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perf(javascript): index change-graph nodes once per comparison

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Resolve each compared graph node through a per-side index while preserving right-hand evidence selection and complete comparison results.

Refs #1065.

Co-authored-by: keemsisi <7439375+keemsisi@users.noreply.github.com>
This commit is contained in:
keemsisiandkeemsisi authored and GitHub committed 2026-10-10 13:21:13 +08:00
1 parent eeb83f6581
commit 33b9b31a6f
2 files changed
+124 -8
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src/domain/javascript/javascriptApplicationChangeGraph.ts
+17 -8
View File
@@ -53,8 +53,14 @@ export const buildJavaScriptApplicationChangeGraph = (
({ source_node_id: source, target_node_id: target }) =>
retained.has(source) && retained.has(target),
);
const leftById = new Map(
input.left.nodes.map((node) => [node.node_id, node]),
);
const rightById = new Map(
input.right.nodes.map((node) => [node.node_id, node]),
);
const comparisonEdges = input.items.flatMap((item) =>
changedFromEdge(item, input, retained),
changedFromEdge(item, input, retained, leftById, rightById),
);
const candidateEdges = uniqueEdges([...sourceEdges, ...comparisonEdges]);
const rootNodeIds = preferredRoots.filter((nodeId) => retained.has(nodeId));
@@ -104,6 +110,8 @@ const changedFromEdge = (
item: ApplicationVersionComparisonItem,
input: ChangeGraphInput,
retained: ReadonlySet<string>,
leftById: ReadonlyMap<string, ApplicationNode>,
rightById: ReadonlyMap<string, ApplicationNode>,
): ApplicationEdge[] => {
const left = item.left_node_id;
const right = item.right_node_id;
@@ -117,7 +125,12 @@ const changedFromEdge = (
!retained.has(right)
)
return [];
const evidence = comparisonEvidence(item, input);
const evidence = comparisonEvidence(
item,
input,
leftById.get(left),
rightById.get(right),
);
return [
createJavaScriptApplicationEdge({
source_node_id: right,
@@ -138,13 +151,9 @@ const changedFromEdge = (
const comparisonEvidence = (
item: ApplicationVersionComparisonItem,
input: ChangeGraphInput,
left: ApplicationNode | undefined,
right: ApplicationNode | undefined,
): ApplicationGraphEvidence => {
const right = input.right.nodes.find(
({ node_id: id }) => id === item.right_node_id,
);
const left = input.left.nodes.find(
({ node_id: id }) => id === item.left_node_id,
);
const source =
right?.observations[0]?.evidence ?? left?.observations[0]?.evidence;
const complete =