convert timeago.js dependency to an npm module

app/assets/javascripts/environments/components/environment_item.js.es6

@@ -2,7 +2,7 @@
 /* global timeago */
 window.Vue = require('vue');
-window.timeago = require('vendor/timeago');
+window.timeago = require('timeago.js');
 require('../../lib/utils/text_utility');
 require('../../vue_shared/components/commit');
 require('./environment_actions');

app/assets/javascripts/lib/utils/datetime_utility.js.es6

@@ -2,7 +2,7 @@
 /* global timeago */
 /* global dateFormat */
-window.timeago = require('vendor/timeago');
+window.timeago = require('timeago.js');
 window.dateFormat = require('vendor/date.format');
 (function() {

package.json

@@ -27,6 +27,7 @@
     "pikaday": "^1.5.1",
     "select2": "3.5.2-browserify",
     "stats-webpack-plugin": "^0.4.3",
+    "timeago.js": "^2.0.5",
     "underscore": "1.8.3",
     "vue": "2.0.3",
     "vue-resource": "0.9.3",

spec/javascripts/environments/environment_item_spec.js.es6

-window.timeago = require('vendor/timeago');
+window.timeago = require('timeago.js');
 require('~/environments/components/environment_item');
 describe('Environment item', () => {

vendor/assets/javascripts/timeago.js

-/**
- * Copyright (c) 2016 hustcc
- * License: MIT
- * Version: v2.0.2
- * https://github.com/hustcc/timeago.js
- * This is a forked from (https://gitlab.com/ClemMakesApps/timeago.js)
-**/
-/* eslint-disable */
-/* jshint expr: true */
-!function (root, factory) {
-  if (typeof module === 'object' && module.exports)
-    module.exports = factory(root);
-  else
-    root.timeago = factory(root);
-}(typeof window !== 'undefined' ? window : this,
-function () {
-  var cnt = 0, // the timer counter, for timer key
-    indexMapEn = 'second_minute_hour_day_week_month_year'.split('_'),
-
-    // build-in locales: en & zh_CN
-    locales = {
-      'en': function(number, index) {
-        if (index === 0) return ['just now', 'right now'];
-        var unit = indexMapEn[parseInt(index / 2)];
-        if (number > 1) unit += 's';
-        return [number + ' ' + unit + ' ago', 'in ' + number + ' ' + unit];
-      },
-    },
-    // second, minute, hour, day, week, month, year(365 days)
-    SEC_ARRAY = [60, 60, 24, 7, 365/7/12, 12],
-    SEC_ARRAY_LEN = 6,
-    ATTR_DATETIME = 'datetime';
-
-  // format Date / string / timestamp to Date instance.
-  function toDate(input) {
-    if (input instanceof Date) return input;
-    if (!isNaN(input)) return new Date(toInt(input));
-    if (/^\d+$/.test(input)) return new Date(toInt(input, 10));
-    input = (input || '').trim().replace(/\.\d+/, '') // remove milliseconds
-      .replace(/-/, '/').replace(/-/, '/')
-      .replace(/T/, ' ').replace(/Z/, ' UTC')
-      .replace(/([\+\-]\d\d)\:?(\d\d)/, ' $1$2'); // -04:00 -> -0400
-    return new Date(input);
-  }
-  // change f into int, remove Decimal. just for code compression
-  function toInt(f) {
-    return parseInt(f);
-  }
-  // format the diff second to *** time ago, with setting locale
-  function formatDiff(diff, locale, defaultLocale) {
-    // if locale is not exist, use defaultLocale.
-    // if defaultLocale is not exist, use build-in `en`.
-    // be sure of no error when locale is not exist.
-    locale = locales[locale] ? locale : (locales[defaultLocale] ? defaultLocale : 'en');
-    // if (! locales[locale]) locale = defaultLocale;
-    var i = 0;
-      agoin = diff < 0 ? 1 : 0; // timein or timeago
-    diff = Math.abs(diff);
-
-    for (; diff >= SEC_ARRAY[i] && i < SEC_ARRAY_LEN; i++) {
-      diff /= SEC_ARRAY[i];
-    }
-    diff = toInt(diff);
-    i *= 2;
-
-    if (diff > (i === 0 ? 9 : 1)) i += 1;
-    return locales[locale](diff, i)[agoin].replace('%s', diff);
-  }
-  // calculate the diff second between date to be formated an now date.
-  function diffSec(date, nowDate) {
-    nowDate = nowDate ? toDate(nowDate) : new Date();
-    return (nowDate - toDate(date)) / 1000;
-  }
-  /**
-   * nextInterval: calculate the next interval time.
-   * - diff: the diff sec between now and date to be formated.
-   *
-   * What's the meaning?
-   * diff = 61 then return 59
-   * diff = 3601 (an hour + 1 second), then return 3599
-   * make the interval with high performace.
-  **/
-  function nextInterval(diff) {
-    var rst = 1, i = 0, d = Math.abs(diff);
-    for (; diff >= SEC_ARRAY[i] && i < SEC_ARRAY_LEN; i++) {
-      diff /= SEC_ARRAY[i];
-      rst *= SEC_ARRAY[i];
-    }
-    // return leftSec(d, rst);
-    d = d % rst;
-    d = d ? rst - d : rst;
-    return Math.ceil(d);
-  }
-  // get the datetime attribute, jQuery and DOM
-  function getDateAttr(node) {
-    if (node.getAttribute) return node.getAttribute(ATTR_DATETIME);
-    if(node.attr) return node.attr(ATTR_DATETIME);
-  }
-  /**
-   * timeago: the function to get `timeago` instance.
-   * - nowDate: the relative date, default is new Date().
-   * - defaultLocale: the default locale, default is en. if your set it, then the `locale` parameter of format is not needed of you.
-   *
-   * How to use it?
-   * var timeagoLib = require('timeago.js');
-   * var timeago = timeagoLib(); // all use default.
