src/utils/Utils.js

   1 const {v4: uuid} = require('uuid');
   2
   3 class Utils {
   4   static generateGUID() {
   5     return uuid();
   6   }
   7
   8   static sleep(ms) {
   9     return new Promise((resolve) => setTimeout(resolve, ms));
  10   }
  11
  12   static secondstoHHMMSS(seconds) {
  13     const date = new Date(null);
  14     date.setSeconds(seconds);
  15     return date.toISOString().substr(11, 8);
  16   }
  17
  18   static convertToDate(date) {
  19     // Check
  20     if (!date) {
  21       return date;
  22     }
  23     // Check Type
  24     if (!(date instanceof Date)) {
  25       return new Date(date);
  26     }
  27     return date;
  28   }
  29
  30   static isIterable(obj) {
  31     if (obj) {
  32       return typeof obj[Symbol.iterator] === 'function';
  33     }
  34     return false;
  35   }
  36
  37   static isEmptyJSon(document) {
  38     // Empty?
  39     if (!document) {
  40       return true;
  41     }
  42     // Check type
  43     if (typeof document !== 'object') {
  44       return true;
  45     }
  46     // Check
  47     return Object.keys(document).length === 0;
  48   }
  49
  50   static removeExtraEmptyLines(tab) {
  51     // Start from the end
  52     for (let i = tab.length - 1; i > 0; i--) {
  53       // Two consecutive empty lines?
  54       if (tab[i].length === 0 && tab[i - 1].length === 0) {
  55         // Remove the last one
  56         tab.splice(i, 1);
  57       }
  58       // Check last line
  59       if (i === 1 && tab[i - 1].length === 0) {
  60         // Remove the first one
  61         tab.splice(i - 1, 1);
  62       }
  63     }
  64   }
  65
  66   static convertToObjectID(id) {
  67     let changedID = id;
  68     // Check
  69     if (typeof id === 'string') {
  70       // Create Object
  71       // eslint-disable-next-line no-undef
  72       changedID = new ObjectID(id);
  73     }
  74     return changedID;
  75   }
  76
  77   static convertToInt(id) {
  78     let changedID = id;
  79     if (!id) {
  80       return 0;
  81     }
  82     // Check
  83     if (typeof id === 'string') {
  84       // Create Object
  85       changedID = parseInt(id);
  86     }
  87     return changedID;
  88   }
  89
  90   static convertToFloat(id) {
  91     let changedID = id;
  92     if (!id) {
  93       return 0;
  94     }
  95     // Check
  96     if (typeof id === 'string') {
  97       // Create Object
  98       changedID = parseFloat(id);
  99     }
 100     return changedID;
 101   }
 102
 103   static convertToBoolean(value) {
 104     let result = false;
 105     // Check boolean
 106     if (value) {
 107       // Check the type
 108       if (typeof value === 'boolean') {
 109         // Already a boolean
 110         result = value;
 111       } else {
 112         // Convert
 113         result = (value === 'true');
 114       }
 115     }
 116     return result;
 117   }
 118
 119   static getRandomInt(max, min) {
 120     if (min) {
 121       return Math.floor((Math.random() * (max - min)) + min);
 122     }
 123     return Math.floor((Math.random() * max));
 124   }
 125
 126   static basicFormatLog(prefixString = '') {
 127     const date = new Date();
 128     return date.toISOString().substr(0, 19) + prefixString;
 129   }
 130
 131   static objectHasOwnProperty(object, property) {
 132     return Object.prototype.hasOwnProperty.call(object, property);
 133   }
 134 }
 135
 136 module.exports = Utils;