diff --git a/.changeset/rare-teachers-search.md b/.changeset/rare-teachers-search.md
new file mode 100644
index 00000000..0ebd2c19
--- /dev/null
+++ b/.changeset/rare-teachers-search.md
@@ -0,0 +1,5 @@
+---
+"svelte-eslint-parser": minor
+---
+
+feat: add support for `$derived.by` type
diff --git a/src/parser/typescript/analyze/index.ts b/src/parser/typescript/analyze/index.ts
index 5ad20be8..52700c85 100644
--- a/src/parser/typescript/analyze/index.ts
+++ b/src/parser/typescript/analyze/index.ts
@@ -328,6 +328,9 @@ function analyzeRuneVariables(
         appendDeclareFunctionVirtualScripts(globalName, [
           "<T>(expression: T): T",
         ]);
+        appendDeclareNamespaceVirtualScripts(globalName, [
+          "export function by<T>(fn: () => T): T;",
+        ]);
         break;
       }
       case "$effect": {
diff --git a/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-input.svelte b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-input.svelte
new file mode 100644
index 00000000..c3552989
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-input.svelte
@@ -0,0 +1,14 @@
+<script>
+	let numbers = $state([1, 2, 3]);
+	let total = $derived.by(() => {
+		let total = 0;
+		for (const n of numbers) {
+			total += n;
+		}
+		return total;
+	});
+</script>
+
+<button on:click={() => numbers.push(numbers.length + 1)}>
+	{numbers.join(' + ')} = {total}
+</button>
diff --git a/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-output.json b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-output.json
new file mode 100644
index 00000000..8c3bb93d
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-output.json
@@ -0,0 +1,3047 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "SvelteScriptElement",
+      "name": {
+        "type": "SvelteName",
+        "name": "script",
+        "range": [
+          1,
+          7
+        ],
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 1
+          },
+          "end": {
+            "line": 1,
+            "column": 7
+          }
+        }
+      },
+      "startTag": {
+        "type": "SvelteStartTag",
+        "attributes": [],
+        "selfClosing": false,
+        "range": [
+          0,
+          8
+        ],
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 8
+          }
+        }
+      },
+      "body": [
+        {
+          "type": "VariableDeclaration",
+          "kind": "let",
+          "declarations": [
+            {
+              "type": "VariableDeclarator",
+              "id": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              },
+              "init": {
+                "type": "CallExpression",
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "raw": "1",
+                        "value": 1,
+                        "range": [
+                          32,
+                          33
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 2,
+                            "column": 23
+                          },
+                          "end": {
+                            "line": 2,
+                            "column": 24
+                          }
+                        }
+                      },
+                      {
+                        "type": "Literal",
+                        "raw": "2",
+                        "value": 2,
+                        "range": [
+                          35,
+                          36
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 2,
+                            "column": 26
+                          },
+                          "end": {
+                            "line": 2,
+                            "column": 27
+                          }
+                        }
+                      },
+                      {
+                        "type": "Literal",
+                        "raw": "3",
+                        "value": 3,
+                        "range": [
+                          38,
+                          39
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 2,
+                            "column": 29
+                          },
+                          "end": {
+                            "line": 2,
+                            "column": 30
+                          }
+                        }
+                      }
+                    ],
+                    "range": [
+                      31,
+                      40
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 22
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 31
+                      }
+                    }
+                  }
+                ],
+                "callee": {
+                  "type": "Identifier",
+                  "name": "$state",
+                  "range": [
+                    24,
+                    30
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 15
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 21
+                    }
+                  }
+                },
+                "optional": false,
+                "range": [
+                  24,
+                  41
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 15
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 32
+                  }
+                }
+              },
+              "range": [
+                14,
+                41
+              ],
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 5
+                },
+                "end": {
+                  "line": 2,
+                  "column": 32
+                }
+              }
+            }
+          ],
+          "range": [
+            10,
+            42
+          ],
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 1
+            },
+            "end": {
+              "line": 2,
+              "column": 33
+            }
+          }
+        },
+        {
+          "type": "VariableDeclaration",
+          "kind": "let",
+          "declarations": [
+            {
+              "type": "VariableDeclarator",
+              "id": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  48,
+                  53
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 10
+                  }
+                }
+              },
+              "init": {
+                "type": "CallExpression",
+                "arguments": [
+                  {
+                    "type": "ArrowFunctionExpression",
+                    "async": false,
+                    "body": {
+                      "type": "BlockStatement",
+                      "body": [
+                        {
+                          "type": "VariableDeclaration",
+                          "kind": "let",
+                          "declarations": [
+                            {
+                              "type": "VariableDeclarator",
+                              "id": {
+                                "type": "Identifier",
+                                "name": "total",
+                                "range": [
+                                  82,
+                                  87
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 4,
+                                    "column": 6
+                                  },
+                                  "end": {
+                                    "line": 4,
+                                    "column": 11
+                                  }
+                                }
+                              },
+                              "init": {
+                                "type": "Literal",
+                                "raw": "0",
+                                "value": 0,
+                                "range": [
+                                  90,
+                                  91
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 4,
+                                    "column": 14
+                                  },
+                                  "end": {
+                                    "line": 4,
+                                    "column": 15
+                                  }
+                                }
+                              },
+                              "range": [
+                                82,
+                                91
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 4,
+                                  "column": 6
+                                },
+                                "end": {
+                                  "line": 4,
+                                  "column": 15
+                                }
+                              }
+                            }
+                          ],
+                          "range": [
+                            78,
+                            92
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 4,
+                              "column": 2
+                            },
+                            "end": {
+                              "line": 4,
+                              "column": 16
+                            }
+                          }
+                        },
+                        {
+                          "type": "ForOfStatement",
+                          "await": false,
+                          "body": {
+                            "type": "BlockStatement",
+                            "body": [
+                              {
+                                "type": "ExpressionStatement",
+                                "expression": {
+                                  "type": "AssignmentExpression",
+                                  "left": {
+                                    "type": "Identifier",
+                                    "name": "total",
+                                    "range": [
+                                      125,
+                                      130
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 6,
+                                        "column": 3
+                                      },
+                                      "end": {
+                                        "line": 6,
+                                        "column": 8
+                                      }
+                                    }
+                                  },
+                                  "operator": "+=",
+                                  "right": {
+                                    "type": "Identifier",
+                                    "name": "n",
+                                    "range": [
+                                      134,
+                                      135
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 6,
+                                        "column": 12
+                                      },
+                                      "end": {
+                                        "line": 6,
+                                        "column": 13
+                                      }
+                                    }
+                                  },
+                                  "range": [
+                                    125,
+                                    135
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 6,
+                                      "column": 3
+                                    },
+                                    "end": {
+                                      "line": 6,
+                                      "column": 13
+                                    }
+                                  }
+                                },
+                                "range": [
+                                  125,
+                                  136
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 6,
+                                    "column": 3
+                                  },
+                                  "end": {
+                                    "line": 6,
+                                    "column": 14
+                                  }
+                                }
+                              }
+                            ],
+                            "range": [
+                              120,
+                              140
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 27
+                              },
+                              "end": {
+                                "line": 7,
+                                "column": 3
+                              }
+                            }
+                          },
+                          "left": {
+                            "type": "VariableDeclaration",
+                            "kind": "const",
+                            "declarations": [
+                              {
+                                "type": "VariableDeclarator",
+                                "id": {
+                                  "type": "Identifier",
+                                  "name": "n",
+                                  "range": [
+                                    106,
+                                    107
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 5,
+                                      "column": 13
+                                    },
+                                    "end": {
+                                      "line": 5,
+                                      "column": 14
+                                    }
+                                  }
+                                },
+                                "init": null,
+                                "range": [
+                                  106,
+                                  107
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 5,
+                                    "column": 13
+                                  },
+                                  "end": {
+                                    "line": 5,
+                                    "column": 14
+                                  }
+                                }
+                              }
+                            ],
+                            "range": [
+                              100,
+                              107
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 7
+                              },
+                              "end": {
+                                "line": 5,
+                                "column": 14
+                              }
+                            }
+                          },
+                          "right": {
+                            "type": "Identifier",
+                            "name": "numbers",
+                            "range": [
+                              111,
+                              118
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 18
+                              },
+                              "end": {
+                                "line": 5,
+                                "column": 25
+                              }
+                            }
+                          },
+                          "range": [
+                            95,
+                            140
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 5,
+                              "column": 2
+                            },
+                            "end": {
+                              "line": 7,
+                              "column": 3
+                            }
+                          }
+                        },
+                        {
+                          "type": "ReturnStatement",
+                          "argument": {
+                            "type": "Identifier",
+                            "name": "total",
+                            "range": [
+                              150,
+                              155
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 8,
+                                "column": 9
+                              },
+                              "end": {
+                                "line": 8,
+                                "column": 14
+                              }
+                            }
+                          },
+                          "range": [
+                            143,
+                            156
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 8,
+                              "column": 2
+                            },
+                            "end": {
+                              "line": 8,
+                              "column": 15
+                            }
+                          }
+                        }
+                      ],
+                      "range": [
+                        74,
+                        159
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 31
+                        },
+                        "end": {
+                          "line": 9,
+                          "column": 2
+                        }
+                      }
+                    },
+                    "expression": false,
+                    "generator": false,
+                    "id": null,
+                    "params": [],
+                    "range": [
+                      68,
+                      159
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 25
+                      },
+                      "end": {
+                        "line": 9,
+                        "column": 2
+                      }
+                    }
+                  }
+                ],
+                "callee": {
+                  "type": "MemberExpression",
+                  "computed": false,
+                  "object": {
+                    "type": "Identifier",
+                    "name": "$derived",
+                    "range": [
+                      56,
+                      64
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 13
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 21
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "property": {
+                    "type": "Identifier",
+                    "name": "by",
+                    "range": [
+                      65,
+                      67
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 22
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 24
+                      }
+                    }
+                  },
+                  "range": [
+                    56,
+                    67
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 13
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 24
+                    }
+                  }
+                },
+                "optional": false,
+                "range": [
+                  56,
+                  160
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 13
+                  },
+                  "end": {
+                    "line": 9,
+                    "column": 3
+                  }
+                }
+              },
+              "range": [
+                48,
+                160
+              ],
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 5
+                },
+                "end": {
+                  "line": 9,
+                  "column": 3
+                }
+              }
+            }
+          ],
+          "range": [
+            44,
+            161
+          ],
+          "loc": {
+            "start": {
+              "line": 3,
+              "column": 1
+            },
+            "end": {
+              "line": 9,
+              "column": 4
+            }
+          }
+        }
+      ],
+      "endTag": {
+        "type": "SvelteEndTag",
+        "range": [
+          162,
+          171
+        ],
+        "loc": {
+          "start": {
+            "line": 10,
+            "column": 0
+          },
+          "end": {
+            "line": 10,
+            "column": 9
+          }
+        }
+      },
+      "range": [
+        0,
+        171
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 10,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "SvelteText",
+      "value": "\n\n",
+      "range": [
+        171,
+        173
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 9
+        },
+        "end": {
+          "line": 12,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "SvelteElement",
+      "kind": "html",
+      "name": {
+        "type": "SvelteName",
+        "name": "button",
+        "range": [
+          174,
+          180
+        ],
+        "loc": {
+          "start": {
+            "line": 12,
+            "column": 1
+          },
+          "end": {
+            "line": 12,
+            "column": 7
+          }
+        }
+      },
+      "startTag": {
+        "type": "SvelteStartTag",
+        "attributes": [
+          {
+            "type": "SvelteDirective",
+            "kind": "EventHandler",
+            "key": {
+              "type": "SvelteDirectiveKey",
+              "name": {
+                "type": "SvelteName",
+                "name": "click",
+                "range": [
+                  184,
+                  189
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 11
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 16
+                  }
+                }
+              },
+              "modifiers": [],
+              "range": [
+                181,
+                189
+              ],
+              "loc": {
+                "start": {
+                  "line": 12,
+                  "column": 8
+                },
+                "end": {
+                  "line": 12,
+                  "column": 16
+                }
+              }
+            },
+            "expression": {
+              "type": "ArrowFunctionExpression",
+              "async": false,
+              "body": {
+                "type": "CallExpression",
+                "arguments": [
+                  {
+                    "type": "BinaryExpression",
+                    "left": {
+                      "type": "MemberExpression",
+                      "computed": false,
+                      "object": {
+                        "type": "Identifier",
+                        "name": "numbers",
+                        "range": [
+                          210,
+                          217
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 12,
+                            "column": 37
+                          },
+                          "end": {
+                            "line": 12,
+                            "column": 44
+                          }
+                        }
+                      },
+                      "optional": false,
+                      "property": {
+                        "type": "Identifier",
+                        "name": "length",
+                        "range": [
+                          218,
+                          224
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 12,
+                            "column": 45
+                          },
+                          "end": {
+                            "line": 12,
+                            "column": 51
+                          }
+                        }
+                      },
+                      "range": [
+                        210,
+                        224
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 12,
+                          "column": 37
+                        },
+                        "end": {
+                          "line": 12,
+                          "column": 51
+                        }
+                      }
+                    },
+                    "operator": "+",
+                    "right": {
+                      "type": "Literal",
+                      "raw": "1",
+                      "value": 1,
+                      "range": [
+                        227,
+                        228
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 12,
+                          "column": 54
+                        },
+                        "end": {
+                          "line": 12,
+                          "column": 55
+                        }
+                      }
+                    },
+                    "range": [
+                      210,
+                      228
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 12,
