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Parse right-hand-side of for/of as an assignment expression (#9767)

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Daniel Tschinder 2019-03-25 18:14:56 -07:00 committed by GitHub
parent 2867bbf195
commit 7f4427432c
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4 changed files with 9 additions and 8 deletions
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5
packages/babel-parser/src/parser/statement.js
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@ -951,7 +951,10 @@ export default class StatementParser extends ExpressionParser {
node.await = awaitAt > -1; node.await = awaitAt > -1;
} }
node.left = init; node.left = init;
node.right = this.parseExpression(); node.right =
type === "ForInStatement"
? this.parseExpression()
: this.parseMaybeAssign();
this.expect(tt.parenR); this.expect(tt.parenR);
node.body = node.body =

1
packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/input.js vendored Normal file
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@ -0,0 +1 @@
for (let x of y, z) {}

3
packages/babel-parser/test/fixtures/es2015/for-of/invalid-expr/options.json vendored Normal file
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@ -0,0 +1,3 @@
{
"throws": "Unexpected token, expected \")\" (1:15)"
}

8
scripts/tests/test262/test262_whitelist.txt
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@ -708,10 +708,4 @@ language/statements/for-in/dstr/array-rest-elision-invalid.js(strict mode)
language/statements/for-of/dstr/array-rest-before-elision.js(default) language/statements/for-of/dstr/array-rest-before-elision.js(default)
language/statements/for-of/dstr/array-rest-before-elision.js(strict mode) language/statements/for-of/dstr/array-rest-before-elision.js(strict mode)
language/statements/for-of/dstr/array-rest-elision-invalid.js(default) language/statements/for-of/dstr/array-rest-elision-invalid.js(default)
language/statements/for-of/dstr/array-rest-elision-invalid.js(strict mode) language/statements/for-of/dstr/array-rest-elision-invalid.js(strict mode)
language/statements/for-of/head-decl-no-expr.js(default)
language/statements/for-of/head-decl-no-expr.js(strict mode)
language/statements/for-of/head-expr-no-expr.js(default)
language/statements/for-of/head-expr-no-expr.js(strict mode)
language/statements/for-of/head-var-no-expr.js(default)
language/statements/for-of/head-var-no-expr.js(strict mode)