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Add constructor functions for {Symbol,Node}Links #36845

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Merged
Nathan Shively-Sanders (sandersn) merged 1 commit into from
Mar 11, 2020
Merged

Add constructor functions for {Symbol,Node}Links #36845

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11 changes: 9 additions & 2 deletions src/compiler/checker.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,13 @@ namespace ts {
ExportNamespace = 1 << 2,
}

function SymbolLinks(this: SymbolLinks) {
}

function NodeLinks(this: NodeLinks) {
this.flags = 0;
}

export function getNodeId(node: Node): number {
if (!node.id) {
node.id = nextNodeId;
Expand Down Expand Up @@ -1255,12 +1262,12 @@ namespace ts {
function getSymbolLinks(symbol: Symbol): SymbolLinks {
if (symbol.flags & SymbolFlags.Transient) return <TransientSymbol>symbol;
const id = getSymbolId(symbol);
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return symbolLinks[id] || (symbolLinks[id] = {});
return symbolLinks[id] || (symbolLinks[id] = new (<any>SymbolLinks)());
}

function getNodeLinks(node: Node): NodeLinks {
const nodeId = getNodeId(node);
return nodeLinks[nodeId] || (nodeLinks[nodeId] = { flags: 0 } as NodeLinks);
return nodeLinks[nodeId] || (nodeLinks[nodeId] = new (<any>NodeLinks)());
}

function isGlobalSourceFile(node: Node) {
Expand Down