+                        "column": 37
+                      },
+                      "end": {
+                        "line": 12,
+                        "column": 55
+                      }
+                    }
+                  }
+                ],
+                "callee": {
+                  "type": "MemberExpression",
+                  "computed": false,
+                  "object": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      197,
+                      204
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 12,
+                        "column": 24
+                      },
+                      "end": {
+                        "line": 12,
+                        "column": 31
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "property": {
+                    "type": "Identifier",
+                    "name": "push",
+                    "range": [
+                      205,
+                      209
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 12,
+                        "column": 32
+                      },
+                      "end": {
+                        "line": 12,
+                        "column": 36
+                      }
+                    }
+                  },
+                  "range": [
+                    197,
+                    209
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 12,
+                      "column": 24
+                    },
+                    "end": {
+                      "line": 12,
+                      "column": 36
+                    }
+                  }
+                },
+                "optional": false,
+                "range": [
+                  197,
+                  229
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 56
+                  }
+                }
+              },
+              "expression": true,
+              "generator": false,
+              "id": null,
+              "params": [],
+              "range": [
+                191,
+                229
+              ],
+              "loc": {
+                "start": {
+                  "line": 12,
+                  "column": 18
+                },
+                "end": {
+                  "line": 12,
+                  "column": 56
+                }
+              }
+            },
+            "range": [
+              181,
+              230
+            ],
+            "loc": {
+              "start": {
+                "line": 12,
+                "column": 8
+              },
+              "end": {
+                "line": 12,
+                "column": 57
+              }
+            }
+          }
+        ],
+        "selfClosing": false,
+        "range": [
+          173,
+          231
+        ],
+        "loc": {
+          "start": {
+            "line": 12,
+            "column": 0
+          },
+          "end": {
+            "line": 12,
+            "column": 58
+          }
+        }
+      },
+      "children": [
+        {
+          "type": "SvelteText",
+          "value": "\n\t",
+          "range": [
+            231,
+            233
+          ],
+          "loc": {
+            "start": {
+              "line": 12,
+              "column": 58
+            },
+            "end": {
+              "line": 13,
+              "column": 1
+            }
+          }
+        },
+        {
+          "type": "SvelteMustacheTag",
+          "kind": "text",
+          "expression": {
+            "type": "CallExpression",
+            "arguments": [
+              {
+                "type": "Literal",
+                "raw": "' + '",
+                "value": " + ",
+                "range": [
+                  247,
+                  252
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 15
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 20
+                  }
+                }
+              }
+            ],
+            "callee": {
+              "type": "MemberExpression",
+              "computed": false,
+              "object": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  234,
+                  241
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 9
+                  }
+                }
+              },
+              "optional": false,
+              "property": {
+                "type": "Identifier",
+                "name": "join",
+                "range": [
+                  242,
+                  246
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 10
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 14
+                  }
+                }
+              },
+              "range": [
+                234,
+                246
+              ],
+              "loc": {
+                "start": {
+                  "line": 13,
+                  "column": 2
+                },
+                "end": {
+                  "line": 13,
+                  "column": 14
+                }
+              }
+            },
+            "optional": false,
+            "range": [
+              234,
+              253
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 2
+              },
+              "end": {
+                "line": 13,
+                "column": 21
+              }
+            }
+          },
+          "range": [
+            233,
+            254
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 1
+            },
+            "end": {
+              "line": 13,
+              "column": 22
+            }
+          }
+        },
+        {
+          "type": "SvelteText",
+          "value": " = ",
+          "range": [
+            254,
+            257
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 22
+            },
+            "end": {
+              "line": 13,
+              "column": 25
+            }
+          }
+        },
+        {
+          "type": "SvelteMustacheTag",
+          "kind": "text",
+          "expression": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              258,
+              263
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 26
+              },
+              "end": {
+                "line": 13,
+                "column": 31
+              }
+            }
+          },
+          "range": [
+            257,
+            264
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 25
+            },
+            "end": {
+              "line": 13,
+              "column": 32
+            }
+          }
+        },
+        {
+          "type": "SvelteText",
+          "value": "\n",
+          "range": [
+            264,
+            265
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 32
+            },
+            "end": {
+              "line": 14,
+              "column": 0
+            }
+          }
+        }
+      ],
+      "endTag": {
+        "type": "SvelteEndTag",
+        "range": [
+          265,
+          274
+        ],
+        "loc": {
+          "start": {
+            "line": 14,
+            "column": 0
+          },
+          "end": {
+            "line": 14,
+            "column": 9
+          }
+        }
+      },
+      "range": [
+        173,
+        274
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 0
+        },
+        "end": {
+          "line": 14,
+          "column": 9
+        }
+      }
+    }
+  ],
+  "sourceType": "module",
+  "comments": [],
+  "tokens": [
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        0,
+        1
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "script",
+      "range": [
+        1,
+        7
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 1
+        },
+        "end": {
+          "line": 1,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        7,
+        8
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 7
+        },
+        "end": {
+          "line": 1,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "let",
+      "range": [
+        10,
+        13
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 1
+        },
+        "end": {
+          "line": 2,
+          "column": 4
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        14,
+        21
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 5
+        },
+        "end": {
+          "line": 2,
+          "column": 12
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        22,
+        23
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 13
+        },
+        "end": {
+          "line": 2,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "$state",
+      "range": [
+        24,
+        30
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 15
+        },
+        "end": {
+          "line": 2,
+          "column": 21
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        30,
+        31
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 21
+        },
+        "end": {
+          "line": 2,
+          "column": 22
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "[",
+      "range": [
+        31,
+        32
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 22
+        },
+        "end": {
+          "line": 2,
+          "column": 23
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "1",
+      "range": [
+        32,
+        33
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 23
+        },
+        "end": {
+          "line": 2,
+          "column": 24
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ",",
+      "range": [
+        33,
+        34
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 24
+        },
+        "end": {
+          "line": 2,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "2",
+      "range": [
+        35,
+        36
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 26
+        },
+        "end": {
+          "line": 2,
+          "column": 27
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ",",
+      "range": [
+        36,
+        37
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 27
+        },
+        "end": {
+          "line": 2,
+          "column": 28
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "3",
+      "range": [
+        38,
+        39
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 29
+        },
+        "end": {
+          "line": 2,
+          "column": 30
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "]",
+      "range": [
+        39,
+        40
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 30
+        },
+        "end": {
+          "line": 2,
+          "column": 31
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        40,
+        41
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 31
+        },
+        "end": {
+          "line": 2,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        41,
+        42
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 32
+        },
+        "end": {
+          "line": 2,
+          "column": 33
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "let",
+      "range": [
+        44,
+        47
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 1
+        },
+        "end": {
+          "line": 3,
+          "column": 4
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        48,
+        53
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 5
+        },
+        "end": {
+          "line": 3,
+          "column": 10
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        54,
+        55
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 11
+        },
+        "end": {
+          "line": 3,
+          "column": 12
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "$derived",
+      "range": [
+        56,
+        64
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 13
+        },
+        "end": {
+          "line": 3,
+          "column": 21
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        64,
+        65
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 21
+        },
+        "end": {
+          "line": 3,
+          "column": 22
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "by",
+      "range": [
+        65,
+        67
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 22
+        },
+        "end": {
+          "line": 3,
+          "column": 24
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        67,
+        68
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 24
+        },
+        "end": {
+          "line": 3,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        68,
+        69
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 25
+        },
+        "end": {
+          "line": 3,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        69,
+        70
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 26
+        },
+        "end": {
+          "line": 3,
+          "column": 27
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=>",
+      "range": [
+        71,
+        73
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 28
+        },
+        "end": {
+          "line": 3,
+          "column": 30
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        74,
+        75
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 31
+        },
+        "end": {
+          "line": 3,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "let",
+      "range": [
+        78,
+        81
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 2
+        },
+        "end": {
+          "line": 4,
+          "column": 5
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        82,
+        87
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 6
+        },
+        "end": {
+          "line": 4,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        88,
+        89
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 12
+        },
+        "end": {
+          "line": 4,
+          "column": 13
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "0",
+      "range": [
+        90,
+        91
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 14
+        },
+        "end": {
+          "line": 4,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        91,
+        92
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 15
+        },
+        "end": {
+          "line": 4,
+          "column": 16
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "for",
+      "range": [
+        95,
+        98
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 2
+        },
+        "end": {
+          "line": 5,
+          "column": 5
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        99,
+        100
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 6
+        },
+        "end": {
+          "line": 5,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "const",
+      "range": [
+        100,
+        105
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 7
+        },
+        "end": {
+          "line": 5,
+          "column": 12
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "n",
+      "range": [
+        106,
+        107
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 13
+        },
+        "end": {
+          "line": 5,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "of",
+      "range": [
+        108,
+        110
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 15
+        },
+        "end": {
+          "line": 5,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        111,
+        118
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 18
+        },
+        "end": {
+          "line": 5,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        118,
+        119
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 25
+        },
+        "end": {
+          "line": 5,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        120,
+        121
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 27
+        },
+        "end": {
+          "line": 5,
+          "column": 28
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        125,
+        130
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 3
+        },
+        "end": {
+          "line": 6,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "+=",
+      "range": [
+        131,
+        133
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 9
+        },
+        "end": {
+          "line": 6,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "n",
+      "range": [
+        134,
+        135
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 12
+        },
+        "end": {
+          "line": 6,
+          "column": 13
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        135,
+        136
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 13
+        },
+        "end": {
+          "line": 6,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        139,
+        140
+      ],
+      "loc": {
+        "start": {
+          "line": 7,
+          "column": 2
+        },
+        "end": {
+          "line": 7,
+          "column": 3
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "return",
+      "range": [
+        143,
+        149
+      ],
+      "loc": {
+        "start": {
+          "line": 8,
+          "column": 2
+        },
+        "end": {
+          "line": 8,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        150,
+        155
+      ],
+      "loc": {
+        "start": {
+          "line": 8,
+          "column": 9
+        },
+        "end": {
+          "line": 8,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        155,
+        156
+      ],
+      "loc": {
+        "start": {
+          "line": 8,
+          "column": 14
+        },
+        "end": {
+          "line": 8,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        158,
+        159
+      ],
+      "loc": {
+        "start": {
+          "line": 9,
+          "column": 1
+        },
+        "end": {
+          "line": 9,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        159,
+        160
+      ],
+      "loc": {
+        "start": {
+          "line": 9,
+          "column": 2
+        },
+        "end": {
+          "line": 9,
+          "column": 3
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        160,
+        161
+      ],
+      "loc": {
+        "start": {
+          "line": 9,
+          "column": 3
+        },
+        "end": {
+          "line": 9,
+          "column": 4
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        162,
+        163
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 0
+        },
+        "end": {
+          "line": 10,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "/",
+      "range": [
+        163,
+        164
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 1
+        },
+        "end": {
+          "line": 10,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "script",
+      "range": [
+        164,
+        170
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 2
+        },
+        "end": {
+          "line": 10,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        170,
+        171
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 8
+        },
+        "end": {
+          "line": 10,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n\n",
+      "range": [
+        171,
+        173
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 9
+        },
+        "end": {
+          "line": 12,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        173,
+        174
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 0
+        },
+        "end": {
+          "line": 12,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "button",
+      "range": [
+        174,
+        180
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 1
+        },
+        "end": {
+          "line": 12,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "on",
+      "range": [
+        181,
+        183
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 8
+        },
+        "end": {
+          "line": 12,
+          "column": 10
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ":",
+      "range": [
+        183,
+        184
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 10
+        },
+        "end": {
+          "line": 12,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "click",
+      "range": [
+        184,
+        189
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 11
+        },
+        "end": {
+          "line": 12,
+          "column": 16
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        189,
+        190
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 16
+        },
+        "end": {
+          "line": 12,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        190,
+        191
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 17
+        },
+        "end": {
+          "line": 12,
+          "column": 18
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        191,
+        192
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 18
+        },
+        "end": {
+          "line": 12,
+          "column": 19
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        192,
+        193
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 19
+        },
+        "end": {
+          "line": 12,
+          "column": 20
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=>",
+      "range": [
+        194,
+        196
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 21
+        },
+        "end": {
+          "line": 12,
+          "column": 23
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        197,
+        204
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 24
+        },
+        "end": {
+          "line": 12,
+          "column": 31
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        204,
+        205
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 31
+        },
+        "end": {
+          "line": 12,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "push",
+      "range": [
+        205,
+        209
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 32
+        },
+        "end": {
+          "line": 12,
+          "column": 36
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        209,
+        210
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 36
+        },
+        "end": {
+          "line": 12,
+          "column": 37
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        210,
+        217
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 37
+        },
+        "end": {
+          "line": 12,
+          "column": 44
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        217,
+        218
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 44
+        },
+        "end": {
+          "line": 12,
+          "column": 45
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "length",
+      "range": [
+        218,
+        224
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 45
+        },
+        "end": {
+          "line": 12,
+          "column": 51
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "+",
+      "range": [
+        225,
+        226
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 52
+        },
+        "end": {
+          "line": 12,
+          "column": 53
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "1",
+      "range": [
+        227,
+        228
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 54
+        },
+        "end": {
+          "line": 12,
+          "column": 55
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        228,
+        229
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 55
+        },
+        "end": {
+          "line": 12,
+          "column": 56
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        229,
+        230
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 56
+        },
+        "end": {
+          "line": 12,
+          "column": 57
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        230,
+        231
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 57
+        },
+        "end": {
+          "line": 12,
+          "column": 58
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n\t",
+      "range": [
+        231,
+        233
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 58
+        },
+        "end": {
