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34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
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const winston = require('winston');
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const util = require('util');
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const isDev = require('electron-is-dev');
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const { app } = require('electron');
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const { join } = require('path');
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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) {
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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 = isDev ? '.' : app.getPath('userData');
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const logger = createLogger();
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logger.add(new winston.transports.File({ level: 'debug', filename: join(logDirPath, 'app.log'), options: { flags: 'a' } }));
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if (isDev) logger.add(new winston.transports.Console());
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module.exports = logger;
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