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KingwlKingwl
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add nullish coalescing support
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‎TypeScript.YAML-tmLanguage

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -218,6 +218,7 @@ repository:
218218
- include: '#arrow-function'
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- include: '#paren-expression-possibly-arrow'
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- include: '#cast'
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- include: '#nullish-coalesce'
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- include: '#ternary-expression'
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- include: '#new-expr'
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- include: '#instanceof-expr'
@@ -1414,6 +1415,12 @@ repository:
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- include: '#expression'
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- include: '#punctuation-comma'
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#nullish coalesce
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nullish-coalesce:
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patterns:
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- name: keyword.operator.logical.ts
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match: \?\?
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#ternary expression
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ternary-expression:
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begin: (?!\?\.\s*[^[:digit:]])(\?)

‎TypeScript.tmLanguage

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Original file line numberDiff line numberDiff line change
@@ -323,6 +323,10 @@
323323
<key>include</key>
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<string>#cast</string>
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</dict>
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<dict>
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<key>include</key>
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<string>#nullish-coalesce</string>
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</dict>
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<dict>
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<key>include</key>
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<string>#ternary-expression</string>
@@ -4587,6 +4591,18 @@
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</dict>
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</array>
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</dict>
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<key>nullish-coalesce</key>
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<dict>
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<key>patterns</key>
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<array>
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<dict>
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<key>name</key>
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<string>keyword.operator.logical.ts</string>
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<key>match</key>
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<string>\?\?</string>
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</dict>
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</array>
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</dict>
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<key>ternary-expression</key>
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<dict>
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<key>begin</key>

‎TypeScriptReact.tmLanguage

Lines changed: 16 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -327,6 +327,10 @@
327327
<key>include</key>
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<string>#cast</string>
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</dict>
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<dict>
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<key>include</key>
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<string>#nullish-coalesce</string>
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</dict>
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<dict>
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<key>include</key>
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<string>#ternary-expression</string>
@@ -4611,6 +4615,18 @@
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</dict>
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</array>
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</dict>
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<key>nullish-coalesce</key>
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<dict>
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<key>patterns</key>
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<array>
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<dict>
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<key>name</key>
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<string>keyword.operator.logical.tsx</string>
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<key>match</key>
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<string>\?\?</string>
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</dict>
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</array>
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</dict>
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<key>ternary-expression</key>
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<dict>
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<key>begin</key>

‎tests/baselines/issue522_1.baseline.txt

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,274 @@
1+
original file
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-----------------------------------
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const brokenSyntaxHighlighting = () => {
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const array = a ?? b ?? c ?? d ?? g;
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/**
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* No TypeEror, but syntax highlighting is broken
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*/
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const test = a ?? b ?? c ?? d ?? g;
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for (let i = 0; i < array.length; i++) {
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console.log(array[i]);
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}
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};
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brokenSyntaxHighlighting();
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-----------------------------------
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Grammar: TypeScript.tmLanguage
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-----------------------------------
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>const brokenSyntaxHighlighting = () => {
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^^^^^
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source.ts meta.var.expr.ts storage.type.ts
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^
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source.ts meta.var.expr.ts
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^^^^^^^^^^^^^^^^^^^^^^^^
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source.ts meta.var.expr.ts meta.var-single-variable.expr.ts meta.definition.variable.ts variable.other.constant.ts entity.name.function.ts
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^
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source.ts meta.var.expr.ts meta.var-single-variable.expr.ts
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^
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source.ts meta.var.expr.ts keyword.operator.assignment.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.parameters.ts punctuation.definition.parameters.begin.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.parameters.ts punctuation.definition.parameters.end.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts storage.type.function.arrow.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts punctuation.definition.block.ts
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> const array = a ?? b ?? c ?? d ?? g;
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^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts storage.type.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts meta.var-single-variable.expr.ts meta.definition.variable.ts variable.other.constant.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts meta.var-single-variable.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.assignment.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts punctuation.terminator.statement.ts
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>
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^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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> /**
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^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts comment.block.documentation.ts punctuation.definition.comment.ts
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> * No TypeEror, but syntax highlighting is broken
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts comment.block.documentation.ts
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> */
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^^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts comment.block.documentation.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts comment.block.documentation.ts punctuation.definition.comment.ts
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> const test = a ?? b ?? c ?? d ?? g;
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^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts storage.type.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts meta.var-single-variable.expr.ts meta.definition.variable.ts variable.other.constant.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts meta.var-single-variable.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.assignment.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
137+
^
138+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.logical.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts punctuation.terminator.statement.ts
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>
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^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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> for (let i = 0; i < array.length; i++) {
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^^^^
170+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts keyword.control.loop.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.brace.round.ts
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^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts storage.type.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts meta.var-single-variable.expr.ts meta.definition.variable.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts meta.var-single-variable.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts keyword.operator.assignment.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.var.expr.ts constant.numeric.decimal.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts punctuation.terminator.statement.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts variable.other.readwrite.ts
197+
^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts keyword.operator.relational.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts variable.other.object.ts
205+
^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts punctuation.accessor.ts
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^^^^^^
208+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts support.variable.property.ts
209+
^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts punctuation.terminator.statement.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts variable.other.readwrite.ts
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^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts keyword.operator.increment.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.brace.round.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
221+
^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts punctuation.definition.block.ts
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> console.log(array[i]);
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^^^^^^
225+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts
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^^^^^^^
227+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.function-call.ts support.class.console.ts
228+
^
229+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.function-call.ts punctuation.accessor.ts
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^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.function-call.ts support.function.console.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.brace.round.ts
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^^^^^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.array.literal.ts meta.brace.square.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.array.literal.ts variable.other.readwrite.ts
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^
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source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.array.literal.ts meta.brace.square.ts
242+
^
243+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts meta.brace.round.ts
244+
^
245+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts punctuation.terminator.statement.ts
246+
> }
247+
^^^^
248+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts
249+
^
250+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts meta.block.ts punctuation.definition.block.ts
251+
> };
252+
^^
253+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts
254+
^
255+
source.ts meta.var.expr.ts meta.arrow.ts meta.block.ts punctuation.definition.block.ts
256+
^
257+
source.ts punctuation.terminator.statement.ts
258+
>
259+
^^^
260+
source.ts
261+
> brokenSyntaxHighlighting();
262+
^^
263+
source.ts
264+
^^^^^^^^^^^^^^^^^^^^^^^^
265+
source.ts meta.function-call.ts entity.name.function.ts
266+
^
267+
source.ts meta.brace.round.ts
268+
^
269+
source.ts meta.brace.round.ts
270+
^
271+
source.ts punctuation.terminator.statement.ts
272+
>
273+
^^^
274+
source.ts

‎tests/cases/issue522_1.ts

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,15 @@
1+
const brokenSyntaxHighlighting = () => {
2+
const array = a ?? b ?? c ?? d ?? g;
3+
4+
/**
5+
* No TypeEror, but syntax highlighting is broken
6+
*/
7+
const test = a ?? b ?? c ?? d ?? g;
8+
9+
for (let i = 0; i < array.length; i++) {
10+
console.log(array[i]);
11+
}
12+
};
13+
14+
brokenSyntaxHighlighting();
15+

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