+          "line": 13,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        233,
+        234
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 1
+        },
+        "end": {
+          "line": 13,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        234,
+        241
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 2
+        },
+        "end": {
+          "line": 13,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        241,
+        242
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 9
+        },
+        "end": {
+          "line": 13,
+          "column": 10
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "join",
+      "range": [
+        242,
+        246
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 10
+        },
+        "end": {
+          "line": 13,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        246,
+        247
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 14
+        },
+        "end": {
+          "line": 13,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "String",
+      "value": "' + '",
+      "range": [
+        247,
+        252
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 15
+        },
+        "end": {
+          "line": 13,
+          "column": 20
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        252,
+        253
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 20
+        },
+        "end": {
+          "line": 13,
+          "column": 21
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        253,
+        254
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 21
+        },
+        "end": {
+          "line": 13,
+          "column": 22
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": " ",
+      "range": [
+        254,
+        255
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 22
+        },
+        "end": {
+          "line": 13,
+          "column": 23
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "=",
+      "range": [
+        255,
+        256
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 23
+        },
+        "end": {
+          "line": 13,
+          "column": 24
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": " ",
+      "range": [
+        256,
+        257
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 24
+        },
+        "end": {
+          "line": 13,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        257,
+        258
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 25
+        },
+        "end": {
+          "line": 13,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        258,
+        263
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 26
+        },
+        "end": {
+          "line": 13,
+          "column": 31
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        263,
+        264
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 31
+        },
+        "end": {
+          "line": 13,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n",
+      "range": [
+        264,
+        265
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 32
+        },
+        "end": {
+          "line": 14,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        265,
+        266
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 0
+        },
+        "end": {
+          "line": 14,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "/",
+      "range": [
+        266,
+        267
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 1
+        },
+        "end": {
+          "line": 14,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "button",
+      "range": [
+        267,
+        273
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 2
+        },
+        "end": {
+          "line": 14,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        273,
+        274
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 8
+        },
+        "end": {
+          "line": 14,
+          "column": 9
+        }
+      }
+    }
+  ],
+  "range": [
+    0,
+    275
+  ],
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 15,
+      "column": 0
+    }
+  }
+}
\ No newline at end of file
diff --git a/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-prefer-const-result.json b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-prefer-const-result.json
new file mode 100644
index 00000000..90791a09
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-prefer-const-result.json
@@ -0,0 +1,14 @@
+[
+  {
+    "ruleId": "prefer-const",
+    "code": "numbers",
+    "line": 2,
+    "column": 6
+  },
+  {
+    "ruleId": "prefer-const",
+    "code": "total",
+    "line": 3,
+    "column": 6
+  }
+]
\ No newline at end of file
diff --git a/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-scope-output.json b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-scope-output.json
new file mode 100644
index 00000000..75ed1aa4
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/docs/runes/02-2-$derived-by-scope-output.json
@@ -0,0 +1,2361 @@
+{
+  "type": "global",
+  "variables": [
+    {
+      "name": "$$slots",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$$props",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$$restProps",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$state",
+      "identifiers": [],
+      "defs": [],
+      "references": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$state",
+            "range": [
+              24,
+              30
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 15
+              },
+              "end": {
+                "line": 2,
+                "column": 21
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        }
+      ]
+    },
+    {
+      "name": "$derived",
+      "identifiers": [],
+      "defs": [],
+      "references": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$derived",
+            "range": [
+              56,
+              64
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 13
+              },
+              "end": {
+                "line": 3,
+                "column": 21
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        }
+      ]
+    },
+    {
+      "name": "$effect",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$props",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$inspect",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    }
+  ],
+  "references": [],
+  "childScopes": [
+    {
+      "type": "module",
+      "variables": [
+        {
+          "name": "numbers",
+          "identifiers": [
+            {
+              "type": "Identifier",
+              "name": "numbers",
+              "range": [
+                14,
+                21
+              ],
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 5
+                },
+                "end": {
+                  "line": 2,
+                  "column": 12
+                }
+              }
+            }
+          ],
+          "defs": [
+            {
+              "type": "Variable",
+              "name": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              },
+              "node": {
+                "type": "VariableDeclarator",
+                "id": {
+                  "type": "Identifier",
+                  "name": "numbers",
+                  "range": [
+                    14,
+                    21
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 5
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 12
+                    }
+                  }
+                },
+                "init": {
+                  "type": "CallExpression",
+                  "arguments": [
+                    {
+                      "type": "ArrayExpression",
+                      "elements": [
+                        {
+                          "type": "Literal",
+                          "raw": "1",
+                          "value": 1,
+                          "range": [
+                            32,
+                            33
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 2,
+                              "column": 23
+                            },
+                            "end": {
+                              "line": 2,
+                              "column": 24
+                            }
+                          }
+                        },
+                        {
+                          "type": "Literal",
+                          "raw": "2",
+                          "value": 2,
+                          "range": [
+                            35,
+                            36
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 2,
+                              "column": 26
+                            },
+                            "end": {
+                              "line": 2,
+                              "column": 27
+                            }
+                          }
+                        },
+                        {
+                          "type": "Literal",
+                          "raw": "3",
+                          "value": 3,
+                          "range": [
+                            38,
+                            39
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 2,
+                              "column": 29
+                            },
+                            "end": {
+                              "line": 2,
+                              "column": 30
+                            }
+                          }
+                        }
+                      ],
+                      "range": [
+                        31,
+                        40
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 2,
+                          "column": 22
+                        },
+                        "end": {
+                          "line": 2,
+                          "column": 31
+                        }
+                      }
+                    }
+                  ],
+                  "callee": {
+                    "type": "Identifier",
+                    "name": "$state",
+                    "range": [
+                      24,
+                      30
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 15
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 21
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "range": [
+                    24,
+                    41
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 15
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 32
+                    }
+                  }
+                },
+                "range": [
+                  14,
+                  41
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 32
+                  }
+                }
+              }
+            }
+          ],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              },
+              "from": "module",
+              "init": true,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  111,
+                  118
+                ],
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 18
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 25
+                  }
+                }
+              },
+              "from": "for",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  197,
+                  204
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  210,
+                  217
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 37
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 44
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  234,
+                  241
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 9
+                  }
+                }
+              },
+              "from": "module",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            }
+          ]
+        },
+        {
+          "name": "total",
+          "identifiers": [
+            {
+              "type": "Identifier",
+              "name": "total",
+              "range": [
+                48,
+                53
+              ],
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 5
+                },
+                "end": {
+                  "line": 3,
+                  "column": 10
+                }
+              }
+            }
+          ],
+          "defs": [
+            {
+              "type": "Variable",
+              "name": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  48,
+                  53
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 10
+                  }
+                }
+              },
+              "node": {
+                "type": "VariableDeclarator",
+                "id": {
+                  "type": "Identifier",
+                  "name": "total",
+                  "range": [
+                    48,
+                    53
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 5
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 10
+                    }
+                  }
+                },
+                "init": {
+                  "type": "CallExpression",
+                  "arguments": [
+                    {
+                      "type": "ArrowFunctionExpression",
+                      "async": false,
+                      "body": {
+                        "type": "BlockStatement",
+                        "body": [
+                          {
+                            "type": "VariableDeclaration",
+                            "kind": "let",
+                            "declarations": [
+                              {
+                                "type": "VariableDeclarator",
+                                "id": {
+                                  "type": "Identifier",
+                                  "name": "total",
+                                  "range": [
+                                    82,
+                                    87
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 4,
+                                      "column": 6
+                                    },
+                                    "end": {
+                                      "line": 4,
+                                      "column": 11
+                                    }
+                                  }
+                                },
+                                "init": {
+                                  "type": "Literal",
+                                  "raw": "0",
+                                  "value": 0,
+                                  "range": [
+                                    90,
+                                    91
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 4,
+                                      "column": 14
+                                    },
+                                    "end": {
+                                      "line": 4,
+                                      "column": 15
+                                    }
+                                  }
+                                },
+                                "range": [
+                                  82,
+                                  91
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 4,
+                                    "column": 6
+                                  },
+                                  "end": {
+                                    "line": 4,
+                                    "column": 15
+                                  }
+                                }
+                              }
+                            ],
+                            "range": [
+                              78,
+                              92
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 4,
+                                "column": 2
+                              },
+                              "end": {
+                                "line": 4,
+                                "column": 16
+                              }
+                            }
+                          },
+                          {
+                            "type": "ForOfStatement",
+                            "await": false,
+                            "body": {
+                              "type": "BlockStatement",
+                              "body": [
+                                {
+                                  "type": "ExpressionStatement",
+                                  "expression": {
+                                    "type": "AssignmentExpression",
+                                    "left": {
+                                      "type": "Identifier",
+                                      "name": "total",
+                                      "range": [
+                                        125,
+                                        130
+                                      ],
+                                      "loc": {
+                                        "start": {
+                                          "line": 6,
+                                          "column": 3
+                                        },
+                                        "end": {
+                                          "line": 6,
+                                          "column": 8
+                                        }
+                                      }
+                                    },
+                                    "operator": "+=",
+                                    "right": {
+                                      "type": "Identifier",
+                                      "name": "n",
+                                      "range": [
+                                        134,
+                                        135
+                                      ],
+                                      "loc": {
+                                        "start": {
+                                          "line": 6,
+                                          "column": 12
+                                        },
+                                        "end": {
+                                          "line": 6,
+                                          "column": 13
+                                        }
+                                      }
+                                    },
+                                    "range": [
+                                      125,
+                                      135
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 6,
+                                        "column": 3
+                                      },
+                                      "end": {
+                                        "line": 6,
+                                        "column": 13
+                                      }
+                                    }
+                                  },
+                                  "range": [
+                                    125,
+                                    136
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 6,
+                                      "column": 3
+                                    },
+                                    "end": {
+                                      "line": 6,
+                                      "column": 14
+                                    }
+                                  }
+                                }
+                              ],
+                              "range": [
+                                120,
+                                140
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 5,
+                                  "column": 27
+                                },
+                                "end": {
+                                  "line": 7,
+                                  "column": 3
+                                }
+                              }
+                            },
+                            "left": {
+                              "type": "VariableDeclaration",
+                              "kind": "const",
+                              "declarations": [
+                                {
+                                  "type": "VariableDeclarator",
+                                  "id": {
+                                    "type": "Identifier",
+                                    "name": "n",
+                                    "range": [
+                                      106,
+                                      107
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 5,
+                                        "column": 13
+                                      },
+                                      "end": {
+                                        "line": 5,
+                                        "column": 14
+                                      }
+                                    }
+                                  },
+                                  "init": null,
+                                  "range": [
+                                    106,
+                                    107
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 5,
+                                      "column": 13
+                                    },
+                                    "end": {
+                                      "line": 5,
+                                      "column": 14
+                                    }
+                                  }
+                                }
+                              ],
+                              "range": [
+                                100,
+                                107
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 5,
+                                  "column": 7
+                                },
+                                "end": {
+                                  "line": 5,
+                                  "column": 14
+                                }
+                              }
+                            },
+                            "right": {
+                              "type": "Identifier",
+                              "name": "numbers",
+                              "range": [
+                                111,
+                                118
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 5,
+                                  "column": 18
+                                },
+                                "end": {
+                                  "line": 5,
+                                  "column": 25
+                                }
+                              }
+                            },
+                            "range": [
+                              95,
+                              140
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 2
+                              },
+                              "end": {
+                                "line": 7,
+                                "column": 3
+                              }
+                            }
+                          },
+                          {
+                            "type": "ReturnStatement",
+                            "argument": {
+                              "type": "Identifier",
+                              "name": "total",
+                              "range": [
+                                150,
+                                155
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 8,
+                                  "column": 9
+                                },
+                                "end": {
+                                  "line": 8,
+                                  "column": 14
+                                }
+                              }
+                            },
+                            "range": [
+                              143,
+                              156
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 8,
+                                "column": 2
+                              },
+                              "end": {
+                                "line": 8,
+                                "column": 15
+                              }
+                            }
+                          }
+                        ],
+                        "range": [
+                          74,
