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1
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var term = require('terminal-kit').terminal; |
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2
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var moment = require('moment'); |
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3
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var stringz = require('stringz'); // for emoji support ❤️ |
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4
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5
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// keep the native pipe to stdout & stderr |
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6
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module.exports.nativeLog = global.console.log; |
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7
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module.exports.nativeError = global.console.error; |
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8
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9
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// enables or disables certain types of logging |
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10
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var loggerTypes = {} |
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11
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module.exports.enable = type => { |
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12
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module.exports.options.styles[type] = module.exports.options.styles[type] || [term, module.exports.nativeLog]; |
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13
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loggerTypes[type] = true; |
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14
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}; |
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15
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module.exports.disable = type => loggerTypes[type] = false; |
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16
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module.exports.isEnabled = type => loggerTypes[type]; |
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17
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18
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module.exports.options = { |
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19
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typePadding: ' ', // dictates the width of the type prefix |
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20
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styles: { // contains term styles for the various prefixes |
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21
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error: [term.error.bgRed.white, module.exports.nativeError], |
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22
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warn: [term.error.bgYellow.white, module.exports.nativeError], |
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23
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info: [term, module.exports.nativeLog], |
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24
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debug: [term, module.exports.nativeLog], |
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25
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success: [term.bgGreen.white, module.exports.nativeLog] |
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26
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}, |
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27
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// a function that takes a date and returns a string |
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28
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// used to print the date in the prefix |
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29
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dateFormatter: date => moment(date).format("D/M/YY HH:mm:ss.SSS") |
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30
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} |
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31
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32
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var getLogTypePrefix = type => ` [${type}] ${module.exports.options.typePadding.substring(stringz.length(type) + 4)}`; |
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33
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var getPrefix = type => getLogTypePrefix(type) + module.exports.options.dateFormatter(new Date()) + " "; |
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34
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module.exports.printPrefix = (type, t = term) => {t(getPrefix(type));t.styleReset("| ")}; |
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35
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36
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module.exports.makeSimpleLogger = type => { |
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37
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module.exports.enable(type); |
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38
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var TYPE = type == "success" ? "OK" : type.toUpperCase(); |
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39
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global.console[type] = function() { |
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40
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if (loggerTypes[type]) { |
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41
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module.exports.printPrefix(TYPE, module.exports.options.styles[type][0]); |
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42
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module.exports.options.styles[type][1].apply(this, arguments); |
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43
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} |
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44
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} |
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45
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} |
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46
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47
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module.exports.makeCustomLogger = (type, myfunction) => { |
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48
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module.exports.enable(type); |
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49
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global.console[type] = function() { |
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50
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if (loggerTypes[type]) { |
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51
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myfunction.apply(this, arguments); |
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52
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} |
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53
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}; |
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54
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} |
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55
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56
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module.exports.makeSimpleLogger("debug"); |
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57
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module.exports.makeSimpleLogger("info"); |
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58
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global.console.log = global.console.info; |
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59
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module.exports.makeSimpleLogger("warn"); |
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60
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module.exports.makeSimpleLogger("success"); |
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61
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62
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module.exports.makeCustomLogger("error", function() { |
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63
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var isTrace = typeof arguments[0] == "string" && arguments[0].substring(0, 5) == "Trace"; |
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64
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var type = isTrace ? "TRACE" : "ERROR"; |
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65
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module.exports.printPrefix(type, module.exports.options.styles.error[0]); |
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66
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if (isTrace) { |
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67
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arguments[0] = arguments[0].substring(7); |
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68
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} |
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69
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module.exports.options.styles.error[1].apply(this, arguments); |
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70
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}) |
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71
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Juravenator /
formal-console
