scratch-www/static/js/polyfill.min.js

/*!
 * https://github.com/es-shims/es5-shim
 * @license es5-shim Copyright 2009-2015 by contributors, MIT License
 * see https://github.com/es-shims/es5-shim/blob/v4.1.10/LICENSE
 */
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/*!
 * https://github.com/es-shims/es5-shim
 * @license es5-sham Copyright 2009-2015 by contributors, MIT License
 * see https://github.com/es-shims/es5-shim/blob/v4.1.10/LICENSE
 */
(function(e,t){"use strict";if(typeof define==="function"&&define.amd){define(t)}else if(typeof exports==="object"){module.exports=t()}else{e.returnExports=t()}})(this,function(){var e=Function.prototype.call;var t=Object.prototype;var r=e.bind(t.hasOwnProperty);var n=e.bind(t.propertyIsEnumerable);var o;var c;var i;var f;var a=r(t,"__defineGetter__");if(a){o=e.bind(t.__defineGetter__);c=e.bind(t.__defineSetter__);i=e.bind(t.__lookupGetter__);f=e.bind(t.__lookupSetter__)}if(!Object.getPrototypeOf){Object.getPrototypeOf=function z(e){var r=e.__proto__;if(r||r===null){return r}else if(e.constructor){return e.constructor.prototype}else{return t}}}var l=function S(e){try{e.sentinel=0;return Object.getOwnPropertyDescriptor(e,"sentinel").value===0}catch(t){return false}};if(Object.defineProperty){var u=l({});var p=typeof document==="undefined"||l(document.createElement("div"));if(!p||!u){var b=Object.getOwnPropertyDescriptor}}if(!Object.getOwnPropertyDescriptor||b){var s="Object.getOwnPropertyDescriptor called on a non-object: ";Object.getOwnPropertyDescriptor=function D(e,o){if(typeof e!=="object"&&typeof e!=="function"||e===null){throw new TypeError(s+e)}if(b){try{return b.call(Object,e,o)}catch(c){}}var l;if(!r(e,o)){return l}l={enumerable:n(e,o),configurable:true};if(a){var u=e.__proto__;var p=e!==t;if(p){e.__proto__=t}var O=i(e,o);var j=f(e,o);if(p){e.__proto__=u}if(O||j){if(O){l.get=O}if(j){l.set=j}return l}}l.value=e[o];l.writable=true;return l}}if(!Object.getOwnPropertyNames){Object.getOwnPropertyNames=function k(e){return Object.keys(e)}}if(!Object.create){var O;var j=!({__proto__:null}instanceof Object);var d=function F(){if(!document.domain){return false}try{return!!new ActiveXObject("htmlfile")}catch(e){return false}};var y=function G(){var e;var t;t=new ActiveXObject("htmlfile");t.write("<script></script>");t.close();e=t.parentWindow.Object.prototype;t=null;return e};var _=function A(){var e=document.createElement("iframe");var t=document.body||document.documentElement;var r;e.style.display="none";t.appendChild(e);e.src="javascript:";r=e.contentWindow.Object.prototype;t.removeChild(e);e=null;return r};if(j||typeof document==="undefined"){O=function(){return{__proto__:null}}}else{O=function(){var e=d()?y():_();delete e.constructor;delete e.hasOwnProperty;delete e.propertyIsEnumerable;delete e.isPrototypeOf;delete e.toLocaleString;delete e.toString;delete e.valueOf;e.__proto__=null;var t=function r(){};t.prototype=e;O=function(){return new t};return new t}}Object.create=function C(e,t){var r;var n=function o(){};if(e===null){r=O()}else{if(typeof e!=="object"&&typeof e!=="function"){throw new TypeError("Object prototype may only be an Object or null")}n.prototype=e;r=new n;r.__proto__=e}if(t!==void 0){Object.defineProperties(r,t)}return r}}var v=function I(e){try{Object.defineProperty(e,"sentinel",{});return"sentinel"in e}catch(t){return false}};if(Object.defineProperty){var w=v({});var h=typeof document==="undefined"||v(document.createElement("div"));if(!w||!h){var m=Object.defineProperty,E=Object.defineProperties}}if(!Object.defineProperty||m){var P="Property description must be an object: ";var g="Object.defineProperty called on non-object: ";var T="getters & setters can not be defined on this javascript engine";Object.defineProperty=function N(e,r,n){if(typeof e!=="object"&&typeof e!=="function"||e===null){throw new TypeError(g+e)}if(typeof n!=="object"&&typeof n!=="function"||n===null){throw new TypeError(P+n)}if(m){try{return m.call(Object,e,r,n)}catch(l){}}if("value"in n){if(a&&(i(e,r)||f(e,r))){var u=e.__proto__;e.__proto__=t;delete e[r];e[r]=n.value;e.__proto__=u}else{e[r]=n.value}}else{if(!a&&("get"in n||"set"in n)){throw new TypeError(T)}if("get"in n){o(e,r,n.get)}if("set"in n){c(e,r,n.set)}}return e}}if(!Object.defineProperties||E){Object.defineProperties=function W(e,t){if(E){try{return E.call(Object,e,t)}catch(r){}}Object.keys(t).forEach(function(r){if(r!=="__proto__"){Object.defineProperty(e,r,t[r])}});return e}}if(!Object.seal){Object.seal=function X(e){if(Object(e)!==e){throw new TypeError("Object.s