+                          159
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 3,
+                            "column": 31
+                          },
+                          "end": {
+                            "line": 9,
+                            "column": 2
+                          }
+                        }
+                      },
+                      "expression": false,
+                      "generator": false,
+                      "id": null,
+                      "params": [],
+                      "range": [
+                        68,
+                        159
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 25
+                        },
+                        "end": {
+                          "line": 9,
+                          "column": 2
+                        }
+                      }
+                    }
+                  ],
+                  "callee": {
+                    "type": "MemberExpression",
+                    "computed": false,
+                    "object": {
+                      "type": "Identifier",
+                      "name": "$derived",
+                      "range": [
+                        56,
+                        64
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 13
+                        },
+                        "end": {
+                          "line": 3,
+                          "column": 21
+                        }
+                      }
+                    },
+                    "optional": false,
+                    "property": {
+                      "type": "Identifier",
+                      "name": "by",
+                      "range": [
+                        65,
+                        67
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 22
+                        },
+                        "end": {
+                          "line": 3,
+                          "column": 24
+                        }
+                      }
+                    },
+                    "range": [
+                      56,
+                      67
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 13
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 24
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "range": [
+                    56,
+                    160
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 13
+                    },
+                    "end": {
+                      "line": 9,
+                      "column": 3
+                    }
+                  }
+                },
+                "range": [
+                  48,
+                  160
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 9,
+                    "column": 3
+                  }
+                }
+              }
+            }
+          ],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  48,
+                  53
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 10
+                  }
+                }
+              },
+              "from": "module",
+              "init": true,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  48,
+                  53
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 10
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  258,
+                  263
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 26
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "module",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  48,
+                  53
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 10
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "references": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              14,
+              21
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 5
+              },
+              "end": {
+                "line": 2,
+                "column": 12
+              }
+            }
+          },
+          "from": "module",
+          "init": true,
+          "resolved": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              14,
+              21
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 5
+              },
+              "end": {
+                "line": 2,
+                "column": 12
+              }
+            }
+          }
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$state",
+            "range": [
+              24,
+              30
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 15
+              },
+              "end": {
+                "line": 2,
+                "column": 21
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              48,
+              53
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 5
+              },
+              "end": {
+                "line": 3,
+                "column": 10
+              }
+            }
+          },
+          "from": "module",
+          "init": true,
+          "resolved": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              48,
+              53
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 5
+              },
+              "end": {
+                "line": 3,
+                "column": 10
+              }
+            }
+          }
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$derived",
+            "range": [
+              56,
+              64
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 13
+              },
+              "end": {
+                "line": 3,
+                "column": 21
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              234,
+              241
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 2
+              },
+              "end": {
+                "line": 13,
+                "column": 9
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              14,
+              21
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 5
+              },
+              "end": {
+                "line": 2,
+                "column": 12
+              }
+            }
+          }
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              258,
+              263
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 26
+              },
+              "end": {
+                "line": 13,
+                "column": 31
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              48,
+              53
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 5
+              },
+              "end": {
+                "line": 3,
+                "column": 10
+              }
+            }
+          }
+        }
+      ],
+      "childScopes": [
+        {
+          "type": "function",
+          "variables": [
+            {
+              "name": "total",
+              "identifiers": [
+                {
+                  "type": "Identifier",
+                  "name": "total",
+                  "range": [
+                    82,
+                    87
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 4,
+                      "column": 6
+                    },
+                    "end": {
+                      "line": 4,
+                      "column": 11
+                    }
+                  }
+                }
+              ],
+              "defs": [
+                {
+                  "type": "Variable",
+                  "name": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      82,
+                      87
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  },
+                  "node": {
+                    "type": "VariableDeclarator",
+                    "id": {
+                      "type": "Identifier",
+                      "name": "total",
+                      "range": [
+                        82,
+                        87
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 4,
+                          "column": 6
+                        },
+                        "end": {
+                          "line": 4,
+                          "column": 11
+                        }
+                      }
+                    },
+                    "init": {
+                      "type": "Literal",
+                      "raw": "0",
+                      "value": 0,
+                      "range": [
+                        90,
+                        91
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 4,
+                          "column": 14
+                        },
+                        "end": {
+                          "line": 4,
+                          "column": 15
+                        }
+                      }
+                    },
+                    "range": [
+                      82,
+                      91
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 15
+                      }
+                    }
+                  }
+                }
+              ],
+              "references": [
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      82,
+                      87
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  },
+                  "from": "function",
+                  "init": true,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      82,
+                      87
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      125,
+                      130
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 6,
+                        "column": 3
+                      },
+                      "end": {
+                        "line": 6,
+                        "column": 8
+                      }
+                    }
+                  },
+                  "from": "block",
+                  "init": false,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      82,
+                      87
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      150,
+                      155
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 8,
+                        "column": 9
+                      },
+                      "end": {
+                        "line": 8,
+                        "column": 14
+                      }
+                    }
+                  },
+                  "from": "function",
+                  "init": null,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      82,
+                      87
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                }
+              ]
+            }
+          ],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  82,
+                  87
+                ],
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 11
+                  }
+                }
+              },
+              "from": "function",
+              "init": true,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  82,
+                  87
+                ],
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 11
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  150,
+                  155
+                ],
+                "loc": {
+                  "start": {
+                    "line": 8,
+                    "column": 9
+                  },
+                  "end": {
+                    "line": 8,
+                    "column": 14
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  82,
+                  87
+                ],
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 11
+                  }
+                }
+              }
+            }
+          ],
+          "childScopes": [
+            {
+              "type": "for",
+              "variables": [
+                {
+                  "name": "n",
+                  "identifiers": [
+                    {
+                      "type": "Identifier",
+                      "name": "n",
+                      "range": [
+                        106,
+                        107
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 5,
+                          "column": 13
+                        },
+                        "end": {
+                          "line": 5,
+                          "column": 14
+                        }
+                      }
+                    }
+                  ],
+                  "defs": [
+                    {
+                      "type": "Variable",
+                      "name": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          106,
+                          107
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      },
+                      "node": {
+                        "type": "VariableDeclarator",
+                        "id": {
+                          "type": "Identifier",
+                          "name": "n",
+                          "range": [
+                            106,
+                            107
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 5,
+                              "column": 13
+                            },
+                            "end": {
+                              "line": 5,
+                              "column": 14
+                            }
+                          }
+                        },
+                        "init": null,
+                        "range": [
+                          106,
+                          107
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ],
+                  "references": [
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          106,
+                          107
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      },
+                      "from": "for",
+                      "init": true,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          106,
+                          107
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    },
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          134,
+                          135
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 12
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 13
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": null,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          106,
+                          107
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ]
+                }
+              ],
+              "references": [
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "n",
+                    "range": [
+                      106,
+                      107
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 13
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 14
+                      }
+                    }
+                  },
+                  "from": "for",
+                  "init": true,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "n",
+                    "range": [
+                      106,
+                      107
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 13
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 14
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      111,
+                      118
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 18
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 25
+                      }
+                    }
+                  },
+                  "from": "for",
+                  "init": null,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      14,
+                      21
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 5
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 12
+                      }
+                    }
+                  }
+                }
+              ],
+              "childScopes": [
+                {
+                  "type": "block",
+                  "variables": [],
+                  "references": [
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          125,
+                          130
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 3
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 8
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": false,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          82,
+                          87
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 4,
+                            "column": 6
+                          },
+                          "end": {
+                            "line": 4,
+                            "column": 11
+                          }
+                        }
+                      }
+                    },
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          134,
+                          135
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 12
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 13
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": null,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          106,
+                          107
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ],
+                  "childScopes": [],
+                  "through": [
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          125,
+                          130
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 3
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 8
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": false,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          82,
+                          87
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 4,
+                            "column": 6
+                          },
+                          "end": {
+                            "line": 4,
+                            "column": 11
+                          }
+                        }
+                      }
+                    },
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          134,
+                          135
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 12
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 13
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": null,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          106,
+                          107
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ]
+                }
+              ],
+              "through": [
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      111,
+                      118
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 18
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 25
+                      }
+                    }
+                  },
+                  "from": "for",
+                  "init": null,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      14,
+                      21
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 5
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 12
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      125,
+                      130
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 6,
+                        "column": 3
+                      },
+                      "end": {
+                        "line": 6,
+                        "column": 8
+                      }
+                    }
+                  },
+                  "from": "block",
+                  "init": false,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      82,
+                      87
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                }
+              ]
+            }
+          ],
+          "through": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  111,
+                  118
+                ],
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 18
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 25
+                  }
+                }
+              },
+              "from": "for",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            }
+          ]
+        },
+        {
+          "type": "function",
+          "variables": [],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  197,
+                  204
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  210,
+                  217
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 37
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 44
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            }
+          ],
+          "childScopes": [],
+          "through": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  197,
+                  204
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  210,
+                  217
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 37
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 44
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  14,
+                  21
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 12
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "through": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$state",
+            "range": [
+              24,
+              30
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 15
+              },
+              "end": {
+                "line": 2,
+                "column": 21
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$derived",
+            "range": [
+              56,
+              64
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 13
+              },
+              "end": {
+                "line": 3,
+                "column": 21
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        }
+      ]
+    }
+  ],
+  "through": []
+}
\ No newline at end of file
diff --git a/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-input.svelte b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-input.svelte
new file mode 100644
index 00000000..c061fb66
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-input.svelte
@@ -0,0 +1,14 @@
+<script lang="ts">
+	const numbers = $state([1, 2, 3]);
+	const total = $derived.by(() => {
+		let total = 0;
+		for (const n of numbers) {
+			total += n;
+		}
+		return total;
+	});
+</script>
+
+<button on:click={() => numbers.push(numbers.length + 1)}>
+	{numbers.join(' + ')} = {total}
+</button>
diff --git a/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-output.json b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-output.json
new file mode 100644
index 00000000..941ab0a4
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-output.json
@@ -0,0 +1,3194 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "SvelteScriptElement",
+      "name": {
+        "type": "SvelteName",
+        "name": "script",
+        "range": [
+          1,
+          7
+        ],
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 1
+          },
+          "end": {
+            "line": 1,
+            "column": 7
+          }
+        }
+      },
+      "startTag": {
+        "type": "SvelteStartTag",
+        "attributes": [
+          {
+            "type": "SvelteAttribute",
+            "key": {
+              "type": "SvelteName",
+              "name": "lang",
+              "range": [
+                8,
+                12
+              ],
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 8
+                },
+                "end": {
+                  "line": 1,
+                  "column": 12
+                }
+              }
+            },
+            "boolean": false,
+            "value": [
+              {
+                "type": "SvelteLiteral",
+                "value": "ts",
+                "range": [
+                  14,
+                  16
+                ],
+                "loc": {
+                  "start": {
+                    "line": 1,
+                    "column": 14
+                  },
+                  "end": {
+                    "line": 1,
+                    "column": 16
+                  }
+                }
+              }
+            ],
+            "range": [
+              8,
+              17
+            ],
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 8
+              },
+              "end": {
+                "line": 1,
+                "column": 17
+              }
+            }
+          }
+        ],
+        "selfClosing": false,
+        "range": [
+          0,
+          18
+        ],
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 18
+          }
+        }
+      },
+      "body": [
+        {
+          "type": "VariableDeclaration",
+          "kind": "const",
+          "declarations": [
+            {
+              "type": "VariableDeclarator",
+              "id": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              },
+              "init": {
