added shim to html

Author: SheetJSDev

index.html

@@ -36,7 +36,8 @@
 </pre>
 <pre id="out"></pre>
 <br />
-<script src="https://unpkg.com/[email protected]/dist/printj.min.js"></script>
+<script src="shim.js"></script>
+<script src="https://unpkg.com/printj/dist/printj.min.js"></script>
 <script src="cfb.js"></script>
 <script src="//rawgit.com/eligrey/Blob.js/master/Blob.js"></script>
 <script src="//rawgit.com/eligrey/FileSaver.js/master/FileSaver.js"></script>

shim.js

@@ -0,0 +1,343 @@
+// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
+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;
+    };
+  })();
+}
+
+// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
+if (!Array.prototype.filter)
+{
+  Array.prototype.filter = function(fun /*, thisp */)
+  {
+    "use strict";
+
+    if (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;
+  };
+}
+
+// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim
+if (!String.prototype.trim) {
+  String.prototype.trim = function () {
+    return this.replace(/^\s+|\s+$/g, '');
+  };
+}
+
+// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
+if (!Array.prototype.forEach)
+{
+  Array.prototype.forEach = function(fun /*, thisArg */)
+  {
+    "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 thisArg = arguments.length >= 2 ? arguments[1] : void 0;
+    for (var i = 0; i < len; i++)
+    {
+      if (i in t)
+        fun.call(thisArg, t[i], i, t);
+    }
+  };
+}
+
+// Production steps of ECMA-262, Edition 5, 15.4.4.19
+// Reference: http://es5.github.com/#x15.4.4.19
+if (!Array.prototype.map) {
+  Array.prototype.map = function(callback, thisArg) {
+
+    var T, A, k;
+
+    if (this == null) {
+      throw new TypeError(" this is null or not defined");
+    }
+
+    // 1. Let O be the result of calling ToObject passing the |this| value as the argument.
+    var O = Object(this);
+
+    // 2. Let lenValue be the result of calling the Get internal method of O with the argument "length".
+    // 3. Let len be ToUint32(lenValue).
+    var len = O.length >>> 0;
+
+    // 4. If IsCallable(callback) is false, throw a TypeError exception.
+    // See: http://es5.github.com/#x9.11
+    if (typeof callback !== "function") {
+      throw new TypeError(callback + " is not a function");
+    }
+
+    // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+    if (thisArg) {
+      T = thisArg;
+    }
+
+    // 6. Let A be a new array created as if by the expression new Array(len) where Array is
+    // the standard built-in constructor with that name and len is the value of len.
+    A = new Array(len);
+
+    // 7. Let k be 0
+    k = 0;
+
+    // 8. Repeat, while k < len
+    while(k < len) {
+
+      var kValue, mappedValue;
+
+      // a. Let Pk be ToString(k).
+      //   This is implicit for LHS operands of the in operator
+      // b. Let kPresent be the result of calling the HasProperty internal method of O with argument Pk.
+      //   This step can be combined with c
+      // c. If kPresent is true, then
+      if (k in O) {
+
+        // i. Let kValue be the result of calling the Get internal method of O with argument Pk.
+        kValue = O[ k ];
+
+        // ii. Let mappedValue be the result of calling the Call internal method of callback
+        // with T as the this value and argument list containing kValue, k, and O.
+        mappedValue = callback.call(T, kValue, k, O);
+
+        // iii. Call the DefineOwnProperty internal method of A with arguments
+        // Pk, Property Descriptor {Value: mappedValue, : true, Enumerable: true, Configurable: true},
+        // and false.
+
+        // In browsers that support Object.defineProperty, use the following:
+        // Object.defineProperty(A, Pk, { value: mappedValue, writable: true, enumerable: true, configurable: true });
+
+        // For best browser support, use the following:
+        A[ k ] = mappedValue;
+      }
+      // d. Increase k by 1.
+      k++;
+    }
+
+    // 9. return A
+    return A;
+  };
+}
+
+// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
+if (!Array.prototype.indexOf) {
+  Array.prototype.indexOf = function (searchElement, fromIndex) {
+    if ( this === undefined || this === null ) {
+      throw new TypeError( '"this" is null or not defined' );
+    }
+
+    var length = this.length >>> 0; // Hack to convert object.length to a UInt32
+
+    fromIndex = +fromIndex || 0;
+
+    if (Math.abs(fromIndex) === Infinity) {
+      fromIndex = 0;
+    }
+
+    if (fromIndex < 0) {
+      fromIndex += length;
+      if (fromIndex < 0) {
+        fromIndex = 0;
+      }
+    }
+
+    for (;fromIndex < length; fromIndex++) {
+      if (this[fromIndex] === searchElement) {
+        return fromIndex;
+      }
+    }
+
+    return -1;
+  };