-   * var timeago = timeagoLib('2016-09-10'); // the relative date is 2016-09-10, so the 2016-09-11 will be 1 day ago.
-   * var timeago = timeagoLib(null, 'zh_CN'); // set default locale is `zh_CN`.
-   * var timeago = timeagoLib('2016-09-10', 'zh_CN'); // the relative date is 2016-09-10, and locale is zh_CN, so the 2016-09-11 will be 1天前.
-  **/
-  function Timeago(nowDate, defaultLocale) {
-    var timers = {}; // real-time render timers
-    // if do not set the defaultLocale, set it with `en`
-    if (! defaultLocale) defaultLocale = 'en'; // use default build-in locale
-    // what the timer will do
-    function doRender(node, date, locale, cnt) {
-      var diff = diffSec(date, nowDate);
-      node.innerHTML = formatDiff(diff, locale, defaultLocale);
-      // waiting %s seconds, do the next render
-      timers['k' + cnt] = setTimeout(function() {
-        doRender(node, date, locale, cnt);
-      }, nextInterval(diff) * 1000);
-    }
-    /**
-     * nextInterval: calculate the next interval time.
-     * - diff: the diff sec between now and date to be formated.
-     *
-     * What's the meaning?
-     * diff = 61 then return 59
-     * diff = 3601 (an hour + 1 second), then return 3599
-     * make the interval with high performace.
-    **/
-    // this.nextInterval = function(diff) { // for dev test
-    //   var rst = 1, i = 0, d = Math.abs(diff);
-    //   for (; diff >= SEC_ARRAY[i] && i < SEC_ARRAY_LEN; i++) {
-    //     diff /= SEC_ARRAY[i];
-    //     rst *= SEC_ARRAY[i];
-    //   }
-    //   // return leftSec(d, rst);
-    //   d = d % rst;
-    //   d = d ? rst - d : rst;
-    //   return Math.ceil(d);
-    // }; // for dev test
-    /**
-     * format: format the date to *** time ago, with setting or default locale
-     * - date: the date / string / timestamp to be formated
-     * - locale: the formated string's locale name, e.g. en / zh_CN
-     *
-     * How to use it?
-     * var timeago = require('timeago.js')();
-     * timeago.format(new Date(), 'pl'); // Date instance
-     * timeago.format('2016-09-10', 'fr'); // formated date string
-     * timeago.format(1473473400269); // timestamp with ms
-    **/
-    this.format = function(date, locale) {
-      return formatDiff(diffSec(date, nowDate), locale, defaultLocale);
-    };
-    /**
-     * render: render the DOM real-time.
-     * - nodes: which nodes will be rendered.
-     * - locale: the locale name used to format date.
-     *
-     * How to use it?
-     * var timeago = new require('timeago.js')();
-     * // 1. javascript selector
-     * timeago.render(document.querySelectorAll('.need_to_be_rendered'));
-     * // 2. use jQuery selector
-     * timeago.render($('.need_to_be_rendered'), 'pl');
-     *
-     * Notice: please be sure the dom has attribute `datetime`.
-    **/
-    this.render = function(nodes, locale) {
-      if (nodes.length === undefined) nodes = [nodes];
-      for (var i = 0; i < nodes.length; i++) {
-        doRender(nodes[i], getDateAttr(nodes[i]), locale, ++ cnt); // render item
-      }
-    };
-    /**
-     * cancel: cancel all the timers which are doing real-time render.
-     *
-     * How to use it?
-     * var timeago = new require('timeago.js')();
-     * timeago.render(document.querySelectorAll('.need_to_be_rendered'));
-     * timeago.cancel(); // will stop all the timer, stop render in real time.
-    **/
-    this.cancel = function() {
-      for (var key in timers) {
-        clearTimeout(timers[key]);
-      }
-      timers = {};
-    };
-    /**
-     * setLocale: set the default locale name.
-     *
-     * How to use it?
-     * var timeago = require('timeago.js');
-     * timeago = new timeago();
-     * timeago.setLocale('fr');
-    **/
-    this.setLocale = function(locale) {
-      defaultLocale = locale;
-    };
-    return this;
-  }
-  /**
-   * timeago: the function to get `timeago` instance.
-   * - nowDate: the relative date, default is new Date().
-   * - defaultLocale: the default locale, default is en. if your set it, then the `locale` parameter of format is not needed of you.
-   *
-   * How to use it?
-   * var timeagoLib = require('timeago.js');
-   * var timeago = timeagoLib(); // all use default.
-   * var timeago = timeagoLib('2016-09-10'); // the relative date is 2016-09-10, so the 2016-09-11 will be 1 day ago.
-   * var timeago = timeagoLib(null, 'zh_CN'); // set default locale is `zh_CN`.
-   * var timeago = timeagoLib('2016-09-10', 'zh_CN'); // the relative date is 2016-09-10, and locale is zh_CN, so the 2016-09-11 will be 1天前.
-   **/
-  function timeagoFactory(nowDate, defaultLocale) {
-    return new Timeago(nowDate, defaultLocale);
-  }
-  /**
-   * register: register a new language locale
-   * - locale: locale name, e.g. en / zh_CN, notice the standard.
-   * - localeFunc: the locale process function
-   *
-   * How to use it?
-   * var timeagoLib = require('timeago.js');
-   *
-   * timeagoLib.register('the locale name', the_locale_func);
-   * // or
-   * timeagoLib.register('pl', require('timeago.js/locales/pl'));
-   **/
-  timeagoFactory.register = function(locale, localeFunc) {
-    locales[locale] = localeFunc;
-  };
-
-  return timeagoFactory;
-});