+                "type": "CallExpression",
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "raw": "1",
+                        "value": 1,
+                        "range": [
+                          44,
+                          45
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 2,
+                            "column": 25
+                          },
+                          "end": {
+                            "line": 2,
+                            "column": 26
+                          }
+                        }
+                      },
+                      {
+                        "type": "Literal",
+                        "raw": "2",
+                        "value": 2,
+                        "range": [
+                          47,
+                          48
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 2,
+                            "column": 28
+                          },
+                          "end": {
+                            "line": 2,
+                            "column": 29
+                          }
+                        }
+                      },
+                      {
+                        "type": "Literal",
+                        "raw": "3",
+                        "value": 3,
+                        "range": [
+                          50,
+                          51
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 2,
+                            "column": 31
+                          },
+                          "end": {
+                            "line": 2,
+                            "column": 32
+                          }
+                        }
+                      }
+                    ],
+                    "range": [
+                      43,
+                      52
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 24
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 33
+                      }
+                    }
+                  }
+                ],
+                "callee": {
+                  "type": "Identifier",
+                  "name": "$state",
+                  "range": [
+                    36,
+                    42
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 17
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 23
+                    }
+                  }
+                },
+                "optional": false,
+                "range": [
+                  36,
+                  53
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 17
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 34
+                  }
+                }
+              },
+              "range": [
+                26,
+                53
+              ],
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 7
+                },
+                "end": {
+                  "line": 2,
+                  "column": 34
+                }
+              }
+            }
+          ],
+          "range": [
+            20,
+            54
+          ],
+          "loc": {
+            "start": {
+              "line": 2,
+              "column": 1
+            },
+            "end": {
+              "line": 2,
+              "column": 35
+            }
+          }
+        },
+        {
+          "type": "VariableDeclaration",
+          "kind": "const",
+          "declarations": [
+            {
+              "type": "VariableDeclarator",
+              "id": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  62,
+                  67
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 12
+                  }
+                }
+              },
+              "init": {
+                "type": "CallExpression",
+                "arguments": [
+                  {
+                    "type": "ArrowFunctionExpression",
+                    "async": false,
+                    "body": {
+                      "type": "BlockStatement",
+                      "body": [
+                        {
+                          "type": "VariableDeclaration",
+                          "kind": "let",
+                          "declarations": [
+                            {
+                              "type": "VariableDeclarator",
+                              "id": {
+                                "type": "Identifier",
+                                "name": "total",
+                                "range": [
+                                  96,
+                                  101
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 4,
+                                    "column": 6
+                                  },
+                                  "end": {
+                                    "line": 4,
+                                    "column": 11
+                                  }
+                                }
+                              },
+                              "init": {
+                                "type": "Literal",
+                                "raw": "0",
+                                "value": 0,
+                                "range": [
+                                  104,
+                                  105
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 4,
+                                    "column": 14
+                                  },
+                                  "end": {
+                                    "line": 4,
+                                    "column": 15
+                                  }
+                                }
+                              },
+                              "range": [
+                                96,
+                                105
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 4,
+                                  "column": 6
+                                },
+                                "end": {
+                                  "line": 4,
+                                  "column": 15
+                                }
+                              }
+                            }
+                          ],
+                          "range": [
+                            92,
+                            106
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 4,
+                              "column": 2
+                            },
+                            "end": {
+                              "line": 4,
+                              "column": 16
+                            }
+                          }
+                        },
+                        {
+                          "type": "ForOfStatement",
+                          "await": false,
+                          "body": {
+                            "type": "BlockStatement",
+                            "body": [
+                              {
+                                "type": "ExpressionStatement",
+                                "expression": {
+                                  "type": "AssignmentExpression",
+                                  "left": {
+                                    "type": "Identifier",
+                                    "name": "total",
+                                    "range": [
+                                      139,
+                                      144
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 6,
+                                        "column": 3
+                                      },
+                                      "end": {
+                                        "line": 6,
+                                        "column": 8
+                                      }
+                                    }
+                                  },
+                                  "operator": "+=",
+                                  "right": {
+                                    "type": "Identifier",
+                                    "name": "n",
+                                    "range": [
+                                      148,
+                                      149
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 6,
+                                        "column": 12
+                                      },
+                                      "end": {
+                                        "line": 6,
+                                        "column": 13
+                                      }
+                                    }
+                                  },
+                                  "range": [
+                                    139,
+                                    149
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 6,
+                                      "column": 3
+                                    },
+                                    "end": {
+                                      "line": 6,
+                                      "column": 13
+                                    }
+                                  }
+                                },
+                                "range": [
+                                  139,
+                                  150
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 6,
+                                    "column": 3
+                                  },
+                                  "end": {
+                                    "line": 6,
+                                    "column": 14
+                                  }
+                                }
+                              }
+                            ],
+                            "range": [
+                              134,
+                              154
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 27
+                              },
+                              "end": {
+                                "line": 7,
+                                "column": 3
+                              }
+                            }
+                          },
+                          "left": {
+                            "type": "VariableDeclaration",
+                            "kind": "const",
+                            "declarations": [
+                              {
+                                "type": "VariableDeclarator",
+                                "id": {
+                                  "type": "Identifier",
+                                  "name": "n",
+                                  "range": [
+                                    120,
+                                    121
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 5,
+                                      "column": 13
+                                    },
+                                    "end": {
+                                      "line": 5,
+                                      "column": 14
+                                    }
+                                  }
+                                },
+                                "init": null,
+                                "range": [
+                                  120,
+                                  121
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 5,
+                                    "column": 13
+                                  },
+                                  "end": {
+                                    "line": 5,
+                                    "column": 14
+                                  }
+                                }
+                              }
+                            ],
+                            "range": [
+                              114,
+                              121
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 7
+                              },
+                              "end": {
+                                "line": 5,
+                                "column": 14
+                              }
+                            }
+                          },
+                          "right": {
+                            "type": "Identifier",
+                            "name": "numbers",
+                            "range": [
+                              125,
+                              132
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 18
+                              },
+                              "end": {
+                                "line": 5,
+                                "column": 25
+                              }
+                            }
+                          },
+                          "range": [
+                            109,
+                            154
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 5,
+                              "column": 2
+                            },
+                            "end": {
+                              "line": 7,
+                              "column": 3
+                            }
+                          }
+                        },
+                        {
+                          "type": "ReturnStatement",
+                          "argument": {
+                            "type": "Identifier",
+                            "name": "total",
+                            "range": [
+                              164,
+                              169
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 8,
+                                "column": 9
+                              },
+                              "end": {
+                                "line": 8,
+                                "column": 14
+                              }
+                            }
+                          },
+                          "range": [
+                            157,
+                            170
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 8,
+                              "column": 2
+                            },
+                            "end": {
+                              "line": 8,
+                              "column": 15
+                            }
+                          }
+                        }
+                      ],
+                      "range": [
+                        88,
+                        173
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 33
+                        },
+                        "end": {
+                          "line": 9,
+                          "column": 2
+                        }
+                      }
+                    },
+                    "expression": false,
+                    "generator": false,
+                    "id": null,
+                    "params": [],
+                    "range": [
+                      82,
+                      173
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 27
+                      },
+                      "end": {
+                        "line": 9,
+                        "column": 2
+                      }
+                    }
+                  }
+                ],
+                "callee": {
+                  "type": "MemberExpression",
+                  "computed": false,
+                  "object": {
+                    "type": "Identifier",
+                    "name": "$derived",
+                    "range": [
+                      70,
+                      78
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 15
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 23
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "property": {
+                    "type": "Identifier",
+                    "name": "by",
+                    "range": [
+                      79,
+                      81
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 24
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 26
+                      }
+                    }
+                  },
+                  "range": [
+                    70,
+                    81
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 15
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 26
+                    }
+                  }
+                },
+                "optional": false,
+                "range": [
+                  70,
+                  174
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 15
+                  },
+                  "end": {
+                    "line": 9,
+                    "column": 3
+                  }
+                }
+              },
+              "range": [
+                62,
+                174
+              ],
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 7
+                },
+                "end": {
+                  "line": 9,
+                  "column": 3
+                }
+              }
+            }
+          ],
+          "range": [
+            56,
+            175
+          ],
+          "loc": {
+            "start": {
+              "line": 3,
+              "column": 1
+            },
+            "end": {
+              "line": 9,
+              "column": 4
+            }
+          }
+        }
+      ],
+      "endTag": {
+        "type": "SvelteEndTag",
+        "range": [
+          176,
+          185
+        ],
+        "loc": {
+          "start": {
+            "line": 10,
+            "column": 0
+          },
+          "end": {
+            "line": 10,
+            "column": 9
+          }
+        }
+      },
+      "range": [
+        0,
+        185
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 10,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "SvelteText",
+      "value": "\n\n",
+      "range": [
+        185,
+        187
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 9
+        },
+        "end": {
+          "line": 12,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "SvelteElement",
+      "kind": "html",
+      "name": {
+        "type": "SvelteName",
+        "name": "button",
+        "range": [
+          188,
+          194
+        ],
+        "loc": {
+          "start": {
+            "line": 12,
+            "column": 1
+          },
+          "end": {
+            "line": 12,
+            "column": 7
+          }
+        }
+      },
+      "startTag": {
+        "type": "SvelteStartTag",
+        "attributes": [
+          {
+            "type": "SvelteDirective",
+            "kind": "EventHandler",
+            "key": {
+              "type": "SvelteDirectiveKey",
+              "name": {
+                "type": "SvelteName",
+                "name": "click",
+                "range": [
+                  198,
+                  203
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 11
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 16
+                  }
+                }
+              },
+              "modifiers": [],
+              "range": [
+                195,
+                203
+              ],
+              "loc": {
+                "start": {
+                  "line": 12,
+                  "column": 8
+                },
+                "end": {
+                  "line": 12,
+                  "column": 16
+                }
+              }
+            },
+            "expression": {
+              "type": "ArrowFunctionExpression",
+              "async": false,
+              "body": {
+                "type": "CallExpression",
+                "arguments": [
+                  {
+                    "type": "BinaryExpression",
+                    "left": {
+                      "type": "MemberExpression",
+                      "computed": false,
+                      "object": {
+                        "type": "Identifier",
+                        "name": "numbers",
+                        "range": [
+                          224,
+                          231
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 12,
+                            "column": 37
+                          },
+                          "end": {
+                            "line": 12,
+                            "column": 44
+                          }
+                        }
+                      },
+                      "optional": false,
+                      "property": {
+                        "type": "Identifier",
+                        "name": "length",
+                        "range": [
+                          232,
+                          238
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 12,
+                            "column": 45
+                          },
+                          "end": {
+                            "line": 12,
+                            "column": 51
+                          }
+                        }
+                      },
+                      "range": [
+                        224,
+                        238
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 12,
+                          "column": 37
+                        },
+                        "end": {
+                          "line": 12,
+                          "column": 51
+                        }
+                      }
+                    },
+                    "operator": "+",
+                    "right": {
+                      "type": "Literal",
+                      "raw": "1",
+                      "value": 1,
+                      "range": [
+                        241,
+                        242
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 12,
+                          "column": 54
+                        },
+                        "end": {
+                          "line": 12,
+                          "column": 55
+                        }
+                      }
+                    },
+                    "range": [
+                      224,
+                      242
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 12,
+                        "column": 37
+                      },
+                      "end": {
+                        "line": 12,
+                        "column": 55
+                      }
+                    }
+                  }
+                ],
+                "callee": {
+                  "type": "MemberExpression",
+                  "computed": false,
+                  "object": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      211,
+                      218
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 12,
+                        "column": 24
+                      },
+                      "end": {
+                        "line": 12,
+                        "column": 31
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "property": {
+                    "type": "Identifier",
+                    "name": "push",
+                    "range": [
+                      219,
+                      223
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 12,
+                        "column": 32
+                      },
+                      "end": {
+                        "line": 12,
+                        "column": 36
+                      }
+                    }
+                  },
+                  "range": [
+                    211,
+                    223
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 12,
+                      "column": 24
+                    },
+                    "end": {
+                      "line": 12,
+                      "column": 36
+                    }
+                  }
+                },
+                "optional": false,
+                "range": [
+                  211,
+                  243
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 56
+                  }
+                }
+              },
+              "expression": true,
+              "generator": false,
+              "id": null,
+              "params": [],
+              "range": [
+                205,
+                243
+              ],
+              "loc": {
+                "start": {
+                  "line": 12,
+                  "column": 18
+                },
+                "end": {
+                  "line": 12,
+                  "column": 56
+                }
+              }
+            },
+            "range": [
+              195,
+              244
+            ],
+            "loc": {
+              "start": {
+                "line": 12,
+                "column": 8
+              },
+              "end": {
+                "line": 12,
+                "column": 57
