Replace augment.js with conditional polyfills for ES5 and ES6

Vendorfile

@@ -67,6 +67,11 @@ folder 'vendor/assets' do
     end
   end
 
+  folder 'polyfill' do
+    file 'es5.js', 'https://polyfill.io/v3/polyfill.js?features=es5&flags=gated,always'
+    file 'es6.js', 'https://polyfill.io/v3/polyfill.js?features=es6&flags=gated,always'
+  end
+
   folder 'javascripts' do
     file 'html5shiv.js', 'https://raw.githubusercontent.com/aFarkas/html5shiv/master/src/html5shiv.js'
     file 'bowser.js', 'https://github.com/lancedikson/bowser/releases/download/1.9.4/bowser.js'

app/assets/javascripts/application.js

@@ -5,7 +5,6 @@
 //= require jquery.throttle-debounce
 //= require bootstrap.tooltip
 //= require bootstrap.dropdown
-//= require augment
 //= require osm
 //= require leaflet
 //= require leaflet.osm

app/views/layouts/_head.html.erb

@@ -2,6 +2,8 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
   <meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0"/>
   <%= javascript_include_tag "html5shiv" unless browser.html5? %>
+  <%= javascript_include_tag "es5" unless browser.es5? %>
+  <%= javascript_include_tag "es6" unless browser.es6? %>
   <%= javascript_include_tag "application" %>
   <%= javascript_include_tag "i18n/" + I18n.locale.to_s %>
   <%= stylesheet_link_tag "screen-#{dir}", :media => "screen" %>

config/initializers/assets.rb

@@ -20,7 +20,7 @@ Rails.application.config.assets.precompile += %w[leaflet-all.css leaflet.ie.css]
 Rails.application.config.assets.precompile += %w[id.js id.css]
 Rails.application.config.assets.precompile += %w[embed.js embed.css]
 Rails.application.config.assets.precompile += %w[errors.css]
-Rails.application.config.assets.precompile += %w[html5shiv.js]
+Rails.application.config.assets.precompile += %w[html5shiv.js es5.js es6.js]
 Rails.application.config.assets.precompile += %w[images/marker-*.png img/*-handle.png]
 Rails.application.config.assets.precompile += %w[swfobject.js expressInstall.swf]
 Rails.application.config.assets.precompile += %w[potlatch2.swf]

