Code coverage report for app/utils/base64.js

Statements: 40% (8 / 20)      Branches: 16.67% (3 / 18)      Functions: 60% (3 / 5)      Lines: 44.44% (8 / 18)      Ignored: none     

All files » app/utils/ » base64.js
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'use strict';
 
;require.register("utils/base64", function (exports, require, module) {
  /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
 
  (function () {
 
    var object = typeof window != 'undefined' ? window : exports,
        chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=',
        INVALID_CHARACTER_ERR = function () {
      // fabricate a suitable error object
      try {
        document.createElement('$');
      } catch (error) {
        return error;
      }
    }();
 
    // encoder
    // [https://gist.github.com/999166] by [https://github.com/nignag]
    object.btoa || (object.btoa = function (input) {
      for (
      // initialize result and counter
      var block, charCode, idx = 0, map = chars, output = '';
      // if the next input index does not exist:
      // change the mapping table to "="
      // check if d has no fractional digits
      input.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 = input.charCodeAt(idx += 3 / 4);
        if (charCode > 0xFF) throw INVALID_CHARACTER_ERR;
        block = block << 8 | charCode;
      }
      return output;
    });
 
    // decoder
    // [https://gist.github.com/1020396] by [https://github.com/atk]
    object.atob || (object.atob = function (input) {
      input = input.replace(/=+$/, '');
      if (input.length % 4 == 1) throw INVALID_CHARACTER_ERR;
      for (
      // initialize result and counters
      var bc = 0, bs, buffer, idx = 0, output = '';
      // get next character
      buffer = input.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;
    });
  })();
});