+              }
+            }
+          }
+        ],
+        "selfClosing": false,
+        "range": [
+          187,
+          245
+        ],
+        "loc": {
+          "start": {
+            "line": 12,
+            "column": 0
+          },
+          "end": {
+            "line": 12,
+            "column": 58
+          }
+        }
+      },
+      "children": [
+        {
+          "type": "SvelteText",
+          "value": "\n\t",
+          "range": [
+            245,
+            247
+          ],
+          "loc": {
+            "start": {
+              "line": 12,
+              "column": 58
+            },
+            "end": {
+              "line": 13,
+              "column": 1
+            }
+          }
+        },
+        {
+          "type": "SvelteMustacheTag",
+          "kind": "text",
+          "expression": {
+            "type": "CallExpression",
+            "arguments": [
+              {
+                "type": "Literal",
+                "raw": "' + '",
+                "value": " + ",
+                "range": [
+                  261,
+                  266
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 15
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 20
+                  }
+                }
+              }
+            ],
+            "callee": {
+              "type": "MemberExpression",
+              "computed": false,
+              "object": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  248,
+                  255
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 9
+                  }
+                }
+              },
+              "optional": false,
+              "property": {
+                "type": "Identifier",
+                "name": "join",
+                "range": [
+                  256,
+                  260
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 10
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 14
+                  }
+                }
+              },
+              "range": [
+                248,
+                260
+              ],
+              "loc": {
+                "start": {
+                  "line": 13,
+                  "column": 2
+                },
+                "end": {
+                  "line": 13,
+                  "column": 14
+                }
+              }
+            },
+            "optional": false,
+            "range": [
+              248,
+              267
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 2
+              },
+              "end": {
+                "line": 13,
+                "column": 21
+              }
+            }
+          },
+          "range": [
+            247,
+            268
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 1
+            },
+            "end": {
+              "line": 13,
+              "column": 22
+            }
+          }
+        },
+        {
+          "type": "SvelteText",
+          "value": " = ",
+          "range": [
+            268,
+            271
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 22
+            },
+            "end": {
+              "line": 13,
+              "column": 25
+            }
+          }
+        },
+        {
+          "type": "SvelteMustacheTag",
+          "kind": "text",
+          "expression": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              272,
+              277
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 26
+              },
+              "end": {
+                "line": 13,
+                "column": 31
+              }
+            }
+          },
+          "range": [
+            271,
+            278
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 25
+            },
+            "end": {
+              "line": 13,
+              "column": 32
+            }
+          }
+        },
+        {
+          "type": "SvelteText",
+          "value": "\n",
+          "range": [
+            278,
+            279
+          ],
+          "loc": {
+            "start": {
+              "line": 13,
+              "column": 32
+            },
+            "end": {
+              "line": 14,
+              "column": 0
+            }
+          }
+        }
+      ],
+      "endTag": {
+        "type": "SvelteEndTag",
+        "range": [
+          279,
+          288
+        ],
+        "loc": {
+          "start": {
+            "line": 14,
+            "column": 0
+          },
+          "end": {
+            "line": 14,
+            "column": 9
+          }
+        }
+      },
+      "range": [
+        187,
+        288
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 0
+        },
+        "end": {
+          "line": 14,
+          "column": 9
+        }
+      }
+    }
+  ],
+  "sourceType": "module",
+  "comments": [],
+  "tokens": [
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        0,
+        1
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "script",
+      "range": [
+        1,
+        7
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 1
+        },
+        "end": {
+          "line": 1,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "lang",
+      "range": [
+        8,
+        12
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 8
+        },
+        "end": {
+          "line": 1,
+          "column": 12
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        12,
+        13
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 12
+        },
+        "end": {
+          "line": 1,
+          "column": 13
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "\"",
+      "range": [
+        13,
+        14
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 13
+        },
+        "end": {
+          "line": 1,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "ts",
+      "range": [
+        14,
+        16
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 14
+        },
+        "end": {
+          "line": 1,
+          "column": 16
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "\"",
+      "range": [
+        16,
+        17
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 16
+        },
+        "end": {
+          "line": 1,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        17,
+        18
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 17
+        },
+        "end": {
+          "line": 1,
+          "column": 18
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "const",
+      "range": [
+        20,
+        25
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 1
+        },
+        "end": {
+          "line": 2,
+          "column": 6
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        26,
+        33
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 7
+        },
+        "end": {
+          "line": 2,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        34,
+        35
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 15
+        },
+        "end": {
+          "line": 2,
+          "column": 16
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "$state",
+      "range": [
+        36,
+        42
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 17
+        },
+        "end": {
+          "line": 2,
+          "column": 23
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        42,
+        43
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 23
+        },
+        "end": {
+          "line": 2,
+          "column": 24
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "[",
+      "range": [
+        43,
+        44
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 24
+        },
+        "end": {
+          "line": 2,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "1",
+      "range": [
+        44,
+        45
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 25
+        },
+        "end": {
+          "line": 2,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ",",
+      "range": [
+        45,
+        46
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 26
+        },
+        "end": {
+          "line": 2,
+          "column": 27
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "2",
+      "range": [
+        47,
+        48
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 28
+        },
+        "end": {
+          "line": 2,
+          "column": 29
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ",",
+      "range": [
+        48,
+        49
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 29
+        },
+        "end": {
+          "line": 2,
+          "column": 30
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "3",
+      "range": [
+        50,
+        51
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 31
+        },
+        "end": {
+          "line": 2,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "]",
+      "range": [
+        51,
+        52
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 32
+        },
+        "end": {
+          "line": 2,
+          "column": 33
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        52,
+        53
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 33
+        },
+        "end": {
+          "line": 2,
+          "column": 34
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        53,
+        54
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 34
+        },
+        "end": {
+          "line": 2,
+          "column": 35
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "const",
+      "range": [
+        56,
+        61
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 1
+        },
+        "end": {
+          "line": 3,
+          "column": 6
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        62,
+        67
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 7
+        },
+        "end": {
+          "line": 3,
+          "column": 12
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        68,
+        69
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 13
+        },
+        "end": {
+          "line": 3,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "$derived",
+      "range": [
+        70,
+        78
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 15
+        },
+        "end": {
+          "line": 3,
+          "column": 23
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        78,
+        79
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 23
+        },
+        "end": {
+          "line": 3,
+          "column": 24
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "by",
+      "range": [
+        79,
+        81
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 24
+        },
+        "end": {
+          "line": 3,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        81,
+        82
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 26
+        },
+        "end": {
+          "line": 3,
+          "column": 27
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        82,
+        83
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 27
+        },
+        "end": {
+          "line": 3,
+          "column": 28
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        83,
+        84
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 28
+        },
+        "end": {
+          "line": 3,
+          "column": 29
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=>",
+      "range": [
+        85,
+        87
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 30
+        },
+        "end": {
+          "line": 3,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        88,
+        89
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 33
+        },
+        "end": {
+          "line": 3,
+          "column": 34
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "let",
+      "range": [
+        92,
+        95
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 2
+        },
+        "end": {
+          "line": 4,
+          "column": 5
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        96,
+        101
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 6
+        },
+        "end": {
+          "line": 4,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        102,
+        103
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 12
+        },
+        "end": {
+          "line": 4,
+          "column": 13
+        }
+      }
+    },
+    {
+      "type": "Numeric",
+      "value": "0",
+      "range": [
+        104,
+        105
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 14
+        },
+        "end": {
+          "line": 4,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        105,
+        106
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 15
+        },
+        "end": {
+          "line": 4,
+          "column": 16
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "for",
+      "range": [
+        109,
+        112
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 2
+        },
+        "end": {
+          "line": 5,
+          "column": 5
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        113,
+        114
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 6
+        },
+        "end": {
+          "line": 5,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "const",
+      "range": [
+        114,
+        119
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 7
+        },
+        "end": {
+          "line": 5,
+          "column": 12
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "n",
+      "range": [
+        120,
+        121
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 13
+        },
+        "end": {
+          "line": 5,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "of",
+      "range": [
+        122,
+        124
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 15
+        },
+        "end": {
+          "line": 5,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        125,
+        132
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 18
+        },
+        "end": {
+          "line": 5,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        132,
+        133
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 25
+        },
+        "end": {
+          "line": 5,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        134,
+        135
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 27
+        },
+        "end": {
+          "line": 5,
+          "column": 28
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        139,
+        144
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 3
+        },
+        "end": {
+          "line": 6,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "+=",
+      "range": [
+        145,
+        147
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 9
+        },
+        "end": {
+          "line": 6,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "n",
+      "range": [
+        148,
+        149
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 12
+        },
+        "end": {
+          "line": 6,
+          "column": 13
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        149,
+        150
+      ],
+      "loc": {
+        "start": {
+          "line": 6,
+          "column": 13
+        },
+        "end": {
+          "line": 6,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        153,
+        154
+      ],
+      "loc": {
+        "start": {
+          "line": 7,
+          "column": 2
+        },
+        "end": {
+          "line": 7,
+          "column": 3
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "return",
+      "range": [
+        157,
+        163
+      ],
+      "loc": {
+        "start": {
+          "line": 8,
+          "column": 2
+        },
+        "end": {
+          "line": 8,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        164,
+        169
+      ],
+      "loc": {
+        "start": {
+          "line": 8,
+          "column": 9
+        },
+        "end": {
+          "line": 8,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        169,
+        170
+      ],
+      "loc": {
+        "start": {
+          "line": 8,
+          "column": 14
+        },
+        "end": {
+          "line": 8,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        172,
+        173
+      ],
+      "loc": {
+        "start": {
+          "line": 9,
+          "column": 1
+        },
+        "end": {
+          "line": 9,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        173,
+        174
+      ],
+      "loc": {
+        "start": {
+          "line": 9,
+          "column": 2
+        },
+        "end": {
+          "line": 9,
+          "column": 3
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        174,
+        175
+      ],
+      "loc": {
+        "start": {
+          "line": 9,
+          "column": 3
+        },
+        "end": {
+          "line": 9,
+          "column": 4
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        176,
+        177
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 0
+        },
+        "end": {
+          "line": 10,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "/",
+      "range": [
+        177,
+        178
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 1
+        },
+        "end": {
+          "line": 10,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "script",
+      "range": [
+        178,
+        184
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 2
+        },
+        "end": {
+          "line": 10,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        184,
+        185
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 8
+        },
+        "end": {
+          "line": 10,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n\n",
+      "range": [
+        185,
+        187
+      ],
+      "loc": {
+        "start": {
+          "line": 10,
+          "column": 9
+        },
+        "end": {
+          "line": 12,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        187,
+        188
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 0
+        },
+        "end": {
+          "line": 12,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "button",
+      "range": [
+        188,
+        194
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 1
+        },
+        "end": {
+          "line": 12,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "on",
+      "range": [
+        195,
+        197
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 8
+        },
+        "end": {
+          "line": 12,
+          "column": 10
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ":",
+      "range": [
+        197,
+        198
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 10
+        },
+        "end": {
+          "line": 12,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "click",
+      "range": [
+        198,
+        203
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 11
+        },
+        "end": {
+          "line": 12,
+          "column": 16
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        203,
+        204
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 16
+        },
+        "end": {
+          "line": 12,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        204,
+        205
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 17
+        },
+        "end": {
+          "line": 12,
+          "column": 18
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        205,
+        206
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 18
+        },
+        "end": {
+          "line": 12,
+          "column": 19
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        206,
+        207
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 19
+        },
+        "end": {
+          "line": 12,
+          "column": 20
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=>",
+      "range": [
+        208,
+        210
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 21
+        },
+        "end": {
+          "line": 12,
+          "column": 23
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        211,
+        218
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 24
+        },
+        "end": {
+          "line": 12,
+          "column": 31
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        218,
+        219
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 31
+        },
+        "end": {
+          "line": 12,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "push",
+      "range": [
+        219,
+        223
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 32
+        },
+        "end": {
+          "line": 12,
+          "column": 36
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        223,
+        224
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 36
+        },
+        "end": {
+          "line": 12,
+          "column": 37
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        224,
+        231
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 37
+        },
+        "end": {
+          "line": 12,
+          "column": 44
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        231,
+        232
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 44
+        },
+        "end": {
+          "line": 12,
+          "column": 45
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "length",
+      "range": [
+        232,
+        238
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 45
+        },
+        "end": {
+          "line": 12,
+          "column": 51
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "+",
+      "range": [
+        239,
+        240
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 52
+        },
+        "end": {
+          "line": 12,
+          "column": 53
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "1",
+      "range": [
+        241,
+        242
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 54
+        },
+        "end": {
+          "line": 12,
+          "column": 55
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        242,
+        243
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 55
+        },
+        "end": {
+          "line": 12,
+          "column": 56
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        243,
+        244
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 56
+        },
+        "end": {
+          "line": 12,
+          "column": 57
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        244,
+        245
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 57
+        },
+        "end": {
+          "line": 12,
+          "column": 58
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n\t",
+      "range": [
+        245,
+        247
+      ],
+      "loc": {
+        "start": {
+          "line": 12,
+          "column": 58
+        },
+        "end": {
+          "line": 13,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        247,
+        248
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 1
+        },
+        "end": {
+          "line": 13,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "numbers",
+      "range": [
+        248,
+        255
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 2
+        },
+        "end": {
+          "line": 13,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ".",
+      "range": [
+        255,
+        256
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 9
+        },
+        "end": {
+          "line": 13,
+          "column": 10
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "join",
+      "range": [
+        256,
+        260
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 10
+        },
+        "end": {
+          "line": 13,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "(",
+      "range": [
+        260,
+        261
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 14
+        },
+        "end": {
+          "line": 13,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "String",
+      "value": "' + '",
+      "range": [
+        261,
+        266
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 15
+        },
+        "end": {
+          "line": 13,
