1 | /**
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2 | * Extending object that entered in first argument.
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3 | *
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4 | * Returns extended object or false if have no target object or incorrect type.
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5 | *
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6 | * If you wish to clone source object (without modify it), just use empty new
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7 | * object as first argument, like this:
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8 | * deepExtend({}, yourObj_1, [yourObj_N]);
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9 | */
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10 | export const deepExtend = function (...objects) {
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11 | if (arguments.length < 1 || typeof arguments[0] !== 'object') {
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12 | return false;
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13 | }
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14 | if (arguments.length < 2) {
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15 | return arguments[0];
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16 | }
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17 | const target = arguments[0];
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18 | // convert arguments to array and cut off target object
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19 | const args = Array.prototype.slice.call(arguments, 1);
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20 | let val, src;
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21 | args.forEach(function (obj) {
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22 | // skip argument if it is array or isn't object
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23 | if (typeof obj !== 'object' || Array.isArray(obj)) {
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24 | return;
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25 | }
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26 | Object.keys(obj).forEach(function (key) {
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27 | src = target[key]; // source value
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28 | val = obj[key]; // new value
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29 | // recursion prevention
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30 | if (val === target) {
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31 | return;
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32 | /**
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33 | * if new value isn't object then just overwrite by new value
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34 | * instead of extending.
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35 | */
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36 | }
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37 | else if (typeof val !== 'object' || val === null) {
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38 | target[key] = val;
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39 | return;
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40 | // just clone arrays (and recursive clone objects inside)
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41 | }
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42 | else if (Array.isArray(val)) {
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43 | target[key] = deepCloneArray(val);
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44 | return;
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45 | // custom cloning and overwrite for specific objects
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46 | }
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47 | else if (isSpecificValue(val)) {
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48 | target[key] = cloneSpecificValue(val);
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49 | return;
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50 | // overwrite by new value if source isn't object or array
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51 | }
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52 | else if (typeof src !== 'object' || src === null || Array.isArray(src)) {
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53 | target[key] = deepExtend({}, val);
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54 | return;
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55 | // source value and new value is objects both, extending...
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56 | }
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57 | else {
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58 | target[key] = deepExtend(src, val);
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59 | return;
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60 | }
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61 | });
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62 | });
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63 | return target;
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64 | };
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65 | function isSpecificValue(val) {
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66 | return (val instanceof Date
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67 | || val instanceof RegExp) ? true : false;
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68 | }
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69 | function cloneSpecificValue(val) {
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70 | if (val instanceof Date) {
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71 | return new Date(val.getTime());
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72 | }
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73 | else if (val instanceof RegExp) {
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74 | return new RegExp(val);
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75 | }
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76 | else {
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77 | throw new Error('cloneSpecificValue: Unexpected situation');
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78 | }
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79 | }
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80 | /**
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81 | * Recursive cloning array.
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82 | */
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83 | function deepCloneArray(arr) {
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84 | const clone = [];
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85 | arr.forEach(function (item, index) {
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86 | if (typeof item === 'object' && item !== null) {
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87 | if (Array.isArray(item)) {
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88 | clone[index] = deepCloneArray(item);
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89 | }
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90 | else if (isSpecificValue(item)) {
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91 | clone[index] = cloneSpecificValue(item);
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92 | }
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93 | else {
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94 | clone[index] = deepExtend({}, item);
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95 | }
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96 | }
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97 | else {
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98 | clone[index] = item;
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99 | }
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100 | });
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101 | return clone;
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102 | }
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103 | // getDeepFromObject({result: {data: 1}}, 'result.data', 2); // returns 1
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104 | export function getDeepFromObject(object = {}, name, defaultValue) {
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105 | const keys = name.split('.');
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106 | // clone the object
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107 | let level = deepExtend({}, object || {});
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108 | keys.forEach((k) => {
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109 | if (level && typeof level[k] !== 'undefined') {
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110 | level = level[k];
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111 | }
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112 | else {
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113 | level = undefined;
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114 | }
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115 | });
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116 | return typeof level === 'undefined' ? defaultValue : level;