vendor/assets/augment.js/augment.js

@@ -1,444 +0,0 @@
-// augment.js JavaScript 1.8.5 methods for all, version: 0.4.2
-// using snippets from Mozilla - https://developer.mozilla.org/en/JavaScript
-// (c) 2011 Oliver Nightingale
-//
-//  Released under MIT license.
-//
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
-if (!Array.prototype.every) {
-  Array.prototype.every = function(fun /*, thisp */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (typeof fun !== "function")
-      throw new TypeError();
-
-    var thisp = arguments[1];
-    for (var i = 0; i < len; i++) {
-      if (i in t && !fun.call(thisp, t[i], i, t))
-        return false;
-    }
-
-    return true;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/filter
-if (!Array.prototype.filter) {
-  Array.prototype.filter = function(fun /*, thisp */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (typeof fun !== "function")
-      throw new TypeError();
-
-    var res = [];
-    var thisp = arguments[1];
-    for (var i = 0; i < len; i++) {
-      if (i in t) {
-        var val = t[i]; // in case fun mutates this
-        if (fun.call(thisp, val, i, t))
-          res.push(val);
-      }
-    }
-
-    return res;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/foreach
-if (!Array.prototype.forEach) {
-  Array.prototype.forEach = function(fun /*, thisp */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (typeof fun !== "function")
-      throw new TypeError();
-
-    var thisp = arguments[1];
-    for (var i = 0; i < len; i++) {
-      if (i in t)
-        fun.call(thisp, t[i], i, t);
-    }
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
-if (!Array.prototype.indexOf) {
-  Array.prototype.indexOf = function(searchElement /*, fromIndex */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (len === 0)
-      return -1;
-
-    var n = 0;
-    if (arguments.length > 0) {
-      n = Number(arguments[1]);
-      if (n !== n) // shortcut for verifying if it's NaN
-        n = 0;
-      else if (n !== 0 && n !== (Infinity) && n !== -(Infinity))
-        n = (n > 0 || -1) * Math.floor(Math.abs(n));
-    }
-
-    if (n >= len)
-      return -1;
-
-    var k = n >= 0
-          ? n
-          : Math.max(len - Math.abs(n), 0);
-
-    for (; k < len; k++) {
-      if (k in t && t[k] === searchElement)
-        return k;
-    }
-    return -1;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
-Array.isArray = Array.isArray || function(o) { return Object.prototype.toString.call(o) === '[object Array]'; };
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
-if (!Array.prototype.lastIndexOf) {
-  Array.prototype.lastIndexOf = function(searchElement /*, fromIndex*/) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (len === 0)
-      return -1;
-
-    var n = len;
-    if (arguments.length > 1) {
-      n = Number(arguments[1]);
-      if (n !== n)
-        n = 0;
-      else if (n !== 0 && n !== (Infinity) && n !== -(Infinity))
-        n = (n > 0 || -1) * Math.floor(Math.abs(n));
-    }
-
-    var k = n >= 0
-          ? Math.min(n, len - 1)
-          : len - Math.abs(n);
-
-    for (; k >= 0; k--) {
-      if (k in t && t[k] === searchElement)
-        return k;
-    }
-    return -1;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/map
-if (!Array.prototype.map) {
-  Array.prototype.map = function(fun /*, thisp */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (typeof fun !== "function")
-      throw new TypeError();
-
-    var res = new Array(len);
-    var thisp = arguments[1];
-    for (var i = 0; i < len; i++) {
-      if (i in t)
-        res[i] = fun.call(thisp, t[i], i, t);
-    }
-
-    return res;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/Reduce
-if (!Array.prototype.reduce) {
-  Array.prototype.reduce = function(fun /*, initialValue */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (typeof fun !== "function")
-      throw new TypeError();
-
-    // no value to return if no initial value and an empty array
-    if (len == 0 && arguments.length == 1)
-      throw new TypeError();
-
-    var k = 0;
-    var accumulator;
-    if (arguments.length >= 2) {
-      accumulator = arguments[1];
-    } else {
-      do {
-        if (k in t) {
-          accumulator = t[k++];
-          break;
-        }
-
-        // if array contains no values, no initial value to return
-        if (++k >= len)
-          throw new TypeError();
-      }
-      while (true);
-    }
-
-    while (k < len) {
-      if (k in t)
-        accumulator = fun.call(undefined, accumulator, t[k], k, t);
-      k++;
-    }
-
-    return accumulator;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/ReduceRight
-if (!Array.prototype.reduceRight) {
-  Array.prototype.reduceRight = function(callbackfn /*, initialValue */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (typeof callbackfn !== "function")
-      throw new TypeError();
-
-    // no value to return if no initial value, empty array
-    if (len === 0 && arguments.length === 1)
-      throw new TypeError();
-
-    var k = len - 1;
-    var accumulator;
-    if (arguments.length >= 2) {
-      accumulator = arguments[1];
-    } else {
-      do {
-        if (k in this) {
-          accumulator = this[k--];
-          break;
-        }
-
-        // if array contains no values, no initial value to return
-        if (--k < 0)
-          throw new TypeError();
-      }
-      while (true);
-    }
-
-    while (k >= 0) {
-      if (k in t)
-        accumulator = callbackfn.call(undefined, accumulator, t[k], k, t);
-      k--;
-    }
-
