b7a8e29d21
- VERSION file as authoritative version source - export.mjs reads VERSION with package.json fallback - bw-ota.ps1 DryRun mode for safe testing - auto-setup.ps1 bumped to v3.2.0 (Phase 8 OTA)
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
/**
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* metrics.js — 异步指标发射器 + 自动轮转 (P0-1)
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* 写入 debug/metrics-<category>.jsonl, >50MB 自动轮转保留 3 个
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*/
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'use strict';
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const fs = require('fs');
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const path = require('path');
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let CLAUDE_ROOT;
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try { CLAUDE_ROOT = require('./root.js'); } catch { CLAUDE_ROOT = path.resolve(__dirname, '..', '..'); }
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const METRICS_DIR = path.join(CLAUDE_ROOT, 'debug');
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const MAX_BYTES = 50 * 1024 * 1024;
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const KEEP_ROTATED = 3;
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function rotate(fp) {
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try {
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const s = fs.statSync(fp);
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if (s.size < MAX_BYTES) return;
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for (let i = KEEP_ROTATED; i >= 1; i--) {
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const dst = fp + '.' + i;
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if (i === KEEP_ROTATED) try { fs.unlinkSync(dst); } catch {}
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const src = i === 1 ? fp : fp + '.' + (i - 1);
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try { fs.renameSync(src, dst); } catch {}
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}
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} catch {}
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}
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function emit(category, data) {
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try {
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const fp = path.join(METRICS_DIR, 'metrics-' + category + '.jsonl');
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try { fs.mkdirSync(METRICS_DIR, { recursive: true }); } catch {}
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rotate(fp);
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const entry = Object.assign({ ts: new Date().toISOString() }, data);
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fs.appendFileSync(fp, JSON.stringify(entry) + '\n');
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} catch {}
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}
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module.exports = { emit, rotate };
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