diff --git a/src/context/index.ts b/src/context/index.ts
index 360044a4..37fd1451 100644
--- a/src/context/index.ts
+++ b/src/context/index.ts
@@ -260,12 +260,15 @@ type Block = {
 
 /** Extract <script> blocks */
 function* extractBlocks(code: string): IterableIterator<Block> {
-    const startTagOpenRe = /<(script|style)([\s>])/giu
+    const startTagOpenRe = /<!--[\s\S]*?-->|<(script|style)([\s>])/giu
     const endScriptTagRe = /<\/script>/giu
     const endStyleTagRe = /<\/style>/giu
     let startTagOpenMatch
     while ((startTagOpenMatch = startTagOpenRe.exec(code))) {
         const [, tag, nextChar] = startTagOpenMatch
+        if (!tag) {
+            continue
+        }
         let startTagEnd = startTagOpenRe.lastIndex
 
         let attrs: AttributeToken[] = []
diff --git a/tests/fixtures/parser/ast/html-comments01-input.svelte b/tests/fixtures/parser/ast/html-comments01-input.svelte
new file mode 100644
index 00000000..c51ee484
--- /dev/null
+++ b/tests/fixtures/parser/ast/html-comments01-input.svelte
@@ -0,0 +1,5 @@
+<!-- <script> -->
+<script>
+    let a = '';
+</script>
+<input type="number" bind:value={a}>
diff --git a/tests/fixtures/parser/ast/html-comments01-output.json b/tests/fixtures/parser/ast/html-comments01-output.json
new file mode 100644
index 00000000..fad427e1
--- /dev/null
+++ b/tests/fixtures/parser/ast/html-comments01-output.json
@@ -0,0 +1,951 @@
+{
+  "type": "Program",
+  "body": [
+    {
+      "type": "SvelteHTMLComment",
+      "value": " <script> ",
+      "range": [
+        0,
+        17
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "SvelteText",
+      "value": "\n",
+      "range": [
+        17,
+        18
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 17
+        },
+        "end": {
+          "line": 2,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "SvelteScriptElement",
+      "name": {
+        "type": "SvelteName",
+        "name": "script",
+        "range": [
+          19,
+          25
+        ],
+        "loc": {
+          "start": {
+            "line": 2,
+            "column": 1
+          },
+          "end": {
+            "line": 2,
+            "column": 7
+          }
+        }
+      },
+      "startTag": {
+        "type": "SvelteStartTag",
+        "attributes": [],
+        "selfClosing": false,
+        "range": [
+          18,
+          26
+        ],
+        "loc": {
+          "start": {
+            "line": 2,
+            "column": 0
+          },
+          "end": {
+            "line": 2,
+            "column": 8
+          }
+        }
+      },
+      "body": [
+        {
+          "type": "VariableDeclaration",
+          "kind": "let",
+          "declarations": [
+            {
+              "type": "VariableDeclarator",
+              "id": {
+                "type": "Identifier",
+                "name": "a",
+                "range": [
+                  35,
+                  36
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 8
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 9
+                  }
+                }
+              },
+              "init": {
+                "type": "Literal",
+                "raw": "''",
+                "value": "",
+                "range": [
+                  39,
+                  41
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 12
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 14
+                  }
+                }
+              },
+              "range": [
+                35,
+                41
+              ],
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 8
+                },
+                "end": {
+                  "line": 3,
+                  "column": 14
+                }
+              }
+            }
+          ],
+          "range": [
+            31,
+            42
+          ],
+          "loc": {
+            "start": {
+              "line": 3,
+              "column": 4
+            },
+            "end": {
+              "line": 3,
+              "column": 15
+            }
+          }
+        }
+      ],
+      "endTag": {
+        "type": "SvelteEndTag",
+        "range": [
+          43,
+          52
+        ],
+        "loc": {
+          "start": {
+            "line": 4,
+            "column": 0
+          },
+          "end": {
+            "line": 4,
+            "column": 9
+          }
+        }
+      },
+      "range": [
+        18,
+        52
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 0
+        },
+        "end": {
+          "line": 4,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "SvelteText",
+      "value": "\n",
+      "range": [
+        52,
+        53
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 9
+        },
+        "end": {
+          "line": 5,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "SvelteElement",
+      "kind": "html",
+      "name": {
+        "type": "SvelteName",
+        "name": "input",
+        "range": [
+          54,
+          59
+        ],
+        "loc": {
+          "start": {
+            "line": 5,
+            "column": 1
+          },
+          "end": {
+            "line": 5,
+            "column": 6
+          }
+        }
+      },
+      "startTag": {
+        "type": "SvelteStartTag",
+        "attributes": [
+          {
+            "type": "SvelteAttribute",
+            "key": {
+              "type": "SvelteName",
+              "name": "type",
+              "range": [
+                60,
+                64
+              ],
+              "loc": {
+                "start": {
