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Simplify isImplementation (#22660)

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This commit is contained in:
Andy
2018-03-19 11:59:22 -07:00
committed by GitHub
parent c7215a181c
commit 0df92a1ba1
1 changed files with 4 additions and 30 deletions
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34
src/services/findAllReferences.ts
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@@ -1681,36 +1681,10 @@ namespace ts.FindAllReferences.Core {
}
function isImplementation(node: Node): boolean {
if (!node) {
return false;
}
else if (isVariableLike(node) && hasInitializer(node)) {
return true;
}
else if (node.kind === SyntaxKind.VariableDeclaration) {
const parentStatement = getParentStatementOfVariableDeclaration(<VariableDeclaration>node);
return parentStatement && hasModifier(parentStatement, ModifierFlags.Ambient);
}
else if (isFunctionLike(node)) {
return !!(node as FunctionLikeDeclaration).body || hasModifier(node, ModifierFlags.Ambient);
}
else {
switch (node.kind) {
case SyntaxKind.ClassDeclaration:
case SyntaxKind.ClassExpression:
case SyntaxKind.EnumDeclaration:
case SyntaxKind.ModuleDeclaration:
return true;
}
}
return false;
}
function getParentStatementOfVariableDeclaration(node: VariableDeclaration): VariableStatement {
if (node.parent && node.parent.parent && node.parent.parent.kind === SyntaxKind.VariableStatement) {
Debug.assert(node.parent.kind === SyntaxKind.VariableDeclarationList);
return node.parent.parent;
}
return !!(node.flags & NodeFlags.Ambient)
|| (isVariableLike(node) ? hasInitializer(node)
: isFunctionLikeDeclaration(node) ? !!node.body
: isClassLike(node) || isModuleOrEnumDeclaration(node));
}
export function getReferenceEntriesForShorthandPropertyAssignment(node: Node, checker: TypeChecker, addReference: (node: Node) => void): void {