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Restore earlier behaviour when parsing non-simple arrow function bodies

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This commit is contained in:
Caitlin Potter 2015-03-11 16:40:31 -04:00
parent bd828e3024
commit 3dc5faf707
1 changed files with 5 additions and 8 deletions
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13
src/compiler/parser.ts
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@ -3046,14 +3046,11 @@ module ts {
// If we have an arrow, then try to parse the body. Even if not, try to parse if we
// have an opening brace, just in case we're in an error state.
arrowFunction.equalsGreaterThanToken = parseExpectedToken(SyntaxKind.EqualsGreaterThanToken, false, Diagnostics._0_expected, "=>");
if (arrowFunction.equalsGreaterThanToken.kind === SyntaxKind.EqualsGreaterThanToken || token === SyntaxKind.OpenBraceToken) {
arrowFunction.body = parseArrowFunctionExpressionBody();
}
else {
// If not, we're probably better off bailing out and returning a bogus function expression.
arrowFunction.body = parseIdentifier();
}
var lastToken = token;
arrowFunction.equalsGreaterThanToken = parseExpectedToken(SyntaxKind.EqualsGreaterThanToken, /*reportAtCurrentPosition:*/false, Diagnostics._0_expected, "=>");
arrowFunction.body = (lastToken === SyntaxKind.EqualsGreaterThanToken || lastToken === SyntaxKind.OpenBraceToken)
? parseArrowFunctionExpressionBody()
: parseIdentifier();
return finishNode(arrowFunction);
}