+                  "line": 5,
+                  "column": 7
+                },
+                "end": {
+                  "line": 5,
+                  "column": 11
+                }
+              }
+            },
+            "boolean": false,
+            "value": [
+              {
+                "type": "SvelteLiteral",
+                "value": "number",
+                "range": [
+                  66,
+                  72
+                ],
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 13
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 19
+                  }
+                }
+              }
+            ],
+            "range": [
+              60,
+              73
+            ],
+            "loc": {
+              "start": {
+                "line": 5,
+                "column": 7
+              },
+              "end": {
+                "line": 5,
+                "column": 20
+              }
+            }
+          },
+          {
+            "type": "SvelteDirective",
+            "kind": "Binding",
+            "key": {
+              "type": "SvelteDirectiveKey",
+              "name": {
+                "type": "SvelteName",
+                "name": "value",
+                "range": [
+                  79,
+                  84
+                ],
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 26
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 31
+                  }
+                }
+              },
+              "modifiers": [],
+              "range": [
+                74,
+                84
+              ],
+              "loc": {
+                "start": {
+                  "line": 5,
+                  "column": 21
+                },
+                "end": {
+                  "line": 5,
+                  "column": 31
+                }
+              }
+            },
+            "expression": {
+              "type": "Identifier",
+              "name": "a",
+              "range": [
+                86,
+                87
+              ],
+              "loc": {
+                "start": {
+                  "line": 5,
+                  "column": 33
+                },
+                "end": {
+                  "line": 5,
+                  "column": 34
+                }
+              }
+            },
+            "shorthand": false,
+            "range": [
+              74,
+              88
+            ],
+            "loc": {
+              "start": {
+                "line": 5,
+                "column": 21
+              },
+              "end": {
+                "line": 5,
+                "column": 35
+              }
+            }
+          }
+        ],
+        "selfClosing": false,
+        "range": [
+          53,
+          89
+        ],
+        "loc": {
+          "start": {
+            "line": 5,
+            "column": 0
+          },
+          "end": {
+            "line": 5,
+            "column": 36
+          }
+        }
+      },
+      "children": [],
+      "endTag": null,
+      "range": [
+        53,
+        89
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 0
+        },
+        "end": {
+          "line": 5,
+          "column": 36
+        }
+      }
+    }
+  ],
+  "sourceType": "module",
+  "comments": [],
+  "tokens": [
+    {
+      "type": "HTMLComment",
+      "value": "<!-- <script> -->",
+      "range": [
+        0,
+        17
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 17
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n",
+      "range": [
+        17,
+        18
+      ],
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 17
+        },
+        "end": {
+          "line": 2,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        18,
+        19
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 0
+        },
+        "end": {
+          "line": 2,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "script",
+      "range": [
+        19,
+        25
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 1
+        },
+        "end": {
+          "line": 2,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        25,
+        26
+      ],
+      "loc": {
+        "start": {
+          "line": 2,
+          "column": 7
+        },
+        "end": {
+          "line": 2,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Keyword",
+      "value": "let",
+      "range": [
+        31,
+        34
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 4
+        },
+        "end": {
+          "line": 3,
+          "column": 7
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "a",
+      "range": [
+        35,
+        36
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 8
+        },
+        "end": {
+          "line": 3,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        37,
+        38
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 10
+        },
+        "end": {
+          "line": 3,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "String",
+      "value": "''",
+      "range": [
+        39,
+        41
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 12
+        },
+        "end": {
+          "line": 3,
+          "column": 14
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ";",
+      "range": [
+        41,
+        42
+      ],
+      "loc": {
+        "start": {
+          "line": 3,
+          "column": 14
+        },
+        "end": {
+          "line": 3,
+          "column": 15
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        43,
