1 | class LoggerComponent {
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2 | constructor (context) {
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3 | this._context = context
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4 | this.init()
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5 | }
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6 |
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7 | init () {
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8 | this._logger = console
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9 | }
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10 |
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11 | getLogger () {
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12 | return this._logger
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13 | }
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14 | }
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15 |
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16 | class DecoratedContextLogger {
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17 | constructor (logger, logContextName) {
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18 | this._context = logContextName
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19 | this._logger = logger
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20 | }
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21 |
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22 | log (level, log, data) {
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23 | this._logger.log(level, '[' + this._context + '] ' + log, data)
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24 | }
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25 |
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26 | view (data) {
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27 | var dataObj = {}
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28 | if (typeof data !== 'undefined' && data !== null) {
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29 | dataObj.data = data
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30 | }
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31 | this._logger.log('info', '[' + this._context + '] ', dataObj)
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32 | }
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33 |
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34 | info (log, data) {
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35 | var dataObj = {}
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36 | if (typeof data !== 'undefined' && data !== null) {
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37 | dataObj.data = data
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38 | }
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39 | this._logger.log('info', '[' + this._context + '] ' + log, dataObj)
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40 | }
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41 |
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42 | warn (log, data) {
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43 | var dataObj = {}
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44 | if (typeof data !== 'undefined' && data != null) {
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45 | dataObj.data = data
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46 | }
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47 | this._logger.log('warn', '[' + this._context + '] ' + log, dataObj)
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48 | }
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49 |
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50 | error (log, exception, data) {
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51 | var dataObj = {}
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52 | if (typeof data !== 'undefined' && data != null) {
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53 | dataObj.data = data
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54 | }
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55 | if (typeof exception !== 'undefined' && exception != null) {
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56 | dataObj.ex = exception
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57 | }
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58 | this._logger.log('error', '[' + this._context + '] ' + log, {
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59 | stackTrace: exception.stack,
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60 | data: dataObj.data
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61 | })
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62 | }
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63 |
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64 | debug (log, data) {
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65 | var dataObj = {}
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66 | if (typeof data !== 'undefined' && data != null) {
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67 | dataObj.data = data
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68 | }
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69 | this._logger.log('debug', '[' + this._context + '] ' + log, dataObj)
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70 | }
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71 | }
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72 |
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73 | class LogManager {
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74 | constructor (loggerComponent) {
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75 | this._loggerComponent = loggerComponent
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76 | }
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77 |
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78 | getLogger (logContextName) {
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79 | var decoratedLogger = new DecoratedContextLogger(this._loggerComponent.getLogger(), logContextName)
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80 | return decoratedLogger
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81 | }
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82 | }
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83 |
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84 | export default {
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85 | configure: function configure (context) {
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86 | var contextLoggerComponent = new LoggerComponent(context)
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87 | return new LogManager(contextLoggerComponent)
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88 | }
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89 | }
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