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Type-only imports and exports (#792)
* Support type-only imports and exports * Fix copy/paste error * Update baseline * Handle import export type at local matching rules Co-authored-by: Sheetal Nandi <shkamat@microsoft.com>
1 parent b7ef094 commit 1632051

8 files changed

Lines changed: 354 additions & 39 deletions

‎TypeScript.YAML-tmLanguage‎

Lines changed: 19 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -1066,29 +1066,31 @@ repository:
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import-equals-declaration:
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patterns:
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- name: meta.import-equals.external.ts
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begin: '{{startOfDeclaration}}\b(import)\s+({{identifier}})\s*(=)\s*(require)\s*(\()'
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begin: '{{startOfDeclaration}}\b(import)(?:\s+(type))?\s+({{identifier}})\s*(=)\s*(require)\s*(\()'
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beginCaptures:
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'1': { name: keyword.control.export.ts }
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'2': { name: storage.modifier.ts }
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'3': { name: keyword.control.import.ts }
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'4': { name: variable.other.readwrite.alias.ts }
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'5': { name: keyword.operator.assignment.ts }
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'6': { name: keyword.control.require.ts }
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'7': { name: meta.brace.round.ts }
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'4': { name: keyword.control.type.ts }
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'5': { name: variable.other.readwrite.alias.ts }
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'6': { name: keyword.operator.assignment.ts }
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'7': { name: keyword.control.require.ts }
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'8': { name: meta.brace.round.ts }
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end: \)
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endCaptures:
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'0': { name: meta.brace.round.ts }
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patterns:
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- include: '#comment'
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- include: '#string'
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- name: meta.import-equals.internal.ts
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begin: '{{startOfDeclaration}}\b(import)\s+({{identifier}})\s*(=)\s*(?!require\b)'
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begin: '{{startOfDeclaration}}\b(import)(?:\s+(type))?\s+({{identifier}})\s*(=)\s*(?!require\b)'
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beginCaptures:
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'1': { name: keyword.control.export.ts }
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'2': { name: storage.modifier.ts }
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'3': { name: keyword.control.import.ts }
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'4': { name: variable.other.readwrite.alias.ts }
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'5': { name: keyword.operator.assignment.ts }
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'4': { name: keyword.control.type.ts }
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'5': { name: variable.other.readwrite.alias.ts }
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'6': { name: keyword.operator.assignment.ts }
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end: (?=;|$|^)
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patterns:
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- include: '#single-line-comment-consuming-line-ending'
@@ -1103,11 +1105,12 @@ repository:
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import-declaration:
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name: meta.import.ts
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begin: '{{startOfDeclaration}}\b(import)(?!\s*[:\(]){{endOfIdentifier}}'
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begin: '{{startOfDeclaration}}\b(import)(?:\s+(type)(?!\s+from))?(?!\s*[:\(]){{endOfIdentifier}}'
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beginCaptures:
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'1': { name: keyword.control.export.ts }
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'2': { name: storage.modifier.ts }
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'3': { name: keyword.control.import.ts }
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'4': { name: keyword.control.type.ts }
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end: (?<!{{lookBehindImport}})(?=;|$|^)
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patterns:
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- include: '#single-line-comment-consuming-line-ending'
@@ -1130,19 +1133,21 @@ repository:
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'3': { name: storage.type.namespace.ts }
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'4': { name: entity.name.type.module.ts }
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- name: meta.export.default.ts
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begin: '{{startOfIdentifier}}(export)(?:(?:\s*(=))|(?:\s+(default)(?=\s+)))'
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begin: '{{startOfIdentifier}}(export)(?:\s+(type))?(?:(?:\s*(=))|(?:\s+(default)(?=\s+)))'
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beginCaptures:
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'1': { name: keyword.control.export.ts }
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'2': { name: keyword.operator.assignment.ts }
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'3': { name: keyword.control.default.ts }
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'2': { name: keyword.control.type.ts }
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'3': { name: keyword.operator.assignment.ts }
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'4': { name: keyword.control.default.ts }
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end: (?=$|{{endOfStatement}})
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patterns:
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- include: '#interface-declaration'
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- include: '#expression'
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- name: meta.export.ts
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begin: '{{startOfIdentifier}}(export)\b(?!(\$)|(\s*:))((?=\s*[\{*])|((?=\s*{{identifier}}(\s|,))(?!\s*{{constructsAndModifiers}})))'
1147+
begin: '{{startOfIdentifier}}(export)(?:\s+(type))?\b(?!(\$)|(\s*:))((?=\s*[\{*])|((?=\s*{{identifier}}(\s|,))(?!\s*{{constructsAndModifiers}})))'
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beginCaptures:
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'0': { name: keyword.control.export.ts }
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'1': { name: keyword.control.export.ts }
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'2': { name: keyword.control.type.ts }
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end: (?=$|{{endOfStatement}})
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patterns:
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- include: '#import-export-declaration'

