angular-odata
Version:
Client side OData typescript library for Angular
136 lines • 16.3 kB
JavaScript
function cloneSymbol(targe) {
return Object(Symbol.prototype.valueOf.call(targe));
}
function cloneReg(targe) {
const reFlags = /\w*$/;
const result = new targe.constructor(targe.source, reFlags.exec(targe));
result.lastIndex = targe.lastIndex;
return result;
}
export const Types = {
rawType(value) {
return Object.prototype.toString.call(value).slice(8, -1);
},
isObject(value) {
return typeof value === 'object' && value !== null;
},
isPlainObject(value) {
if (this.rawType(value) !== 'Object') {
return false;
}
const prototype = Object.getPrototypeOf(value);
return prototype === null || prototype === Object.prototype;
},
isFunction(value) {
return typeof value === 'function';
},
isArray(value) {
return Array.isArray(value);
},
isMap(value) {
return this.rawType(value) === 'Map';
},
isEmpty(value) {
return (value === undefined ||
value === null ||
(typeof value === 'string' && !value.length) ||
(value instanceof Date && isNaN(value.valueOf())) ||
(Types.isMap(value) && !value.size) ||
(Types.isArray(value) && !value.length) ||
(Types.isFunction(value.isEmpty) && value.isEmpty()) ||
(Types.isArray(value) &&
value.every((v) => Types.isEmpty(v))) ||
(Types.isPlainObject(value) &&
!Object.keys(value).filter((k) => value.hasOwnProperty(k)).length));
},
isEqual(value1, value2) {
function getType(obj) {
return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase();
}
function areDatesEqual() {
return value1.getTime() === value2.getTime();
}
function areArraysBufferEqual() {
if (value1.byteLength !== value2.byteLength) {
return false;
}
var view1 = new DataView(value1);
var view2 = new DataView(value2);
var i = value1.byteLength;
while (i--) {
if (view1.getUint8(i) !== view2.getUint8(i)) {
return false;
}
}
return true;
}
function areArraysEqual() {
// Check length
if (value1.length !== value2.length)
return false;
// Check each item in the array
for (let i = 0; i < value1.length; i++) {
if (!Types.isEqual(value1[i], value2[i]))
return false;
}
// If no errors, return true
return true;
}
function areObjectsEqual() {
if (Object.keys(value1).length !== Object.keys(value2).length)
return false;
// Check each item in the object
for (let key in value1) {
if (Object.prototype.hasOwnProperty.call(value1, key)) {
if (!Types.isEqual(value1[key], value2[key]))
return false;
}
}
// If no errors, return true
return true;
}
function areFunctionsEqual() {
return value1.toString() === value2.toString();
}
function arePrimativesEqual() {
return value1 === value2;
}
// Get the object type
let type = getType(value1);
// If the two items are not the same type, return false
if (type !== getType(value2))
return false;
// Compare based on type
if (type === 'date')
return areDatesEqual();
if (type === 'arraybuffer')
return areArraysBufferEqual();
if (type === 'array')
return areArraysEqual();
if (type === 'object')
return areObjectsEqual();
if (type === 'function')
return areFunctionsEqual();
return arePrimativesEqual();
},
clone(target) {
const constrFun = target.constructor;
switch (this.rawType(target)) {
case 'Boolean':
case 'Number':
case 'String':
case 'Error':
case 'Date':
return new constrFun(target);
case 'RegExp':
return cloneReg(target);
case 'Symbol':
return cloneSymbol(target);
case 'Function':
return target;
default:
return null;
}
},
};
