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Readonly properties in classes are considered immutable locations

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This commit is contained in:
Anders Hejlsberg
2016-09-02 09:48:55 -07:00
parent b3c9571d6f
commit 6ae71cb7ed
1 changed files with 1 additions and 1 deletions
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src/compiler/checker.ts
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@@ -3086,7 +3086,7 @@ namespace ts {
// Use the type of the initializer expression if one is present
if (declaration.initializer) {
const exprType = checkExpressionCached(declaration.initializer);
const type = getCombinedNodeFlags(declaration) & NodeFlags.Const ? exprType : getBaseTypeOfLiteralType(exprType);
const type = getCombinedNodeFlags(declaration) & (NodeFlags.Const | NodeFlags.Readonly) ? exprType : getBaseTypeOfLiteralType(exprType);
return addOptionality(type, /*optional*/ declaration.questionToken && includeOptionality);
}