38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
const fs = require('fs');
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const path = require('path');
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const pino = require('pino');
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const LOG_FILE = path.join(__dirname, '..', 'compress.log');
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const logger = pino({
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level: process.env.LOG_LEVEL || 'info',
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transport: process.env.NODE_ENV !== 'production' ? {
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target: 'pino/file',
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options: { destination: 1 },
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} : undefined,
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});
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const MAX_LOG_BYTES = 5 * 1024 * 1024; // rotate at 5MB, keep one previous file
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function logToFile(text) {
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const ts = new Date().toISOString();
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const line = `[${ts}] ${text}\n`;
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fs.stat(LOG_FILE, (statErr, st) => {
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if (!statErr && st.size > MAX_LOG_BYTES) {
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try { fs.renameSync(LOG_FILE, LOG_FILE + '.1'); } catch {}
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}
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fs.appendFile(LOG_FILE, line, (err) => {
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if (err) logger.warn({ error: err.message }, 'logToFile failed');
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});
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});
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}
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module.exports = {
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info: (msg, meta) => meta ? logger.info(meta, msg) : logger.info(msg),
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warn: (msg, meta) => meta ? logger.warn(meta, msg) : logger.warn(msg),
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error: (msg, meta) => meta ? logger.error(meta, msg) : logger.error(msg),
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debug: (msg, meta) => meta ? logger.debug(meta, msg) : logger.debug(msg),
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logToFile,
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logger,
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};
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