+          "column": 20
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ")",
+      "range": [
+        266,
+        267
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 20
+        },
+        "end": {
+          "line": 13,
+          "column": 21
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        267,
+        268
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 21
+        },
+        "end": {
+          "line": 13,
+          "column": 22
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": " ",
+      "range": [
+        268,
+        269
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 22
+        },
+        "end": {
+          "line": 13,
+          "column": 23
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "=",
+      "range": [
+        269,
+        270
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 23
+        },
+        "end": {
+          "line": 13,
+          "column": 24
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": " ",
+      "range": [
+        270,
+        271
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 24
+        },
+        "end": {
+          "line": 13,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        271,
+        272
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 25
+        },
+        "end": {
+          "line": 13,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "total",
+      "range": [
+        272,
+        277
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 26
+        },
+        "end": {
+          "line": 13,
+          "column": 31
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        277,
+        278
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 31
+        },
+        "end": {
+          "line": 13,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n",
+      "range": [
+        278,
+        279
+      ],
+      "loc": {
+        "start": {
+          "line": 13,
+          "column": 32
+        },
+        "end": {
+          "line": 14,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        279,
+        280
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 0
+        },
+        "end": {
+          "line": 14,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "/",
+      "range": [
+        280,
+        281
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 1
+        },
+        "end": {
+          "line": 14,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "button",
+      "range": [
+        281,
+        287
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 2
+        },
+        "end": {
+          "line": 14,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        287,
+        288
+      ],
+      "loc": {
+        "start": {
+          "line": 14,
+          "column": 8
+        },
+        "end": {
+          "line": 14,
+          "column": 9
+        }
+      }
+    }
+  ],
+  "range": [
+    0,
+    289
+  ],
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 15,
+      "column": 0
+    }
+  }
+}
\ No newline at end of file
diff --git a/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-scope-output.json b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-scope-output.json
new file mode 100644
index 00000000..536e0848
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-scope-output.json
@@ -0,0 +1,2361 @@
+{
+  "type": "global",
+  "variables": [
+    {
+      "name": "$$slots",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$$props",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$$restProps",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$state",
+      "identifiers": [],
+      "defs": [],
+      "references": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$state",
+            "range": [
+              36,
+              42
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 17
+              },
+              "end": {
+                "line": 2,
+                "column": 23
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        }
+      ]
+    },
+    {
+      "name": "$derived",
+      "identifiers": [],
+      "defs": [],
+      "references": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$derived",
+            "range": [
+              70,
+              78
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 15
+              },
+              "end": {
+                "line": 3,
+                "column": 23
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        }
+      ]
+    },
+    {
+      "name": "$effect",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$props",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$inspect",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    }
+  ],
+  "references": [],
+  "childScopes": [
+    {
+      "type": "module",
+      "variables": [
+        {
+          "name": "numbers",
+          "identifiers": [
+            {
+              "type": "Identifier",
+              "name": "numbers",
+              "range": [
+                26,
+                33
+              ],
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 7
+                },
+                "end": {
+                  "line": 2,
+                  "column": 14
+                }
+              }
+            }
+          ],
+          "defs": [
+            {
+              "type": "Variable",
+              "name": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              },
+              "node": {
+                "type": "VariableDeclarator",
+                "id": {
+                  "type": "Identifier",
+                  "name": "numbers",
+                  "range": [
+                    26,
+                    33
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 7
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 14
+                    }
+                  }
+                },
+                "init": {
+                  "type": "CallExpression",
+                  "arguments": [
+                    {
+                      "type": "ArrayExpression",
+                      "elements": [
+                        {
+                          "type": "Literal",
+                          "raw": "1",
+                          "value": 1,
+                          "range": [
+                            44,
+                            45
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 2,
+                              "column": 25
+                            },
+                            "end": {
+                              "line": 2,
+                              "column": 26
+                            }
+                          }
+                        },
+                        {
+                          "type": "Literal",
+                          "raw": "2",
+                          "value": 2,
+                          "range": [
+                            47,
+                            48
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 2,
+                              "column": 28
+                            },
+                            "end": {
+                              "line": 2,
+                              "column": 29
+                            }
+                          }
+                        },
+                        {
+                          "type": "Literal",
+                          "raw": "3",
+                          "value": 3,
+                          "range": [
+                            50,
+                            51
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 2,
+                              "column": 31
+                            },
+                            "end": {
+                              "line": 2,
+                              "column": 32
+                            }
+                          }
+                        }
+                      ],
+                      "range": [
+                        43,
+                        52
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 2,
+                          "column": 24
+                        },
+                        "end": {
+                          "line": 2,
+                          "column": 33
+                        }
+                      }
+                    }
+                  ],
+                  "callee": {
+                    "type": "Identifier",
+                    "name": "$state",
+                    "range": [
+                      36,
+                      42
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 17
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 23
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "range": [
+                    36,
+                    53
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 17
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 34
+                    }
+                  }
+                },
+                "range": [
+                  26,
+                  53
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 34
+                  }
+                }
+              }
+            }
+          ],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              },
+              "from": "module",
+              "init": true,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  125,
+                  132
+                ],
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 18
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 25
+                  }
+                }
+              },
+              "from": "for",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  211,
+                  218
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  224,
+                  231
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 37
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 44
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  248,
+                  255
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 2
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 9
+                  }
+                }
+              },
+              "from": "module",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            }
+          ]
+        },
+        {
+          "name": "total",
+          "identifiers": [
+            {
+              "type": "Identifier",
+              "name": "total",
+              "range": [
+                62,
+                67
+              ],
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 7
+                },
+                "end": {
+                  "line": 3,
+                  "column": 12
+                }
+              }
+            }
+          ],
+          "defs": [
+            {
+              "type": "Variable",
+              "name": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  62,
+                  67
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 12
+                  }
+                }
+              },
+              "node": {
+                "type": "VariableDeclarator",
+                "id": {
+                  "type": "Identifier",
+                  "name": "total",
+                  "range": [
+                    62,
+                    67
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 7
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 12
+                    }
+                  }
+                },
+                "init": {
+                  "type": "CallExpression",
+                  "arguments": [
+                    {
+                      "type": "ArrowFunctionExpression",
+                      "async": false,
+                      "body": {
+                        "type": "BlockStatement",
+                        "body": [
+                          {
+                            "type": "VariableDeclaration",
+                            "kind": "let",
+                            "declarations": [
+                              {
+                                "type": "VariableDeclarator",
+                                "id": {
+                                  "type": "Identifier",
+                                  "name": "total",
+                                  "range": [
+                                    96,
+                                    101
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 4,
+                                      "column": 6
+                                    },
+                                    "end": {
+                                      "line": 4,
+                                      "column": 11
+                                    }
+                                  }
+                                },
+                                "init": {
+                                  "type": "Literal",
+                                  "raw": "0",
+                                  "value": 0,
+                                  "range": [
+                                    104,
+                                    105
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 4,
+                                      "column": 14
+                                    },
+                                    "end": {
+                                      "line": 4,
+                                      "column": 15
+                                    }
+                                  }
+                                },
+                                "range": [
+                                  96,
+                                  105
+                                ],
+                                "loc": {
+                                  "start": {
+                                    "line": 4,
+                                    "column": 6
+                                  },
+                                  "end": {
+                                    "line": 4,
+                                    "column": 15
+                                  }
+                                }
+                              }
+                            ],
+                            "range": [
+                              92,
+                              106
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 4,
+                                "column": 2
+                              },
+                              "end": {
+                                "line": 4,
+                                "column": 16
+                              }
+                            }
+                          },
+                          {
+                            "type": "ForOfStatement",
+                            "await": false,
+                            "body": {
+                              "type": "BlockStatement",
+                              "body": [
+                                {
+                                  "type": "ExpressionStatement",
+                                  "expression": {
+                                    "type": "AssignmentExpression",
+                                    "left": {
+                                      "type": "Identifier",
+                                      "name": "total",
+                                      "range": [
+                                        139,
+                                        144
+                                      ],
+                                      "loc": {
+                                        "start": {
+                                          "line": 6,
+                                          "column": 3
+                                        },
+                                        "end": {
+                                          "line": 6,
+                                          "column": 8
+                                        }
+                                      }
+                                    },
+                                    "operator": "+=",
+                                    "right": {
+                                      "type": "Identifier",
+                                      "name": "n",
+                                      "range": [
+                                        148,
+                                        149
+                                      ],
+                                      "loc": {
+                                        "start": {
+                                          "line": 6,
+                                          "column": 12
+                                        },
+                                        "end": {
+                                          "line": 6,
+                                          "column": 13
+                                        }
+                                      }
+                                    },
+                                    "range": [
+                                      139,
+                                      149
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 6,
+                                        "column": 3
+                                      },
+                                      "end": {
+                                        "line": 6,
+                                        "column": 13
+                                      }
+                                    }
+                                  },
+                                  "range": [
+                                    139,
+                                    150
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 6,
+                                      "column": 3
+                                    },
+                                    "end": {
+                                      "line": 6,
+                                      "column": 14
+                                    }
+                                  }
+                                }
+                              ],
+                              "range": [
+                                134,
+                                154
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 5,
+                                  "column": 27
+                                },
+                                "end": {
+                                  "line": 7,
+                                  "column": 3
+                                }
+                              }
+                            },
+                            "left": {
+                              "type": "VariableDeclaration",
+                              "kind": "const",
+                              "declarations": [
+                                {
+                                  "type": "VariableDeclarator",
+                                  "id": {
+                                    "type": "Identifier",
+                                    "name": "n",
+                                    "range": [
+                                      120,
+                                      121
+                                    ],
+                                    "loc": {
+                                      "start": {
+                                        "line": 5,
+                                        "column": 13
+                                      },
+                                      "end": {
+                                        "line": 5,
+                                        "column": 14
+                                      }
+                                    }
+                                  },
+                                  "init": null,
+                                  "range": [
+                                    120,
+                                    121
+                                  ],
+                                  "loc": {
+                                    "start": {
+                                      "line": 5,
+                                      "column": 13
+                                    },
+                                    "end": {
+                                      "line": 5,
+                                      "column": 14
+                                    }
+                                  }
+                                }
+                              ],
+                              "range": [
+                                114,
+                                121
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 5,
+                                  "column": 7
+                                },
+                                "end": {
+                                  "line": 5,
+                                  "column": 14
+                                }
+                              }
+                            },
+                            "right": {
+                              "type": "Identifier",
+                              "name": "numbers",
+                              "range": [
+                                125,
+                                132
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 5,
+                                  "column": 18
+                                },
+                                "end": {
+                                  "line": 5,
+                                  "column": 25
+                                }
+                              }
+                            },
+                            "range": [
+                              109,
+                              154
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 5,
+                                "column": 2
+                              },
+                              "end": {
+                                "line": 7,
+                                "column": 3
+                              }
+                            }
+                          },
+                          {
+                            "type": "ReturnStatement",
+                            "argument": {
+                              "type": "Identifier",
+                              "name": "total",
+                              "range": [
+                                164,
+                                169
+                              ],
+                              "loc": {
+                                "start": {
+                                  "line": 8,
+                                  "column": 9
+                                },
+                                "end": {
+                                  "line": 8,
+                                  "column": 14
+                                }
+                              }
+                            },
+                            "range": [
+                              157,
+                              170
+                            ],
+                            "loc": {
+                              "start": {
+                                "line": 8,
+                                "column": 2
+                              },
+                              "end": {
+                                "line": 8,
+                                "column": 15
+                              }
+                            }
+                          }
+                        ],
+                        "range": [
+                          88,
+                          173
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 3,
+                            "column": 33
+                          },
+                          "end": {
+                            "line": 9,
+                            "column": 2
+                          }
+                        }
+                      },
+                      "expression": false,
+                      "generator": false,
+                      "id": null,
+                      "params": [],
+                      "range": [
+                        82,
+                        173
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 27
+                        },
+                        "end": {
+                          "line": 9,
+                          "column": 2
+                        }
+                      }
+                    }
+                  ],
+                  "callee": {
+                    "type": "MemberExpression",
