1 | import * as log4js from './log4js';
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2 |
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3 | log4js.configure('./filename');
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4 | const logger1 = log4js.getLogger();
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5 | logger1.level = 'debug';
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6 | logger1.debug("Some debug messages");
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7 | logger1.fatal({
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8 | whatever: 'foo'
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9 | })
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10 |
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11 | const logger3 = log4js.getLogger('cheese');
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12 | logger3.trace('Entering cheese testing');
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13 | logger3.debug('Got cheese.');
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14 | logger3.info('Cheese is Gouda.');
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15 | logger3.warn('Cheese is quite smelly.');
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16 | logger3.error('Cheese is too ripe!');
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17 | logger3.fatal('Cheese was breeding ground for listeria.');
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18 |
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19 | log4js.configure({
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20 | appenders: { cheese: { type: 'console', filename: 'cheese.log' } },
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21 | categories: { default: { appenders: ['cheese'], level: 'error' } }
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22 | });
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23 |
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24 | log4js.configure({
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25 | appenders: {
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26 | out: { type: 'file', filename: 'pm2logs.log' }
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27 | },
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28 | categories: {
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29 | default: { appenders: ['out'], level: 'info' }
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30 | },
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31 | pm2: true,
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32 | pm2InstanceVar: 'INSTANCE_ID'
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33 | });
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34 |
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35 | log4js.addLayout('json', config => function (logEvent) {
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36 | return JSON.stringify(logEvent) + config.separator;
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37 | });
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38 |
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39 | log4js.configure({
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40 | appenders: {
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41 | out: { type: 'stdout', layout: { type: 'json', separator: ',' } }
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42 | },
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43 | categories: {
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44 | default: { appenders: ['out'], level: 'info' }
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45 | }
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46 | });
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47 |
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48 | log4js.configure({
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49 | appenders: {
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50 | file: { type: 'dateFile', filename: 'thing.log', pattern: '.mm' }
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51 | },
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52 | categories: {
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53 | default: { appenders: ['file'], level: 'debug' }
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54 | }
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55 | });
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56 |
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57 | const logger4 = log4js.getLogger('thing');
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58 | logger4.log('logging a thing');
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59 |
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60 | const logger5 = log4js.getLogger('json-test');
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61 | logger5.info('this is just a test');
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62 | logger5.error('of a custom appender');
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63 | logger5.warn('that outputs json');
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64 | log4js.shutdown();
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65 |
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66 | log4js.configure({
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67 | appenders: {
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68 | cheeseLogs: { type: 'file', filename: 'cheese.log' },
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69 | console: { type: 'console' }
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70 | },
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71 | categories: {
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72 | cheese: { appenders: ['cheeseLogs'], level: 'error' },
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73 | another: { appenders: ['console'], level: 'trace' },
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74 | default: { appenders: ['console', 'cheeseLogs'], level: 'trace' }
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75 | }
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76 | });
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77 |
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78 | const logger6 = log4js.getLogger('cheese');
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79 | // only errors and above get logged.
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80 | const otherLogger = log4js.getLogger();
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81 |
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82 | // this will get coloured output on console, and appear in cheese.log
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83 | otherLogger.error('AAArgh! Something went wrong', { some: 'otherObject', useful_for: 'debug purposes' });
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84 | otherLogger.log('This should appear as info output');
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85 |
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86 | // these will not appear (logging level beneath error)
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87 | logger6.trace('Entering cheese testing');
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88 | logger6.debug('Got cheese.');
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89 | logger6.info('Cheese is Gouda.');
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90 | logger6.log('Something funny about cheese.');
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91 | logger6.warn('Cheese is quite smelly.');
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92 | // these end up only in cheese.log
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93 | logger6.error('Cheese %s is too ripe!', 'gouda');
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94 | logger6.fatal('Cheese was breeding ground for listeria.');
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95 |
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96 | // these don't end up in cheese.log, but will appear on the console
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97 | const anotherLogger = log4js.getLogger('another');
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98 | anotherLogger.debug('Just checking');
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99 |
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100 | // will also go to console and cheese.log, since that's configured for all categories
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101 | const pantsLog = log4js.getLogger('pants');
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102 | pantsLog.debug('Something for pants');
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103 |
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104 |
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105 | import { configure, getLogger } from './log4js';
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106 | configure('./filename');
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107 | const logger2 = getLogger();
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108 | logger2.level = 'debug';
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109 | logger2.debug("Some debug messages");
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110 |
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111 | configure({
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112 | appenders: { cheese: { type: 'file', filename: 'cheese.log' } },
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113 | categories: { default: { appenders: ['cheese'], level: 'error' } }
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114 | });
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115 |
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116 | log4js.configure('./filename').getLogger();
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117 | const logger7 = log4js.getLogger();
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118 | logger7.level = 'debug';
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119 | logger7.debug("Some debug messages");
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120 |
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121 | const levels: log4js.Levels = log4js.levels;
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122 | const level: log4js.Level = levels.getLevel('info');
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123 |
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124 | log4js.connectLogger(logger1, {
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125 | format: ':x, :y',
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126 | level: 'info',
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127 | context: true
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128 | });
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129 |
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130 | log4js.connectLogger(logger2, {
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131 | format: (req, _res, format) => format(`:remote-addr - ${req.id} - ":method :url HTTP/:http-version" :status :content-length ":referrer" ":user-agent"`)
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132 | });
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133 |
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134 | //support for passing in an appender module
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135 | log4js.configure({
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136 | appenders: { thing: { type: { configure: () => {} }}},
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137 | categories: { default: { appenders: ['thing'], level: 'debug'}}
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138 | });
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