Add Javascript declarations to index constraint check error reporting #15586
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Now Javascript-style declarations like `this.foo = "bar"` are handled correctly.
mhegazy
reviewed
May 4, 2017
| @@ -20233,7 +20233,10 @@ namespace ts { | |||
| // perform property check if property or indexer is declared in 'type' | |||
| // this allows to rule out cases when both property and indexer are inherited from the base class | |||
| let errorNode: Node; | |||
| if (propDeclaration && (propDeclaration.name.kind === SyntaxKind.ComputedPropertyName || prop.parent === containingType.symbol)) { | |||
| if (propDeclaration && | |||
| (getSpecialPropertyAssignmentKind(propDeclaration as BinaryExpression) === SpecialPropertyAssignmentKind.ThisProperty || | |||
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consider moving this to the end of the check
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It actually needs to come first because JS-style assignments should not hit the computed property check. It won't be very expensive because most declarations are not in javascript files and even there, most declarations are not JS-style assignment declarations.
mhegazy
approved these changes
May 4, 2017
|
@sandersn, Please port this to release-2.3 |
|
I'll look into normalising use of |
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It's merged into 2.3 now. |
TysonAndre
reviewed
May 8, 2017
| if (propDeclaration && (propDeclaration.name.kind === SyntaxKind.ComputedPropertyName || prop.parent === containingType.symbol)) { | ||
| if (propDeclaration && | ||
| (getSpecialPropertyAssignmentKind(propDeclaration as BinaryExpression) === SpecialPropertyAssignmentKind.ThisProperty || | ||
| propDeclaration.name.kind === SyntaxKind.ComputedPropertyName || |
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This may crash if propDeclaration.name is undefined.
see #15681
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Now Javascript-style declarations like
this.foo = "bar"are handledcorrectly and errors will be reported on the declaration correctly. Previously the code would check the computed property name case and crash because Javascript-style declarations have no
nameproperty.Fixes #15525