+        44
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 0
+        },
+        "end": {
+          "line": 4,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "/",
+      "range": [
+        44,
+        45
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 1
+        },
+        "end": {
+          "line": 4,
+          "column": 2
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "script",
+      "range": [
+        45,
+        51
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 2
+        },
+        "end": {
+          "line": 4,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        51,
+        52
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 8
+        },
+        "end": {
+          "line": 4,
+          "column": 9
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "\n",
+      "range": [
+        52,
+        53
+      ],
+      "loc": {
+        "start": {
+          "line": 4,
+          "column": 9
+        },
+        "end": {
+          "line": 5,
+          "column": 0
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "<",
+      "range": [
+        53,
+        54
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 0
+        },
+        "end": {
+          "line": 5,
+          "column": 1
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "input",
+      "range": [
+        54,
+        59
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 1
+        },
+        "end": {
+          "line": 5,
+          "column": 6
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "type",
+      "range": [
+        60,
+        64
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 7
+        },
+        "end": {
+          "line": 5,
+          "column": 11
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        64,
+        65
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 11
+        },
+        "end": {
+          "line": 5,
+          "column": 12
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "\"",
+      "range": [
+        65,
+        66
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 12
+        },
+        "end": {
+          "line": 5,
+          "column": 13
+        }
+      }
+    },
+    {
+      "type": "HTMLText",
+      "value": "number",
+      "range": [
+        66,
+        72
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 13
+        },
+        "end": {
+          "line": 5,
+          "column": 19
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "\"",
+      "range": [
+        72,
+        73
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 19
+        },
+        "end": {
+          "line": 5,
+          "column": 20
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "bind",
+      "range": [
+        74,
+        78
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 21
+        },
+        "end": {
+          "line": 5,
+          "column": 25
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ":",
+      "range": [
+        78,
+        79
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 25
+        },
+        "end": {
+          "line": 5,
+          "column": 26
+        }
+      }
+    },
+    {
+      "type": "HTMLIdentifier",
+      "value": "value",
+      "range": [
+        79,
+        84
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 26
+        },
+        "end": {
+          "line": 5,
+          "column": 31
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "=",
+      "range": [
+        84,
+        85
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 31
+        },
+        "end": {
+          "line": 5,
+          "column": 32
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "{",
+      "range": [
+        85,
+        86
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 32
+        },
+        "end": {
+          "line": 5,
+          "column": 33
+        }
+      }
+    },
+    {
+      "type": "Identifier",
+      "value": "a",
+      "range": [
+        86,
+        87
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 33
+        },
+        "end": {
+          "line": 5,
+          "column": 34
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": "}",
+      "range": [
+        87,
+        88
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 34
+        },
+        "end": {
+          "line": 5,
+          "column": 35
+        }
+      }
+    },
+    {
+      "type": "Punctuator",
+      "value": ">",
+      "range": [
+        88,
+        89
+      ],
+      "loc": {
+        "start": {
+          "line": 5,
+          "column": 35
+        },
+        "end": {
+          "line": 5,
+          "column": 36
+        }
+      }
+    }
+  ],
+  "range": [
+    0,
+    90
+  ],
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 6,
+      "column": 0
+    }
+  }
+}
\ No newline at end of file
diff --git a/tests/fixtures/parser/ast/html-comments01-scope-output.json b/tests/fixtures/parser/ast/html-comments01-scope-output.json
new file mode 100644
index 00000000..dcf6176a
--- /dev/null
+++ b/tests/fixtures/parser/ast/html-comments01-scope-output.json
@@ -0,0 +1,298 @@
+{
+  "type": "global",
+  "variables": [
+    {
+      "name": "$$slots",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$$props",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    },
+    {
+      "name": "$$restProps",
+      "identifiers": [],
+      "defs": [],
+      "references": []
+    }
+  ],
+  "references": [],
+  "childScopes": [
+    {
+      "type": "module",
+      "variables": [
+        {
+          "name": "a",