/*
 * https://github.com/rubennorte/es6-object-assign
 * @license Copyright (c) 2017 Rubén Norte The MIT License (MIT)
 * see https://github.com/rubennorte/es6-object-assign/blob/master/LICENSE
 */
!function r(e,t,n){function o(u,f){if(!t[u]){if(!e[u]){var c="function"==typeof require&&require;if(!f&&c)return c(u,!0);if(i)return i(u,!0);var a=new Error("Cannot find module '"+u+"'");throw a.code="MODULE_NOT_FOUND",a}var l=t[u]={exports:{}};e[u][0].call(l.exports,function(r){var t=e[u][1][r];return o(t?t:r)},l,l.exports,r,e,t,n)}return t[u].exports}for(var i="function"==typeof require&&require,u=0;u<n.length;u++)o(n[u]);return o}({1:[function(r,e,t){"use strict";r("./index").polyfill()},{"./index":2}],2:[function(r,e,t){"use strict";function n(r,e){if(void 0===r||null===r)throw new TypeError("Cannot convert first argument to object");for(var t=Object(r),n=1;n<arguments.length;n++){var o=arguments[n];if(void 0!==o&&null!==o)for(var i=Object.keys(Object(o)),u=0,f=i.length;u<f;u++){var c=i[u],a=Object.getOwnPropertyDescriptor(o,c);void 0!==a&&a.enumerable&&(t[c]=o[c])}}return t}function o(){Object.assign||Object.defineProperty(Object,"assign",{enumerable:!1,configurable:!0,writable:!0,value:n})}e.exports={assign:n,polyfill:o}},{}]},{},[1]);

/*!
 * https://github.com/paulirish/matchMedia.js
 * @license Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas, David Knight. Dual MIT/BSD license
 * see https://github.com/paulirish/matchMedia.js/blob/master/LICENSE.txt
 */
(function(){window.matchMedia||(window.matchMedia=function(){"use strict";var e=window.styleMedia||window.media;if(!e){var t=document.createElement("style"),i=document.getElementsByTagName("script")[0],n=null;t.type="text/css",t.id="matchmediajs-test",i.parentNode.insertBefore(t,i),n="getComputedStyle"in window&&window.getComputedStyle(t,null)||t.currentStyle,e={matchMedium:function(e){var i="@media "+e+"{ #matchmediajs-test { width: 1px; } }";return t.styleSheet?t.styleSheet.cssText=i:t.textContent=i,"1px"===n.width}}}return function(t){return{matches:e.matchMedium(t||"all"),media:t||"all"}}}());})();

/*!
 * https://github.com/krambuhl/custom-event-polyfill
 * @license The MIT License (MIT) Copyright (c) 2014 Evan Krambuhl
 * see https://github.com/krambuhl/custom-event-polyfill/blob/master/LICENSE
 */
(function(){try{new e("test")}catch(t){var e=function(t,e){var n;return e=e||{bubbles:!1,cancelable:!1,detail:void 0},n=document.createEvent("CustomEvent"),n.initCustomEvent(t,e.bubbles,e.cancelable,e.detail),n};e.prototype=window.Event.prototype,window.CustomEvent=e}})();

/*!
 * https://github.com/davidchambers/Base64.js
 * see https://github.com/davidchambers/Base64.js/blob/master/LICENSE
 */
!function(){function t(t){this.message=t}var r="undefined"!=typeof exports?exports:this,e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";t.prototype=new Error,t.prototype.name="InvalidCharacterError",r.btoa||(r.btoa=function(r){for(var o,n,a=String(r),i=0,c=e,d="";a.charAt(0|i)||(c="=",i%1);d+=c.charAt(63&o>>8-i%1*8)){if(n=a.charCodeAt(i+=.75),n>255)throw new t("'btoa' failed: The string to be encoded contains characters outside of the Latin1 range.");o=o<<8|n}return d}),r.atob||(r.atob=function(r){var o=String(r).replace(/=+$/,"");if(o.length%4==1)throw new t("'atob' failed: The string to be decoded is not correctly encoded.");for(var n,a,i=0,c=0,d="";a=o.charAt(c++);~a&&(n=i%4?64*n+a:a,i++%4)?d+=String.fromCharCode(255&n>>(-2*i&6)):0)a=e.indexOf(a);return d})}();

