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Refactor logger.js

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Tyler Long
2017-09-09 15:16:15 +08:00
parent 873f7a591b
commit c071503f19
1 changed files with 16 additions and 60 deletions
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76
src/logger.js
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@@ -1,54 +1,18 @@
/** import moment from 'moment'
* #logger
* logger = require('logger').create()
* logger.info("blah")
* => [2011-3-3T20:24:4.810 info (5021)] blah
* logger.debug("boom")
* =>
* logger.level = Logger.levels.debug
* logger.debug(function() { return "booom" })
* => [2011-3-3T20:24:4.810 error (5021)] booom
*/
function formatTime (timestamp) { const format = (level) => {
var hh = timestamp.getUTCHours() const time = moment().format('HH:mm:ss (SSS)')
var mm = timestamp.getUTCMinutes() return `%c ${time} :%c${level}: `
var ss = timestamp.getSeconds()
var ms = timestamp.getMilliseconds()
// If you were building a timestamp instead of a duration, you would uncomment the following line to get 12-hour (not 24) time
// if (hh > 12) {hh = hh % 12;}
// These lines ensure you have two-digits
if (hh < 10) {
hh = '0' + hh
}
if (mm < 10) {
mm = '0' + mm
}
if (ss < 10) {
ss = '0' + ss
}
if (ms < 100) {
ms = '0' + ms
}
if (ms < 10) {
ms = '00' + ms
}
// This formats your string to HH:MM:SS
var t = hh + ':' + mm + ':' + ss + ' (' + ms + ')'
return t
} }
function format (level) { export const Log = {
const time = formatTime(new Date()) debug: () => {},
return '%c ' + time + ' :%c' + level + ': ' info: () => {},
warn: () => {},
error: () => {},
fatal: () => {}
} }
var debug = function () { }
var info = function () { }
var warn = function () { }
var error = function () { }
var fatal = function () { }
/** /**
* logLevel , decides the amount of logging to be used. * logLevel , decides the amount of logging to be used.
* * debug: 1 * * debug: 1
@@ -57,28 +21,20 @@ var fatal = function () { }
* * error: 4 * * error: 4
* * fatal: 5 * * fatal: 5
*/ */
exports.setLogLevel = function (level) { export const setLogLevel = function (level) {
if (level < 6) { if (level < 6) {
exports.Log.fatal = console.log.bind(console, format('FATAL'), 'color:grey;', 'color: red;') Log.fatal = console.log.bind(console, format('FATAL'), 'color:grey;', 'color: red;')
} }
if (level < 5) { if (level < 5) {
exports.Log.error = console.log.bind(console, format('ERROR'), 'color:grey;', 'color: red;') Log.error = console.log.bind(console, format('ERROR'), 'color:grey;', 'color: red;')
} }
if (level < 4) { if (level < 4) {
exports.Log.warn = console.log.bind(console, format('WARN'), 'color:grey;', 'color: orange;') Log.warn = console.log.bind(console, format('WARN'), 'color:grey;', 'color: orange;')
} }
if (level < 3) { if (level < 3) {
exports.Log.info = console.log.bind(console, format('INFO'), 'color:grey;', 'color: info;') Log.info = console.log.bind(console, format('INFO'), 'color:grey;', 'color: info;')
} }
if (level < 2) { if (level < 2) {
exports.Log.debug = console.log.bind(console, format('DEBUG'), 'color:grey;', 'color: green;') Log.debug = console.log.bind(console, format('DEBUG'), 'color:grey;', 'color: green;')
} }
} }
exports.Log = {
debug: debug,
info: info,
warn: warn,
error: error,
fatal: fatal
}