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Check for undefined symbols

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This commit is contained in:
Mohamed Hegazy
2017-01-30 16:42:12 -08:00
parent e8a2173fee
commit 793d8be6e0
1 changed files with 2 additions and 2 deletions
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4
src/compiler/binder.ts
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@@ -2216,7 +2216,7 @@ namespace ts {
classPrototype.parent = leftSideOfAssignment;
let funcSymbol = container.locals.get(constructorFunction.text);
if (isDeclarationOfFunctionOrClassExpression(funcSymbol)) {
if (funcSymbol && isDeclarationOfFunctionOrClassExpression(funcSymbol)) {
funcSymbol = (funcSymbol.valueDeclaration as VariableDeclaration).initializer.symbol;
}
@@ -2246,7 +2246,7 @@ namespace ts {
target.parent = leftSideOfAssignment;
let funcSymbol = container.locals.get(target.text);
if (isDeclarationOfFunctionOrClassExpression(funcSymbol)) {
if (funcSymbol && isDeclarationOfFunctionOrClassExpression(funcSymbol)) {
funcSymbol = (funcSymbol.valueDeclaration as VariableDeclaration).initializer.symbol;
}