8000 Allow decorators in JavaScript files · nycdotnet/TypeScript@d396f6e · GitHub
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billtibillti
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Allow decorators in JavaScript files
(cherry picked from commit f601e6d)
1 parent ddc0778 commit d396f6e

7 files changed

+11
-26
lines changed

‎src/compiler/diagnosticMessages.json

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"category": "Error",
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"code": 8016
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},
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"'decorators' can only be used in a .ts file.": {
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"category": "Error",
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"code": 8017
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},
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"Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses.": {
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"category": "Error",
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"code": 9002

‎src/compiler/program.ts

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@@ -827,9 +827,6 @@ namespace ts {
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let typeAssertionExpression = <TypeAssertion>node;
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diagnostics.push(createDiagnosticForNode(typeAssertionExpression.type, Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file));
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return true;
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10000 case SyntaxKind.Decorator:
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diagnostics.push(createDiagnosticForNode(node, Diagnostics.decorators_can_only_be_used_in_a_ts_file));
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return true;
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}
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return forEachChild(node, walk);

‎tests/baselines/reference/jsFileCompilationDecoratorSyntax.errors.txt

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This file was deleted.

‎tests/baselines/reference/jsFileCompilationDecoratorSyntax.symbols

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=== tests/cases/compiler/a.js ===
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@internal class C { }
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>C : Symbol(C, Decl(a.js, 0, 0))
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‎tests/baselines/reference/jsFileCompilationDecoratorSyntax.types

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=== tests/cases/compiler/a.js ===
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@internal class C { }
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>internal : any
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>C : C
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‎tests/cases/compiler/jsFileCompilationDecoratorSyntax.ts

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// @allowJs: true
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// @noEmit: true
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// @filename: a.js
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@internal class C { }

‎tests/cases/fourslash/getJavaScriptSemanticDiagnostics21.ts

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// @Filename: a.js
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//// @internal class C {}
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verify.getSemanticDiagnostics(`[
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{
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"message": "'decorators' can only be used in a .ts file.",
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"start": 0,
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"length": 9,
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"category": "error",
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"code": 8017
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}
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]`);
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verify.getSemanticDiagnostics(`[]`);

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