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⚡ Cache installation ID in memory to avoid repeated synchronous file reads #83

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⚡ Cache installation ID in memory to avoid repeated synchronous file reads #83

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7 changes: 7 additions & 0 deletions packages/core/src/utils/user_id.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,18 @@ function writeInstallationIdToFile(installationId: string) {
fs.writeFileSync(installationIdFile, installationId, 'utf-8');
}

let cachedInstallationId: string | null = null;

/**
* Retrieves the installation ID from a file, creating it if it doesn't exist.
* This ID is used for unique user installation tracking.
* @returns A UUID string for the user.
*/
export function getInstallationId(): string {
if (cachedInstallationId) {
return cachedInstallationId;
}

try {
ensureGeminiDirExists();
let installationId = readInstallationIdFromFile();
Expand All @@ -47,6 +53,7 @@ export function getInstallationId(): string {
writeInstallationIdToFile(installationId);
}

cachedInstallationId = installationId;
return installationId;
} catch (error) {
console.error(
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