/*!
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice#Streamlining_cross-browser_behavior
 */
/**
 * Shim for "fixing" IE's lack of support (IE < 9) for applying slice
 * on host objects like NamedNodeMap, NodeList, and HTMLCollection
 * (technically, since host objects have been implementation-dependent,
 * at least before ES2015, IE hasn't needed to work this way).
 * Also works on strings, fixes IE < 9 to allow an explicit undefined
 * for the 2nd argument (as in Firefox), and prevents errors when
 * called on other DOM objects.
 */
(function () {
  'use strict';
  var _slice = Array.prototype.slice;

  try {
    // Can't be used with DOM elements in IE < 9
    _slice.call(document.documentElement);
  } catch (e) { // Fails in IE < 9
    // This will work for genuine arrays, array-like objects,
    // NamedNodeMap (attributes, entities, notations),
    // NodeList (e.g., getElementsByTagName), HTMLCollection (e.g., childNodes),
    // and will not fail on other DOM objects (as do DOM elements in IE < 9)
    Array.prototype.slice = function(begin, end) {
      // IE < 9 gets unhappy with an undefined end argument
      end = (typeof end !== 'undefined') ? end : this.length;

      // For native Array objects, we use the native slice function
      if (Object.prototype.toString.call(this) === '[object Array]'){
        return _slice.call(this, begin, end);
      }

      // For array like object we handle it ourselves.
      var i, cloned = [],
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      // Handle negative value for "begin"
      var start = begin || 0;
      start = (start >= 0) ? start : Math.max(0, len + start);

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      if (end < 0) {
        upTo = len + end;
      }

      // Actual expected size of the slice
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      if (size > 0) {
        cloned = new Array(size);
        if (this.charAt) {
          for (i = 0; i < size; i++) {
            cloned[i] = this.charAt(start + i);
          }
        } else {
          for (i = 0; i < size; i++) {
            cloned[i] = this[start + i];
          }
        }
      }

      return cloned;
    };
  }
}());

/**
* https://gist.github.com/brettz9/4212262
* @license MIT, GPL, do whatever you want
* @requires polyfill: Array.prototype.slice fix {@link https://gist.github.com/brettz9/6093105}
*/
if (!Array.from) {
    Array.from = function (object) {
        'use strict';
        return [].slice.call(object);
    };
}

/**
 * https://github.com/WebReflection/es6-collections
 */
(function(e){function f(a,c){function b(a){if(!this||this.constructor!==b)return new b(a);this._keys=[];this._values=[];this._itp=[];this.objectOnly=c;a&&v.call(this,a)}c||w(a,"size",{get:x});a.constructor=b;b.prototype=a;return b}function v(a){this.add?a.forEach(this.add,this):a.forEach(function(a){this.set(a[0],a[1])},this)}function d(a){this.has(a)&&(this._keys.splice(b,1),this._values.splice(b,1),this._itp.forEach(function(a){b<a[0]&&a[0]--}));return-1<b}function m(a){return this.has(a)?this._values[b]:
void 0}function n(a,c){if(this.objectOnly&&c!==Object(c))throw new TypeError("Invalid value used as weak collection key");if(c!=c||0===c)for(b=a.length;b--&&!y(a[b],c););else b=a.indexOf(c);return-1<b}function p(a){return n.call(this,this._values,a)}function q(a){return n.call(this,this._keys,a)}function r(a,c){this.has(a)?this._values[b]=c:this._values[this._keys.push(a)-1]=c;return this}function t(a){this.has(a)||this._values.push(a);return this}function h(){(this._keys||0).length=this._values.length=
0}function z(){return k(this._itp,this._keys)}function l(){return k(this._itp,this._values)}function A(){return k(this._itp,this._keys,this._values)}function B(){return k(this._itp,this._values,this._values)}function k(a,c,b){var g=[0],e=!1;a.push(g);return{next:function(){var f,d=g[0];!e&&d<c.length?(f=b?[c[d],b[d]]:c[d],g[0]++):(e=!0,a.splice(a.indexOf(g),1));return{done:e,value:f}}}}function x(){return this._values.length}function u(a,c){for(var b=this.entries();;){var d=b.next();if(d.done)break;
a.call(c,d.value[1],d.value[0],this)}}var b,w=Object.defineProperty,y=function(a,b){return isNaN(a)?isNaN(b):a===b};"undefined"==typeof WeakMap&&(e.WeakMap=f({"delete":d,clear:h,get:m,has:q,set:r},!0));"undefined"!=typeof Map&&"function"===typeof(new Map).values&&(new Map).values().next||(e.Map=f({"delete":d,has:q,get:m,set:r,keys:z,values:l,entries:A,forEach:u,clear:h}));"undefined"!=typeof Set&&"function"===typeof(new Set).values&&(new Set).values().next||(e.Set=f({has:p,add:t,"delete":d,clear:h,
keys:l,values:l,entries:B,forEach:u}));"undefined"==typeof WeakSet&&(e.WeakSet=f({"delete":d,add:t,clear:h,has:p},!0))})("undefined"!=typeof exports&&"undefined"!=typeof global?global:window);

/**
 * https://github.com/medikoo/es6-symbol
 */
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/**
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