‎TypeScript.tmLanguage‎

Lines changed: 36 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -3382,7 +3382,7 @@
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<key>name</key>
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<string>meta.import-equals.external.ts</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)\s+([_$[:alpha:]][_$[:alnum:]]*)\s*(=)\s*(require)\s*(\()</string>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)(?:\s+(type))?\s+([_$[:alpha:]][_$[:alnum:]]*)\s*(=)\s*(require)\s*(\()</string>
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<key>beginCaptures</key>
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@@ -3403,19 +3403,24 @@
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<key>4</key>
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<dict>
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<key>name</key>
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<string>variable.other.readwrite.alias.ts</string>
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<string>keyword.control.type.ts</string>
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<key>5</key>
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<dict>
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<key>name</key>
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<string>variable.other.readwrite.alias.ts</string>
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<key>6</key>
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<dict>
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<key>7</key>
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<dict>
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<key>8</key>
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<dict>
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<key>name</key>
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<string>meta.brace.round.ts</string>
@@ -3447,7 +3452,7 @@
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<key>name</key>
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<string>meta.import-equals.internal.ts</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)\s+([_$[:alpha:]][_$[:alnum:]]*)\s*(=)\s*(?!require\b)</string>
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<key>beginCaptures</key>
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<dict>
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@@ -3468,9 +3473,14 @@
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<key>4</key>
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<dict>
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<key>name</key>
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<string>variable.other.readwrite.alias.ts</string>
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<string>keyword.control.type.ts</string>
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</dict>
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<key>5</key>
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<dict>
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<key>name</key>
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<string>variable.other.readwrite.alias.ts</string>
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</dict>
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<key>6</key>
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<dict>
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<key>name</key>
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<string>keyword.operator.assignment.ts</string>
@@ -3525,7 +3535,7 @@
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<key>name</key>
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<string>meta.import.ts</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)(?!\s*[:\(])(?![_$[:alnum:]])(?:(?=\.\.\.)|(?!\.))</string>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)(?:\s+(type)(?!\s+from))?(?!\s*[:\(])(?![_$[:alnum:]])(?:(?=\.\.\.)|(?!\.))</string>
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<key>beginCaptures</key>
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<dict>
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<key>1</key>
@@ -3543,6 +3553,11 @@
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<key>name</key>
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<string>keyword.control.import.ts</string>
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</dict>
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<key>4</key>
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<dict>
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<key>name</key>
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<string>keyword.control.type.ts</string>
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</dict>
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</dict>
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<key>end</key>
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<string>(?&lt;!^import|[^\._$[:alnum:]]import)(?=;|$|^)</string>
@@ -3622,7 +3637,7 @@
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<key>name</key>
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<string>meta.export.default.ts</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(export)(?:(?:\s*(=))|(?:\s+(default)(?=\s+)))</string>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(export)(?:\s+(type))?(?:(?:\s*(=))|(?:\s+(default)(?=\s+)))</string>
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<key>beginCaptures</key>
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<dict>
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<key>1</key>
@@ -3633,9 +3648,14 @@
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<key>2</key>
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<dict>
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<key>name</key>
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<string>keyword.operator.assignment.ts</string>
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<string>keyword.control.type.ts</string>
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</dict>
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<key>3</key>
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<dict>
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<key>name</key>
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<string>keyword.operator.assignment.ts</string>
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</dict>
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<key>4</key>
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<dict>
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<key>name</key>
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<string>keyword.control.default.ts</string>
@@ -3659,14 +3679,19 @@
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<key>name</key>
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<string>meta.export.ts</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(export)\b(?!(\$)|(\s*:))((?=\s*[\{*])|((?=\s*[_$[:alpha:]][_$[:alnum:]]*(\s|,))(?!\s*(?:abstract|async|class|const|declare|enum|export|function|import|interface|let|module|namespace|return|type|var)\b)))</string>
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<key>beginCaptures</key>
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<dict>
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<dict>
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<string>keyword.control.export.ts</string>
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</dict>
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<key>2</key>
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<dict>
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<key>name</key>
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</dict>
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</dict>
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‎TypeScriptReact.tmLanguage‎