-    return accumulator;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
-if (!Array.prototype.some) {
-  Array.prototype.some = function(fun /*, thisp */) {
-    "use strict";
-
-    if (this === void 0 || this === null)
-      throw new TypeError();
-
-    var t = Object(this);
-    var len = t.length >>> 0;
-    if (typeof fun !== "function")
-      throw new TypeError();
-
-    var thisp = arguments[1];
-    for (var i = 0; i < len; i++) {
-      if (i in t && fun.call(thisp, t[i], i, t))
-        return true;
-    }
-
-    return false;
-  };
-}
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Date/now
-if (!Date.now) {
-  Date.now = function now () {
-    return +new Date();
-  };
-}
-if (!Date.prototype.toISOString) {
-  Date.prototype.toISOString = (function () {
-
-    var pad = function (n, length) {
-      length = length || 2
-      return (n = n + "", n.length === length) ? n : pad("0" + n, length);
-    }
-
-    return function () {
-      var year = this.getUTCFullYear()
-      year = (year < 0 ? '-' : (year > 9999 ? '+' : '')) + ('00000' + Math.abs(year)).slice(0 <= year && year <= 9999 ? -4 : -6);
-
-      var date = [year, pad(this.getUTCMonth() + 1), pad(this.getUTCDate())].join("-")
-      var time = [pad(this.getUTCHours()), pad(this.getUTCMinutes()), pad(this.getUTCSeconds())].join(":") + "." + pad(this.getUTCMilliseconds(), 3)
-      return [date, time].join("T") + "Z"
-    }
-  })()
-};
-if (!Date.prototype.toJSON) {
-  Date.prototype.toJSON = Date.prototype.toJSON
-};
-// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind
-if (!Function.prototype.bind ) {
-
-  Function.prototype.bind = function(obj) {
-
-    if (typeof this !== 'function') throw new TypeError ("Function.prototype.bind - what is trying to be bound is not callable")
-
-    var slice = Array.prototype.slice,
-        args = slice.call(arguments, 1), 
-        self = this, 
-        nop = function () {}, 
-        bound = function () {
-
-          if (nop.prototype && this instanceof nop) {
-            var result = self.apply(new nop, args.concat(slice.call(arguments)))
-            return (Object(result) === result) ? result : self
-          } else {
-            return self.apply(obj, args.concat(slice.call(arguments)))
-          };
-        };
-
-    nop.prototype = self.prototype;
-
-    bound.prototype = new nop();
-
-    return bound;
-  };
-}
-;(function () { "use strict"
-
-  var ensureIsObject = function (param) {
-    if (param !== Object(param)) throw new TypeError('Object.getPrototypeOf called on non-object');
-  }
-
-  if (!Object.getPrototypeOf) {
-    if (typeof "test".__proto__ === "object") {
-      Object.getPrototypeOf = function (obj) {
-        ensureIsObject(obj)
-        return obj.__proto__
-      }
-    } else {
-      Object.getPrototypeOf = function (obj) {
-        ensureIsObject(obj)
-        return obj.constructor.prototype
-      }
-    };
-  };
-})();
-// http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
-if (!Object.keys) {
-  Object.keys = (function () {
-    var hasOwnProperty = Object.prototype.hasOwnProperty,
-        hasDontEnumBug = !({toString: null}).propertyIsEnumerable('toString'),
-        dontEnums = [
-          'toString',
-          'toLocaleString',
-          'valueOf',
-          'hasOwnProperty',
-          'isPrototypeOf',
-          'propertyIsEnumerable',
-          'constructor'
-        ],
-        dontEnumsLength = dontEnums.length
-
-    return function (obj) {
-      if (typeof obj !== 'object' && typeof obj !== 'function' || obj === null) throw new TypeError('Object.keys called on non-object')
-
-      var result = []
-
-      for (var prop in obj) {
-        if (hasOwnProperty.call(obj, prop)) result.push(prop)
-      }
-
-      if (hasDontEnumBug) {
-        for (var i=0; i < dontEnumsLength; i++) {
-          if (hasOwnProperty.call(obj, dontEnums[i])) result.push(dontEnums[i])
-        }
-      }
-      return result
-    }
-  })()
-};if (!String.prototype.trim) {
-  String.prototype.trim = (function () {
-
-    var trimLeft  = /^\s+/,
-        trimRight = /\s+$/
-
-    return function () {
-      return this.replace(trimLeft, "").replace(trimRight, "")
-    }
-  })()
-};
-// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex
-// https://tc39.github.io/ecma262/#sec-array.prototype.findindex
-if (!Array.prototype.findIndex) {
-  Object.defineProperty(Array.prototype, 'findIndex', {
-    value: function(predicate) {
-     // 1. Let O be ? ToObject(this value).
-      if (this == null) {
-        throw new TypeError('"this" is null or not defined');
-      }
-
-      var o = Object(this);
-
-      // 2. Let len be ? ToLength(? Get(O, "length")).
-      var len = o.length >>> 0;
-
-      // 3. If IsCallable(predicate) is false, throw a TypeError exception.
-      if (typeof predicate !== 'function') {
-        throw new TypeError('predicate must be a function');
-      }
-
-      // 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
-      var thisArg = arguments[1];
-
-      // 5. Let k be 0.
-      var k = 0;
-
-      // 6. Repeat, while k < len
-      while (k < len) {
-        // a. Let Pk be ! ToString(k).
-        // b. Let kValue be ? Get(O, Pk).
-        // c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
-        // d. If testResult is true, return k.
-        var kValue = o[k];
-        if (predicate.call(thisArg, kValue, k, o)) {
-          return k;
-        }
-        // e. Increase k by 1.
-        k++;
-      }
-
-      // 7. Return -1.
-      return -1;
-    },
-    configurable: true,
-    writable: true
-  });
-}