41 lines
1.0 KiB
JavaScript
41 lines
1.0 KiB
JavaScript
import { promises as fs } from 'fs';
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import path from 'path';
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import { randomUUID } from 'crypto';
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import { fileURLToPath } from 'url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const backendDir = path.resolve(__dirname, '..', '..');
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const dataDir = path.join(backendDir, 'data');
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const dataFile = path.join(dataDir, 'instance.json');
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async function ensureDir() {
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await fs.mkdir(dataDir, { recursive: true });
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}
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export async function createInstanceId() {
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await ensureDir();
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const instanceId = randomUUID();
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const payload = {
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instanceId,
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startedAt: new Date().toISOString()
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};
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await fs.writeFile(dataFile, JSON.stringify(payload, null, 2), 'utf-8');
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return payload;
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}
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export async function readInstanceId() {
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await ensureDir();
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try {
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const raw = await fs.readFile(dataFile, 'utf-8');
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const parsed = JSON.parse(raw);
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if (parsed?.instanceId) {
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return parsed;
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}
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} catch {
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// ignore and recreate below
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}
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return createInstanceId();
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}
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