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@nebular/auth

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/** * Extending object that entered in first argument. * * Returns extended object or false if have no target object or incorrect type. * * If you wish to clone source object (without modify it), just use empty new * object as first argument, like this: * deepExtend({}, yourObj_1, [yourObj_N]); */ export const deepExtend = function (...objects) { if (arguments.length < 1 || typeof arguments[0] !== 'object') { return false; } if (arguments.length < 2) { return arguments[0]; } const target = arguments[0]; // convert arguments to array and cut off target object const args = Array.prototype.slice.call(arguments, 1); let val, src; args.forEach(function (obj) { // skip argument if it is array or isn't object if (typeof obj !== 'object' || Array.isArray(obj)) { return; } Object.keys(obj).forEach(function (key) { src = target[key]; // source value val = obj[key]; // new value // recursion prevention if (val === target) { return; /** * if new value isn't object then just overwrite by new value * instead of extending. */ } else if (typeof val !== 'object' || val === null) { target[key] = val; return; // just clone arrays (and recursive clone objects inside) } else if (Array.isArray(val)) { target[key] = deepCloneArray(val); return; // custom cloning and overwrite for specific objects } else if (isSpecificValue(val)) { target[key] = cloneSpecificValue(val); return; // overwrite by new value if source isn't object or array } else if (typeof src !== 'object' || src === null || Array.isArray(src)) { target[key] = deepExtend({}, val); return; // source value and new value is objects both, extending... } else { target[key] = deepExtend(src, val); return; } }); }); return target; }; function isSpecificValue(val) { return (val instanceof Date || val instanceof RegExp) ? true : false; } function cloneSpecificValue(val) { if (val instanceof Date) { return new Date(val.getTime()); } else if (val instanceof RegExp) { return new RegExp(val); } else { throw new Error('cloneSpecificValue: Unexpected situation'); } } /** * Recursive cloning array. */ function deepCloneArray(arr) { const clone = []; arr.forEach(function (item, index) { if (typeof item === 'object' && item !== null) { if (Array.isArray(item)) { clone[index] = deepCloneArray(item); } else if (isSpecificValue(item)) { clone[index] = cloneSpecificValue(item); } else { clone[index] = deepExtend({}, item); } } else { clone[index] = item; } }); return clone; } // getDeepFromObject({result: {data: 1}}, 'result.data', 2); // returns 1 export function getDeepFromObject(object = {}, name, defaultValue) { const keys = name.split('.'); // clone the object let level = deepExtend({}, object || {}); keys.forEach((k) => { if (level && typeof level[k] !== 'undefined') { level = level[k]; } else { level = undefined; } }); return typeof level === 'undefined' ? defaultValue : level; } export function urlBase64Decode(str) { let output = str.replace(/-/g, '+').replace(/_/g, '/'); switch (output.length % 4) { case 0: { break; } case 2: { output += '=='; break; } case 3: { output += '='; break; } default: { throw new Error('Illegal base64url string!'); } } return b64DecodeUnicode(output); } export function b64decode(str) { const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; let output = ''; str = String(str).replace(/=+$/, ''); if (str.length % 4 === 1) { throw new Error(`'atob' failed: The string to be decoded is not correctly encoded.`); } for ( // initialize result and counters let bc = 0, bs, buffer, idx = 0; // 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; } // https://developer.mozilla.org/en/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem export function b64DecodeUnicode(str) { return decodeURIComponent(Array.prototype.map.call(b64decode(str), (c) => { return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2); }).join('')); } //# 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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"]}