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perf(core): cache Windows PATH normalization snapshot

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This commit is contained in:
Sakuranda 2026-03-11 20:49:31 +08:00
parent 8b283a039b
commit 277b1d02df
1 changed files with 21 additions and 1 deletions
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22
packages/core/src/services/shellExecutionService.ts
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@ -22,6 +22,8 @@ const { Terminal } = pkg;
const SIGKILL_TIMEOUT_MS = 200;
const WINDOWS_PATH_DELIMITER = ';';
let cachedWindowsPathFingerprint: string | undefined;
let cachedMergedWindowsPath: string | undefined;
function mergeWindowsPathValues(
env: NodeJS.ProcessEnv,
@ -50,6 +52,15 @@ function mergeWindowsPathValues(
: undefined;
}
function getWindowsPathFingerprint(
env: NodeJS.ProcessEnv,
pathKeys: string[],
): string {
return pathKeys
.map((key) => `${key}=${env[key] ?? ''}`)
.join('\0');
}
function normalizePathEnvForWindows(
env: NodeJS.ProcessEnv,
): NodeJS.ProcessEnv {
@ -76,7 +87,16 @@ function normalizePathEnvForWindows(
return left.localeCompare(right);
});
const canonicalValue = mergeWindowsPathValues(normalized, orderedPathKeys);
const fingerprint = getWindowsPathFingerprint(normalized, orderedPathKeys);
const canonicalValue =
fingerprint === cachedWindowsPathFingerprint
? cachedMergedWindowsPath
: mergeWindowsPathValues(normalized, orderedPathKeys);
if (fingerprint !== cachedWindowsPathFingerprint) {
cachedWindowsPathFingerprint = fingerprint;
cachedMergedWindowsPath = canonicalValue;
}
for (const key of pathKeys) {
if (key !== 'PATH') {