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Helpful error message for @dec export class

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This commit is contained in:
Peeyush Kushwaha 2017-06-23 02:19:08 +05:30
parent f976bdd21c
commit add8e4ad13
2 changed files with 6 additions and 1 deletions
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5
src/parser/statement.js
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@ -173,6 +173,11 @@ export default class StatementParser extends ExpressionParser {
return;
}
// special error for the common case of @dec export class
if (!allowExport && this.match(tt._export)) {
this.raise(this.state.start, "Using the export keyword between decorators and class is disallowed. Please use `export @dec class` instead");
}
if (!this.match(tt._class)) {
this.raise(this.state.start, "Leading decorators must be attached to a class declaration");
}

2
test/fixtures/experimental/decorators-2/no-export-decorators-on-class/options.json vendored
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@ -1,4 +1,4 @@
{
"sourceType": "module",
"throws": "Leading decorators must be attached to a class declaration (2:0)"
"throws": "Using the export keyword between decorators and class is disallowed. Please use `export @dec class` instead (2:0)"
}