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perf(javascript): skip nested callables during fingerprint traversal (#1871)

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This commit is contained in:
cyanseek
2026-10-12 01:10:31 +08:00
committed by GitHub
parent e4ac7bbfc2
commit 097f0d54af
4 changed files with 63 additions and 12 deletions
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src/domain/javascript/javascriptSemanticFingerprints.ts
+2 -11
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@@ -73,7 +73,7 @@ export function* collectJavaScriptSemanticFingerprintsSteps(
const node = state.callableNodesById.get(callable.callableId);
if (node === undefined) continue;
yield;
const syntax = yield* fingerprintSyntaxSteps(node, callable.callableId);
const syntax = yield* fingerprintSyntaxSteps(node);
const promiseEffects = promiseEffectsByOwner.get(callable.callableId) ?? [];
const eventEffects = eventEffectsByOwner.get(callable.callableId) ?? [];
const timerEffects = timerEffectsByOwner.get(callable.callableId) ?? [];
@@ -164,28 +164,19 @@ interface FingerprintSyntax {
function* fingerprintSyntaxSteps(
root: t.Node,
targetCallableId: string,
): Generator<void, FingerprintSyntax> {
const normalizedTokens: string[] = [];
const controlFlowTokens: string[] = [];
const literals: string[] = [];
const callableStack: string[] = [];
yield* traverseJavaScriptAstSteps(root, {
skip: (node) => semanticCallableIdForNode(node) !== null,
enter: (node, parent) => {
const callableId = semanticCallableIdForNode(node);
if (callableId !== null) callableStack.push(callableId);
if (callableStack.at(-1) !== targetCallableId) return;
normalizedTokens.push(normalizedNodeToken(node, parent));
const control = controlFlowToken(node);
if (control !== null) controlFlowTokens.push(control);
const literal = semanticLiteral(node);
if (literal !== null) literals.push(literal);
},
exit: (node) => {
const callableId = semanticCallableIdForNode(node);
if (callableId !== null && callableStack.at(-1) === callableId)
callableStack.pop();
},
});
return { normalizedTokens, controlFlowTokens, literals };
}