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Add debug fail when getting parameter-property declaration

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Yui T
2015-12-16 16:24:18 -08:00
parent ddbf1030ff
commit 479f7af4df
1 changed files with 5 additions and 1 deletions
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6
src/compiler/checker.ts
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@@ -442,7 +442,11 @@ namespace ts {
const parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, SymbolFlags.Value);
const propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, SymbolFlags.Value);
return parameterSymbol && propertySymbol ? [parameterSymbol, propertySymbol] : undefined;
if (parameterSymbol && propertySymbol) {
return [parameterSymbol, propertySymbol];
}
Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration");
}
function isBlockScopedNameDeclaredBeforeUse(declaration: Declaration, usage: Node): boolean {