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Mark property referenced in the destructuring as referenced

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Fixes #11324
This commit is contained in:
Sheetal Nandi
2016-11-02 11:08:34 -07:00
parent 116c87819a
commit 13e8f7fada
4 changed files with 76 additions and 29 deletions
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28
src/compiler/checker.ts
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@@ -11504,6 +11504,21 @@ namespace ts {
diagnostics.add(createDiagnosticForNodeFromMessageChain(propNode, errorInfo));
}
function markPropertyAsReferenced(prop: Symbol) {
if (prop &&
noUnusedIdentifiers &&
(prop.flags & SymbolFlags.ClassMember) &&
prop.valueDeclaration && (getModifierFlags(prop.valueDeclaration) & ModifierFlags.Private)) {
if (prop.flags & SymbolFlags.Instantiated) {
getSymbolLinks(prop).target.isReferenced = true;
}
else {
prop.isReferenced = true;
}
}
}
function checkPropertyAccessExpressionOrQualifiedName(node: PropertyAccessExpression | QualifiedName, left: Expression | QualifiedName, right: Identifier) {
const type = checkNonNullExpression(left);
if (isTypeAny(type) || type === silentNeverType) {
@@ -11523,17 +11538,7 @@ namespace ts {
return unknownType;
}
if (noUnusedIdentifiers &&
(prop.flags & SymbolFlags.ClassMember) &&
prop.valueDeclaration && (getModifierFlags(prop.valueDeclaration) & ModifierFlags.Private)) {
if (prop.flags & SymbolFlags.Instantiated) {
getSymbolLinks(prop).target.isReferenced = true;
}
else {
prop.isReferenced = true;
}
}
markPropertyAsReferenced(prop);
getNodeLinks(node).resolvedSymbol = prop;
@@ -16323,6 +16328,7 @@ namespace ts {
const parentType = getTypeForBindingElementParent(parent);
const name = node.propertyName || <Identifier>node.name;
const property = getPropertyOfType(parentType, getTextOfPropertyName(name));
markPropertyAsReferenced(property);
if (parent.initializer && property && getParentOfSymbol(property)) {
checkClassPropertyAccess(parent, parent.initializer, parentType, property);
}