+}
+// Based on https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
+
+if (! Array.isArray) {
+    Array.isArray = function(obj) {
+        return Object.prototype.toString.call(obj) === "[object Array]";
+    };
+}
+
+// https://github.com/ttaubert/node-arraybuffer-slice
+// (c) 2013 Tim Taubert <[email protected]>
+// arraybuffer-slice may be freely distributed under the MIT license.
+
+"use strict";
+
+if (typeof ArrayBuffer !== 'undefined' && !ArrayBuffer.prototype.slice) {
+  ArrayBuffer.prototype.slice = function (begin, end) {
+    begin = (begin|0) || 0;
+    var num = this.byteLength;
+    end = end === (void 0) ? num : (end|0);
+
+    // Handle negative values.
+    if (begin < 0) begin += num;
+    if (end < 0) end += num;
+
+    if (num === 0 || begin >= num || begin >= end) {
+      return new ArrayBuffer(0);
+    }
+
+    var length = Math.min(num - begin, end - begin);
+    var target = new ArrayBuffer(length);
+    var targetArray = new Uint8Array(target);
+    targetArray.set(new Uint8Array(this, begin, length));
+    return target;
+  };
+}
+
+// https://github.com/davidchambers/Base64.js
+// (C) 2015 David Chambers
+// Base64.js may be freely distributed under the Apache 2.0 License.
+;(function () {
+
+  var object =
+    typeof exports != 'undefined' ? exports :
+    typeof self != 'undefined' ? self : // #8: web workers
+    $.global; // #31: ExtendScript
+
+  var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+
+  function InvalidCharacterError(message) {
+    this.message = message;
+  }
+  InvalidCharacterError.prototype = new Error;
+  InvalidCharacterError.prototype.name = 'InvalidCharacterError';
+
+  // encoder
+  // [https://gist.github.com/999166] by [https://github.com/nignag]
+  object.btoa || (
+  object.btoa = function (input) {
+    var str = String(input);
+    for (
+      // initialize result and counter
+      var block, charCode, idx = 0, map = chars, output = '';
+      // if the next str index does not exist:
+      //   change the mapping table to "="
+      //   check if d has no fractional digits
+      str.charAt(idx | 0) || (map = '=', idx % 1);
+      // "8 - idx % 1 * 8" generates the sequence 2, 4, 6, 8
+      output += map.charAt(63 & block >> 8 - idx % 1 * 8)
+    ) {
+      charCode = str.charCodeAt(idx += 3/4);
+      if (charCode > 0xFF) {
+        throw new InvalidCharacterError("'btoa' failed: The string to be encoded contains characters outside of the Latin1 range.");
+      }
+      block = block << 8 | charCode;
+    }
+    return output;
+  });
+
+  // decoder
+  // [https://gist.github.com/1020396] by [https://github.com/atk]
+  object.atob || (
+  object.atob = function (input) {
+    var str = String(input).replace(/[=]+$/, ''); // #31: ExtendScript bad parse of /=
+    if (str.length % 4 == 1) {
+      throw new InvalidCharacterError("'atob' failed: The string to be decoded is not correctly encoded.");
+    }
+    for (
+      // initialize result and counters
+      var bc = 0, bs, buffer, idx = 0, output = '';
+      // get next character
+      buffer = str.charAt(idx++);
+      // character found in table? initialize bit storage and add its ascii value;
+      ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
+        // and if not first of each 4 characters,
+        // convert the first 8 bits to one ascii character
+        bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
+    ) {
+      // try to find character in table (0-63, not found => -1)
+      buffer = chars.indexOf(buffer);
+    }
+    return output;
+  });
+}());
+
+
+// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString
+if (!Date.prototype.toISOString) {
+  (function() {
+
+    function pad(number) {
+      if (number < 10) {
+        return '0' + number;
+      }
+      return number;
+    }
+
+    Date.prototype.toISOString = function() {
+      return this.getUTCFullYear() +
+        '-' + pad(this.getUTCMonth() + 1) +
+        '-' + pad(this.getUTCDate()) +
+        'T' + pad(this.getUTCHours()) +
+        ':' + pad(this.getUTCMinutes()) +
+        ':' + pad(this.getUTCSeconds()) +
+        '.' + (this.getUTCMilliseconds() / 1000).toFixed(3).slice(2, 5) +
+        'Z';
+    };
+
+  }());
+}
+
+// note: MDN shim will not work in IE
+if(typeof Uint8Array !== 'undefined' && !Uint8Array.prototype.slice) Uint8Array.prototype.slice = function(start, end) {
+	if(start < 0) { start += this.length; if(start < 0) start = 0; }
+	if(start >= this.length) return new Uint8Array(0);
+	if(end == null) end = this.length;
+	if(end < 0) { end += this.length; if(end < 0) end = 0; }
+	if(end > this.length) end = this.length;
+	var out = new Uint8Array(end - start);
+	while(start <= --end) out[end - start] = this[end];
+	return out;
+};