+                    "computed": false,
+                    "object": {
+                      "type": "Identifier",
+                      "name": "$derived",
+                      "range": [
+                        70,
+                        78
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 15
+                        },
+                        "end": {
+                          "line": 3,
+                          "column": 23
+                        }
+                      }
+                    },
+                    "optional": false,
+                    "property": {
+                      "type": "Identifier",
+                      "name": "by",
+                      "range": [
+                        79,
+                        81
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 3,
+                          "column": 24
+                        },
+                        "end": {
+                          "line": 3,
+                          "column": 26
+                        }
+                      }
+                    },
+                    "range": [
+                      70,
+                      81
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 3,
+                        "column": 15
+                      },
+                      "end": {
+                        "line": 3,
+                        "column": 26
+                      }
+                    }
+                  },
+                  "optional": false,
+                  "range": [
+                    70,
+                    174
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 15
+                    },
+                    "end": {
+                      "line": 9,
+                      "column": 3
+                    }
+                  }
+                },
+                "range": [
+                  62,
+                  174
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 9,
+                    "column": 3
+                  }
+                }
+              }
+            }
+          ],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  62,
+                  67
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 12
+                  }
+                }
+              },
+              "from": "module",
+              "init": true,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  62,
+                  67
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 12
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  272,
+                  277
+                ],
+                "loc": {
+                  "start": {
+                    "line": 13,
+                    "column": 26
+                  },
+                  "end": {
+                    "line": 13,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "module",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  62,
+                  67
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 12
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "references": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              26,
+              33
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 7
+              },
+              "end": {
+                "line": 2,
+                "column": 14
+              }
+            }
+          },
+          "from": "module",
+          "init": true,
+          "resolved": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              26,
+              33
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 7
+              },
+              "end": {
+                "line": 2,
+                "column": 14
+              }
+            }
+          }
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$state",
+            "range": [
+              36,
+              42
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 17
+              },
+              "end": {
+                "line": 2,
+                "column": 23
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              62,
+              67
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 7
+              },
+              "end": {
+                "line": 3,
+                "column": 12
+              }
+            }
+          },
+          "from": "module",
+          "init": true,
+          "resolved": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              62,
+              67
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 7
+              },
+              "end": {
+                "line": 3,
+                "column": 12
+              }
+            }
+          }
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$derived",
+            "range": [
+              70,
+              78
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 15
+              },
+              "end": {
+                "line": 3,
+                "column": 23
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              248,
+              255
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 2
+              },
+              "end": {
+                "line": 13,
+                "column": 9
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": {
+            "type": "Identifier",
+            "name": "numbers",
+            "range": [
+              26,
+              33
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 7
+              },
+              "end": {
+                "line": 2,
+                "column": 14
+              }
+            }
+          }
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              272,
+              277
+            ],
+            "loc": {
+              "start": {
+                "line": 13,
+                "column": 26
+              },
+              "end": {
+                "line": 13,
+                "column": 31
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": {
+            "type": "Identifier",
+            "name": "total",
+            "range": [
+              62,
+              67
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 7
+              },
+              "end": {
+                "line": 3,
+                "column": 12
+              }
+            }
+          }
+        }
+      ],
+      "childScopes": [
+        {
+          "type": "function",
+          "variables": [
+            {
+              "name": "total",
+              "identifiers": [
+                {
+                  "type": "Identifier",
+                  "name": "total",
+                  "range": [
+                    96,
+                    101
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 4,
+                      "column": 6
+                    },
+                    "end": {
+                      "line": 4,
+                      "column": 11
+                    }
+                  }
+                }
+              ],
+              "defs": [
+                {
+                  "type": "Variable",
+                  "name": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      96,
+                      101
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  },
+                  "node": {
+                    "type": "VariableDeclarator",
+                    "id": {
+                      "type": "Identifier",
+                      "name": "total",
+                      "range": [
+                        96,
+                        101
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 4,
+                          "column": 6
+                        },
+                        "end": {
+                          "line": 4,
+                          "column": 11
+                        }
+                      }
+                    },
+                    "init": {
+                      "type": "Literal",
+                      "raw": "0",
+                      "value": 0,
+                      "range": [
+                        104,
+                        105
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 4,
+                          "column": 14
+                        },
+                        "end": {
+                          "line": 4,
+                          "column": 15
+                        }
+                      }
+                    },
+                    "range": [
+                      96,
+                      105
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 15
+                      }
+                    }
+                  }
+                }
+              ],
+              "references": [
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      96,
+                      101
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  },
+                  "from": "function",
+                  "init": true,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      96,
+                      101
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      139,
+                      144
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 6,
+                        "column": 3
+                      },
+                      "end": {
+                        "line": 6,
+                        "column": 8
+                      }
+                    }
+                  },
+                  "from": "block",
+                  "init": false,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      96,
+                      101
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      164,
+                      169
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 8,
+                        "column": 9
+                      },
+                      "end": {
+                        "line": 8,
+                        "column": 14
+                      }
+                    }
+                  },
+                  "from": "function",
+                  "init": null,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      96,
+                      101
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                }
+              ]
+            }
+          ],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  96,
+                  101
+                ],
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 11
+                  }
+                }
+              },
+              "from": "function",
+              "init": true,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  96,
+                  101
+                ],
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 11
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  164,
+                  169
+                ],
+                "loc": {
+                  "start": {
+                    "line": 8,
+                    "column": 9
+                  },
+                  "end": {
+                    "line": 8,
+                    "column": 14
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "total",
+                "range": [
+                  96,
+                  101
+                ],
+                "loc": {
+                  "start": {
+                    "line": 4,
+                    "column": 6
+                  },
+                  "end": {
+                    "line": 4,
+                    "column": 11
+                  }
+                }
+              }
+            }
+          ],
+          "childScopes": [
+            {
+              "type": "for",
+              "variables": [
+                {
+                  "name": "n",
+                  "identifiers": [
+                    {
+                      "type": "Identifier",
+                      "name": "n",
+                      "range": [
+                        120,
+                        121
+                      ],
+                      "loc": {
+                        "start": {
+                          "line": 5,
+                          "column": 13
+                        },
+                        "end": {
+                          "line": 5,
+                          "column": 14
+                        }
+                      }
+                    }
+                  ],
+                  "defs": [
+                    {
+                      "type": "Variable",
+                      "name": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          120,
+                          121
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      },
+                      "node": {
+                        "type": "VariableDeclarator",
+                        "id": {
+                          "type": "Identifier",
+                          "name": "n",
+                          "range": [
+                            120,
+                            121
+                          ],
+                          "loc": {
+                            "start": {
+                              "line": 5,
+                              "column": 13
+                            },
+                            "end": {
+                              "line": 5,
+                              "column": 14
+                            }
+                          }
+                        },
+                        "init": null,
+                        "range": [
+                          120,
+                          121
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ],
+                  "references": [
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          120,
+                          121
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      },
+                      "from": "for",
+                      "init": true,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          120,
+                          121
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    },
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          148,
+                          149
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 12
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 13
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": null,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          120,
+                          121
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ]
+                }
+              ],
+              "references": [
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "n",
+                    "range": [
+                      120,
+                      121
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 13
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 14
+                      }
+                    }
+                  },
+                  "from": "for",
+                  "init": true,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "n",
+                    "range": [
+                      120,
+                      121
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 13
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 14
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      125,
+                      132
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 18
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 25
+                      }
+                    }
+                  },
+                  "from": "for",
+                  "init": null,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      26,
+                      33
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 7
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 14
+                      }
+                    }
+                  }
+                }
+              ],
+              "childScopes": [
+                {
+                  "type": "block",
+                  "variables": [],
+                  "references": [
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          139,
+                          144
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 3
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 8
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": false,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          96,
+                          101
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 4,
+                            "column": 6
+                          },
+                          "end": {
+                            "line": 4,
+                            "column": 11
+                          }
+                        }
+                      }
+                    },
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          148,
+                          149
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 12
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 13
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": null,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          120,
+                          121
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ],
+                  "childScopes": [],
+                  "through": [
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          139,
+                          144
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 3
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 8
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": false,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "total",
+                        "range": [
+                          96,
+                          101
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 4,
+                            "column": 6
+                          },
+                          "end": {
+                            "line": 4,
+                            "column": 11
+                          }
+                        }
+                      }
+                    },
+                    {
+                      "identifier": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          148,
+                          149
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 6,
+                            "column": 12
+                          },
+                          "end": {
+                            "line": 6,
+                            "column": 13
+                          }
+                        }
+                      },
+                      "from": "block",
+                      "init": null,
+                      "resolved": {
+                        "type": "Identifier",
+                        "name": "n",
+                        "range": [
+                          120,
+                          121
+                        ],
+                        "loc": {
+                          "start": {
+                            "line": 5,
+                            "column": 13
+                          },
+                          "end": {
+                            "line": 5,
+                            "column": 14
+                          }
+                        }
+                      }
+                    }
+                  ]
+                }
+              ],
+              "through": [
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      125,
+                      132
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 5,
+                        "column": 18
+                      },
+                      "end": {
+                        "line": 5,
+                        "column": 25
+                      }
+                    }
+                  },
+                  "from": "for",
+                  "init": null,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "numbers",
+                    "range": [
+                      26,
+                      33
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 7
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 14
+                      }
+                    }
+                  }
+                },
+                {
+                  "identifier": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      139,
+                      144
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 6,
+                        "column": 3
+                      },
+                      "end": {
+                        "line": 6,
+                        "column": 8
+                      }
+                    }
+                  },
+                  "from": "block",
+                  "init": false,
+                  "resolved": {
+                    "type": "Identifier",
+                    "name": "total",
+                    "range": [
+                      96,
+                      101
+                    ],
+                    "loc": {
+                      "start": {
+                        "line": 4,
+                        "column": 6
+                      },
+                      "end": {
+                        "line": 4,
+                        "column": 11
+                      }
+                    }
+                  }
+                }
+              ]
+            }
+          ],
+          "through": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  125,
+                  132
+                ],
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 18
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 25
+                  }
+                }
+              },
+              "from": "for",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            }
+          ]
+        },
+        {
+          "type": "function",
+          "variables": [],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  211,
+                  218
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  224,
+                  231
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 37
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 44
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            }
+          ],
+          "childScopes": [],
+          "through": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  211,
+                  218
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 24
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 31
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  224,
+                  231
+                ],
+                "loc": {
+                  "start": {
+                    "line": 12,
+                    "column": 37
+                  },
+                  "end": {
+                    "line": 12,
+                    "column": 44
+                  }
+                }
+              },
+              "from": "function",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "numbers",
+                "range": [
+                  26,
+                  33
+                ],
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 7
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 14
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "through": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$state",
+            "range": [
+              36,
+              42
+            ],
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 17
+              },
+              "end": {
+                "line": 2,
+                "column": 23
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "$derived",
+            "range": [
+              70,
+              78
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 15
+              },
+              "end": {
+                "line": 3,
+                "column": 23
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": null
+        }
+      ]
+    }
+  ],
+  "through": []
+}
\ No newline at end of file
diff --git a/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-type-output.svelte b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-type-output.svelte
new file mode 100644
index 00000000..53769941
--- /dev/null
+++ b/tests/fixtures/parser/ast/svelte5/ts-$derived-by01-type-output.svelte
@@ -0,0 +1,14 @@
+<script lang="ts">
+	const numbers = $state([1, 2, 3]); // numbers: number[], $state([1, 2, 3]): number[]
+	const total = $derived.by(() => { // total: number, $derived.by(() => { let total = 0; for (const n of numbers) { total += n; } return total; }): number
+		let total = 0;
+		for (const n of numbers) {
+			total += n;
+		}
+		return total;
+	});
+</script>
+
+<button on:click={() => numbers.push(numbers.length + 1)}> <!-- numbers.push(numbers.length + 1): number -->
+	{numbers.join(' + ')} = {total} <!-- numbers.join(' + '): string, total: number -->
+</button>