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cloneSymbol(targe: any) {\n  return Object(Symbol.prototype.valueOf.call(targe));\n}\n\nfunction cloneReg(targe: any) {\n  const reFlags = /\\w*$/;\n  const result = new targe.constructor(targe.source, reFlags.exec(targe));\n  result.lastIndex = targe.lastIndex;\n  return result;\n}\n\nexport const Types = {\n  rawType(value: any) {\n    return Object.prototype.toString.call(value).slice(8, -1);\n  },\n\n  isObject(value: any) {\n    return typeof value === 'object' && value !== null;\n  },\n\n  isPlainObject(value: any) {\n    if (this.rawType(value) !== 'Object') {\n      return false;\n    }\n\n    const prototype = Object.getPrototypeOf(value);\n    return prototype === null || prototype === Object.prototype;\n  },\n\n  isFunction(value: any): boolean {\n    return typeof value === 'function';\n  },\n\n  isArray(value: any): boolean {\n    return Array.isArray(value);\n  },\n\n  isMap(value: any): boolean {\n    return this.rawType(value) === 'Map';\n  },\n\n  isEmpty(value: any): boolean {\n    return (\n      value === undefined ||\n      value === null ||\n      (typeof value === 'string' && !value.length) ||\n      (value instanceof Date && isNaN(value.valueOf())) ||\n      (Types.isMap(value) && !value.size) ||\n      (Types.isArray(value) && !value.length) ||\n      (Types.isFunction(value.isEmpty) && value.isEmpty()) ||\n      (Types.isArray(value) &&\n        (value as any[]).every((v) => Types.isEmpty(v))) ||\n      (Types.isPlainObject(value) &&\n        !Object.keys(value).filter((k) => value.hasOwnProperty(k)).length)\n    );\n  },\n\n  isEqual(value1: any, value2: any) {\n    function getType(obj: any) {\n      return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase();\n    }\n\n    function areDatesEqual() {\n      return value1.getTime() === value2.getTime();\n    }\n\n    function areArraysBufferEqual() {\n      if (value1.byteLength !== value2.byteLength) {\n        return false;\n      }\n\n      var view1 = new DataView(value1);\n      var view2 = new DataView(value2);\n\n      var i = value1.byteLength;\n      while (i--) {\n        if (view1.getUint8(i) !== view2.getUint8(i)) {\n          return false;\n        }\n      }\n\n      return true;\n    }\n\n    function areArraysEqual() {\n      // Check length\n      if (value1.length !== value2.length) return false;\n\n      // Check each item in the array\n      for (let i = 0; i < value1.length; i++) {\n        if (!Types.isEqual(value1[i], value2[i])) return false;\n      }\n\n      // If no errors, return true\n      return true;\n    }\n\n    function areObjectsEqual() {\n      if (Object.keys(value1).length !== Object.keys(value2).length)\n        return false;\n\n      // Check each item in the object\n      for (let key in value1) {\n        if (Object.prototype.hasOwnProperty.call(value1, key)) {\n          if (!Types.isEqual(value1[key], value2[key])) return false;\n        }\n      }\n\n      // If no errors, return true\n      return true;\n    }\n\n    function areFunctionsEqual() {\n      return value1.toString() === value2.toString();\n    }\n\n    function arePrimativesEqual() {\n      return value1 === value2;\n    }\n\n    // Get the object type\n    let type = getType(value1);\n\n    // If the two items are not the same type, return false\n    if (type !== getType(value2)) return false;\n\n    // Compare based on type\n    if (type === 'date') return areDatesEqual();\n    if (type === 'arraybuffer') return areArraysBufferEqual();\n    if (type === 'array') return areArraysEqual();\n    if (type === 'object') return areObjectsEqual();\n    if (type === 'function') return areFunctionsEqual();\n    return arePrimativesEqual();\n  },\n  clone(target: any) {\n    const constrFun = target.constructor;\n    switch (this.rawType(target)) {\n      case 'Boolean':\n      case 'Number':\n      case 'String':\n      case 'Error':\n      case 'Date':\n        return new constrFun(target);\n      case 'RegExp':\n        return cloneReg(target);\n      case 'Symbol':\n        return cloneSymbol(target);\n      case 'Function':\n        return target;\n      default:\n        return null;\n    }\n  },\n};\n"]}