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39 lines
1.3 KiB
TypeScript
39 lines
1.3 KiB
TypeScript
import winston from 'winston';
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import util from 'node:util';
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// eslint-disable-next-line import/no-extraneous-dependencies
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import { app } from 'electron';
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import { join } from 'node:path';
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// eslint-disable-next-line import/no-extraneous-dependencies
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import type { TransformableInfo } from 'logform';
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// https://mifi.no/blog/winston-electron-logger/
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// https://github.com/winstonjs/winston/issues/1427
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const combineMessageAndSplat = () => ({
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transform(info: TransformableInfo) {
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// @ts-expect-error todo
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const { [Symbol.for('splat')]: args = [], message } = info;
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// eslint-disable-next-line no-param-reassign
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info.message = util.format(message, ...args);
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return info;
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},
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});
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const createLogger = () => winston.createLogger({
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format: winston.format.combine(
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winston.format.timestamp(),
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combineMessageAndSplat(),
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winston.format.printf((info) => `${info['timestamp']} ${info.level}: ${info.message}`),
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),
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});
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const logDirPath = app.isPackaged ? app.getPath('userData') : '.';
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export const logFilePath = join(logDirPath, 'app.log');
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const logger = createLogger();
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logger.add(new winston.transports.Console());
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logger.add(new winston.transports.File({ level: 'debug', filename: logFilePath, options: { flags: 'a' }, maxsize: 1e6, maxFiles: 100, tailable: true }));
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export default logger;
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