+          "identifiers": [
+            {
+              "type": "Identifier",
+              "name": "a",
+              "range": [
+                35,
+                36
+              ],
+              "loc": {
+                "start": {
+                  "line": 3,
+                  "column": 8
+                },
+                "end": {
+                  "line": 3,
+                  "column": 9
+                }
+              }
+            }
+          ],
+          "defs": [
+            {
+              "type": "Variable",
+              "name": {
+                "type": "Identifier",
+                "name": "a",
+                "range": [
+                  35,
+                  36
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 8
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 9
+                  }
+                }
+              },
+              "node": {
+                "type": "VariableDeclarator",
+                "id": {
+                  "type": "Identifier",
+                  "name": "a",
+                  "range": [
+                    35,
+                    36
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 8
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 9
+                    }
+                  }
+                },
+                "init": {
+                  "type": "Literal",
+                  "raw": "''",
+                  "value": "",
+                  "range": [
+                    39,
+                    41
+                  ],
+                  "loc": {
+                    "start": {
+                      "line": 3,
+                      "column": 12
+                    },
+                    "end": {
+                      "line": 3,
+                      "column": 14
+                    }
+                  }
+                },
+                "range": [
+                  35,
+                  41
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 8
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 14
+                  }
+                }
+              }
+            }
+          ],
+          "references": [
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "a",
+                "range": [
+                  35,
+                  36
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 8
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 9
+                  }
+                }
+              },
+              "from": "module",
+              "init": true,
+              "resolved": {
+                "type": "Identifier",
+                "name": "a",
+                "range": [
+                  35,
+                  36
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 8
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 9
+                  }
+                }
+              }
+            },
+            {
+              "identifier": {
+                "type": "Identifier",
+                "name": "a",
+                "range": [
+                  86,
+                  87
+                ],
+                "loc": {
+                  "start": {
+                    "line": 5,
+                    "column": 33
+                  },
+                  "end": {
+                    "line": 5,
+                    "column": 34
+                  }
+                }
+              },
+              "from": "module",
+              "init": null,
+              "resolved": {
+                "type": "Identifier",
+                "name": "a",
+                "range": [
+                  35,
+                  36
+                ],
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 8
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 9
+                  }
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "references": [
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "a",
+            "range": [
+              35,
+              36
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 8
+              },
+              "end": {
+                "line": 3,
+                "column": 9
+              }
+            }
+          },
+          "from": "module",
+          "init": true,
+          "resolved": {
+            "type": "Identifier",
+            "name": "a",
+            "range": [
+              35,
+              36
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 8
+              },
+              "end": {
+                "line": 3,
+                "column": 9
+              }
+            }
+          }
+        },
+        {
+          "identifier": {
+            "type": "Identifier",
+            "name": "a",
+            "range": [
+              86,
+              87
+            ],
+            "loc": {
+              "start": {
+                "line": 5,
+                "column": 33
+              },
+              "end": {
+                "line": 5,
+                "column": 34
+              }
+            }
+          },
+          "from": "module",
+          "init": null,
+          "resolved": {
+            "type": "Identifier",
+            "name": "a",
+            "range": [
+              35,
+              36
+            ],
+            "loc": {
+              "start": {
+                "line": 3,
+                "column": 8
+              },
+              "end": {
+                "line": 3,
+                "column": 9
+              }
+            }
+          }
+        }
+      ],
+      "childScopes": [],
+      "through": []
+    }
+  ],
+  "through": []
+}
\ No newline at end of file