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117 | }
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118 | export function urlBase64Decode(str) {
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119 | let output = str.replace(/-/g, '+').replace(/_/g, '/');
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120 | switch (output.length % 4) {
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121 | case 0: {
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122 | break;
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123 | }
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124 | case 2: {
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125 | output += '==';
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126 | break;
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127 | }
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128 | case 3: {
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129 | output += '=';
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130 | break;
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131 | }
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132 | default: {
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133 | throw new Error('Illegal base64url string!');
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134 | }
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135 | }
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136 | return b64DecodeUnicode(output);
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137 | }
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138 | export function b64decode(str) {
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139 | const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
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140 | let output = '';
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141 | str = String(str).replace(/=+$/, '');
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142 | if (str.length % 4 === 1) {
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143 | throw new Error(`'atob' failed: The string to be decoded is not correctly encoded.`);
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144 | }
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145 | for (
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146 | // initialize result and counters
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147 | let bc = 0, bs, buffer, idx = 0;
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148 | // get next character
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149 | buffer = str.charAt(idx++);
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150 | // character found in table? initialize bit storage and add its ascii value;
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151 | ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
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152 | // and if not first of each 4 characters,
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153 | // convert the first 8 bits to one ascii character
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154 | bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0) {
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155 | // try to find character in table (0-63, not found => -1)
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156 | buffer = chars.indexOf(buffer);
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157 | }
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158 | return output;
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159 | }
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160 | // https://developer.mozilla.org/en/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem
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161 | export function b64DecodeUnicode(str) {
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162 | return decodeURIComponent(Array.prototype.map.call(b64decode(str), (c) => {
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163 | return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
|
164 | }).join(''));
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165 | }
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166 | //# 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* Extending object that entered in first argument.\n *\n * Returns extended object or false if have no target object or incorrect type.\n *\n * If you wish to clone source object (without modify it), just use empty new\n * object as first argument, like this:\n *   deepExtend({}, yourObj_1, [yourObj_N]);\n */\nexport const deepExtend = function (...objects: any[]): any {\n  if (arguments.length < 1 || typeof arguments[0] !== 'object') {\n    return false;\n  }\n\n  if (arguments.length < 2) {\n    return arguments[0];\n  }\n\n  const target = arguments[0];\n\n  // convert arguments to array and cut off target object\n  const args = Array.prototype.slice.call(arguments, 1);\n\n  let val, src;\n\n  args.forEach(function (obj: any) {\n    // skip argument if it is array or isn't object\n    if (typeof obj !== 'object' || Array.isArray(obj)) {\n      return;\n    }\n\n    Object.keys(obj).forEach(function (key) {\n      src = target[key]; // source value\n      val = obj[key]; // new value\n\n      // recursion prevention\n      if (val === target) {\n        return;\n\n        /**\n         * if new value isn't object then just overwrite by new value\n         * instead of extending.\n         */\n      } else if (typeof val !== 'object' || val === null) {\n        target[key] = val;\n\n        return;\n\n        // just clone arrays (and recursive clone objects inside)\n      } else if (Array.isArray(val)) {\n        target[key] = deepCloneArray(val);\n\n        return;\n\n        // custom cloning and overwrite for specific objects\n      } else if (isSpecificValue(val)) {\n        target[key] = cloneSpecificValue(val);\n\n        return;\n\n        // overwrite by new value if source isn't object or array\n      } else if (typeof src !== 'object' || src === null || Array.isArray(src)) {\n        target[key] = deepExtend({}, val);\n\n        return;\n\n        // source value and new value is objects both, extending...\n      } else {\n        target[key] = deepExtend(src, val);\n\n        return;\n      }\n    });\n  });\n\n  return target;\n};\n\nfunction isSpecificValue(val: any) {\n  return (\n    val instanceof Date\n    || val instanceof RegExp\n  ) ? true : false;\n}\n\nfunction cloneSpecificValue(val: any): any {\n  if (val instanceof Date) {\n    return new Date(val.getTime());\n  } else if (val instanceof RegExp) {\n    return new RegExp(val);\n  } else {\n    throw new Error('cloneSpecificValue: Unexpected situation');\n  }\n}\n\n/**\n * Recursive cloning array.\n */\nfunction deepCloneArray(arr: any[]): any {\n  const clone: any[] = [];\n  arr.forEach(function (item: any, index: any) {\n    if (typeof item === 'object' && item !== null) {\n      if (Array.isArray(item)) {\n        clone[index] = deepCloneArray(item);\n      } else if (isSpecificValue(item)) {\n        clone[index] = cloneSpecificValue(item);\n      } else {\n        clone[index] = deepExtend({}, item);\n      }\n    } else {\n      clone[index] = item;\n    }\n  });\n\n  return clone;\n}\n\n// getDeepFromObject({result: {data: 1}}, 'result.data', 2); // returns 1\nexport function getDeepFromObject(object = {}, name: string, defaultValue?: any) {\n  const keys = name.split('.');\n  // clone the object\n  let level = deepExtend({}, object || {});\n  keys.forEach((k) => {\n    if (level && typeof level[k] !== 'undefined') {\n      level = level[k];\n    } else {\n      level = undefined;\n    }\n  });\n\n  return typeof level === 'undefined' ? defaultValue : level;\n}\n\nexport function urlBase64Decode(str: string): string {\n  let output = str.replace(/-/g, '+').replace(/_/g, '/');\n  switch (output.length % 4) {\n    case 0: { break; }\n    case 2: { output += '=='; break; }\n    case 3: { output += '='; break; }\n    default: {\n      throw new Error('Illegal base64url string!');\n    }\n  }\n  return b64DecodeUnicode(output);\n}\n\nexport function b64decode(str: string): string {\n  const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n  let output: string = '';\n\n  str = String(str).replace(/=+$/, '');\n\n  if (str.length % 4 === 1) {\n    throw new Error(`'atob' failed: The string to be decoded is not correctly encoded.`);\n  }\n\n  for (\n    // initialize result and counters\n    let bc: number = 0, bs: any, buffer: any, idx: number = 0;\n    // get next character\n    buffer = str.charAt(idx++);\n    // character found in table? initialize bit storage and add its ascii value;\n    ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,\n      // and if not first of each 4 characters,\n      // convert the first 8 bits to one ascii character\n    bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0\n  ) {\n    // try to find character in table (0-63, not found => -1)\n    buffer = chars.indexOf(buffer);\n  }\n  return output;\n}\n\n// https://developer.mozilla.org/en/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem\nexport function b64DecodeUnicode(str: any) {\n  return decodeURIComponent(Array.prototype.map.call(b64decode(str), (c: any) => {\n    return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);\n  }).join(''));\n}\n"]} |
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