mirror of
https://github.com/log4js-node/log4js-node.git
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111 lines
3.2 KiB
TypeScript
111 lines
3.2 KiB
TypeScript
import * as log4js from './log4js';
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log4js.configure('./filename');
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const logger1 = log4js.getLogger();
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logger1.level = 'debug';
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logger1.debug("Some debug messages");
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const logger3 = log4js.getLogger('cheese');
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logger3.trace('Entering cheese testing');
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logger3.debug('Got cheese.');
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logger3.info('Cheese is Gouda.');
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logger3.warn('Cheese is quite smelly.');
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logger3.error('Cheese is too ripe!');
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logger3.fatal('Cheese was breeding ground for listeria.');
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log4js.configure({
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appenders: { cheese: { type: 'console', filename: 'cheese.log' } },
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categories: { default: { appenders: ['cheese'], level: 'error' } }
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});
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log4js.configure({
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appenders: {
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out: { type: 'file', filename: 'pm2logs.log' }
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},
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categories: {
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default: { appenders: ['out'], level: 'info' }
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},
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pm2: true,
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pm2InstanceVar: 'INSTANCE_ID'
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});
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log4js.addLayout('json', config => function (logEvent) {
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return JSON.stringify(logEvent) + config.separator;
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});
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log4js.configure({
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appenders: {
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out: { type: 'stdout', layout: { type: 'json', separator: ',' } }
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},
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categories: {
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default: { appenders: ['out'], level: 'info' }
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}
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});
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log4js.configure({
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appenders: {
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file: { type: 'dateFile', filename: 'thing.log', pattern: '.mm' }
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},
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categories: {
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default: { appenders: ['file'], level: 'debug' }
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}
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});
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const logger4 = log4js.getLogger('thing');
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const logger5 = log4js.getLogger('json-test');
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logger5.info('this is just a test');
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logger5.error('of a custom appender');
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logger5.warn('that outputs json');
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log4js.shutdown(() => { });
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log4js.configure({
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appenders: {
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cheeseLogs: { type: 'file', filename: 'cheese.log' },
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console: { type: 'console' }
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},
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categories: {
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cheese: { appenders: ['cheeseLogs'], level: 'error' },
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another: { appenders: ['console'], level: 'trace' },
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default: { appenders: ['console', 'cheeseLogs'], level: 'trace' }
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}
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});
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const logger6 = log4js.getLogger('cheese');
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// only errors and above get logged.
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const otherLogger = log4js.getLogger();
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// this will get coloured output on console, and appear in cheese.log
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otherLogger.error('AAArgh! Something went wrong', { some: 'otherObject', useful_for: 'debug purposes' });
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otherLogger.log('This should appear as info output');
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// these will not appear (logging level beneath error)
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logger6.trace('Entering cheese testing');
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logger6.debug('Got cheese.');
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logger6.info('Cheese is Gouda.');
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logger6.log('Something funny about cheese.');
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logger6.warn('Cheese is quite smelly.');
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// these end up only in cheese.log
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logger6.error('Cheese %s is too ripe!', 'gouda');
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logger6.fatal('Cheese was breeding ground for listeria.');
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// these don't end up in cheese.log, but will appear on the console
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const anotherLogger = log4js.getLogger('another');
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anotherLogger.debug('Just checking');
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// will also go to console and cheese.log, since that's configured for all categories
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const pantsLog = log4js.getLogger('pants');
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pantsLog.debug('Something for pants');
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import { configure, getLogger } from './log4js';
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configure('./filename');
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const logger2 = getLogger();
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logger2.level = 'debug';
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logger2.debug("Some debug messages");
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configure({
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appenders: { cheese: { type: 'file', filename: 'cheese.log' } },
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categories: { default: { appenders: ['cheese'], level: 'error' } }
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});
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