Lines changed: 36 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -3404,7 +3404,7 @@
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<key>name</key>
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<string>meta.import-equals.external.tsx</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)\s+([_$[:alpha:]][_$[:alnum:]]*)\s*(=)\s*(require)\s*(\()</string>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)(?:\s+(type))?\s+([_$[:alpha:]][_$[:alnum:]]*)\s*(=)\s*(require)\s*(\()</string>
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<key>beginCaptures</key>
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<dict>
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@@ -3425,19 +3425,24 @@
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<key>4</key>
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<dict>
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<key>name</key>
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<string>variable.other.readwrite.alias.tsx</string>
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<string>keyword.control.type.tsx</string>
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</dict>
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<dict>
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<string>keyword.operator.assignment.tsx</string>
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<string>variable.other.readwrite.alias.tsx</string>
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</dict>
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<dict>
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<key>name</key>
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<string>keyword.control.require.tsx</string>
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<string>keyword.operator.assignment.tsx</string>
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</dict>
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<dict>
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<key>name</key>
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<string>keyword.control.require.tsx</string>
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</dict>
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<key>8</key>
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<dict>
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<key>name</key>
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<string>meta.brace.round.tsx</string>
@@ -3469,7 +3474,7 @@
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<key>name</key>
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<string>meta.import-equals.internal.tsx</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)\s+([_$[:alpha:]][_$[:alnum:]]*)\s*(=)\s*(?!require\b)</string>
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@@ -3490,9 +3495,14 @@
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<key>4</key>
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<dict>
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<string>variable.other.readwrite.alias.tsx</string>
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</dict>
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<dict>
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<key>name</key>
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<string>variable.other.readwrite.alias.tsx</string>
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<key>6</key>
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<dict>
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<key>name</key>
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<string>keyword.operator.assignment.tsx</string>
@@ -3547,7 +3557,7 @@
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<key>name</key>
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<string>meta.import.tsx</string>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)(?!\s*[:\(])(?![_$[:alnum:]])(?:(?=\.\.\.)|(?!\.))</string>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(?:(\bexport)\s+)?(?:(\bdeclare)\s+)?\b(import)(?:\s+(type)(?!\s+from))?(?!\s*[:\(])(?![_$[:alnum:]])(?:(?=\.\.\.)|(?!\.))</string>
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@@ -3565,6 +3575,11 @@
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<dict>
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<string>(?&lt;!^import|[^\._$[:alnum:]]import)(?=;|$|^)</string>
@@ -3644,7 +3659,7 @@
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(export)(?:(?:\s*(=))|(?:\s+(default)(?=\s+)))</string>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(export)(?:\s+(type))?(?:(?:\s*(=))|(?:\s+(default)(?=\s+)))</string>
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<dict>
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<key>1</key>
@@ -3655,9 +3670,14 @@
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<key>2</key>
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<dict>
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<key>name</key>
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<string>keyword.operator.assignment.tsx</string>
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<string>keyword.control.type.tsx</string>
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<key>3</key>
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<dict>
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<key>name</key>
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<string>keyword.operator.assignment.tsx</string>
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<key>4</key>
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<dict>
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<string>keyword.control.default.tsx</string>
@@ -3681,14 +3701,19 @@
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<key>name</key>
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<key>begin</key>
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<string>(?&lt;![_$[:alnum:]])(?:(?&lt;=\.\.\.)|(?&lt;!\.))(export)(?:\s+(type))?\b(?!(\$)|(\s*:))((?=\s*[\{*])|((?=\s*[_$[:alpha:]][_$[:alnum:]]*(\s|,))(?!\s*(?:abstract|async|class|const|declare|enum|export|function|import|interface|let|module|namespace|return|type|var)\b)))</string>
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<dict>
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<string>keyword.control.export.tsx</string>
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<key>2</key>
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<dict>
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<key>name</key>
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<string>keyword.control.type.tsx</string>
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‎package.json‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,7 @@
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"pretest": "npm run build",
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"test": "mocha --full-trace tests/test.js --reporter mocha-multi-reporters",
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"diff": "cross-env-shell $DIFF tests/baselines tests/generated",
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"accept": "copyfiles \"tests/generated/*\" tests/baselines"
14+
"accept": "copyfiles -u 2 \"tests/generated/*\" tests/baselines"
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},
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"dependencies": {
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"@types/chai": "latest",

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