const type = (data) => {
return Object.prototype.toString.call(data).match(/.*\s(.*)]/)[1].toLowerCase();
};
//deepEqual 分类处理所有数据类型
export function funDeepEqual (arg1, arg2) {
if (arg1 === arg2) {
return true;
}
//解决Number类型 NaN 不等于 NaN
if (typeof arg1 === 'number' && typeof arg2 === 'number' && isNaN(arg1) && isNaN(arg2)) {
return true
}
//比对function
if (typeof arg1 === 'function' && typeof arg2 === 'function') {
return arg1.toString() === arg2.toString();
}
//对比RegExp
if (arg1 instanceof RegExp && arg2 instanceof RegExp) {
return arg1.toString() === arg2.toString();
}
//Date类型
if (arg1 instanceof Date && arg2 instanceof Date) {
return arg1.getTime() === arg2.getTime();
}
//Object
if (type(arg1) === 'object' && type(arg2) === 'object') {
let arg1KeyList = Object.keys(arg1);
let arg2KeyList = Object.keys(arg2);
//keys长度判断
if (arg1KeyList.length !== arg2KeyList.length) return false;
let len = arg1KeyList.length;
for (let i = 0; i <= len; i++) {
//类型判断
if (type(arg1[arg1KeyList[i]]) !== type(arg2[arg1KeyList[i]])) {
return false
}
if (!funDeepEqual(arg1[arg1KeyList[i]], arg2[arg1KeyList[i]])) {
return false
}
}
return true
}
//Array
if (type(arg1) === 'array' && type(arg2) === 'array') {
let arg1Length = arg1.length;
let arg2Length = arg2.length;
//长度判断
if (arg1Length !== arg2Length) return false;
for (let i = 0; i <= arg1Length; i++) {
//类型判断
if (type(arg1[i]) !== type(arg2[i])) {
return false
}
if (!funDeepEqual(arg1[i], arg2[i])) {
return false
}
}
return true
}
return false;
};
//deepClone 分类处理所有数据类型
export function funDeepClone (arg1) {
let result;
//undefined, null, '', 0, false
if (!arg1) {
return arg1;
}
//基础类型判断（string，number，boolean）
let baseTypeList = ['string', 'number', 'boolean'];
if (baseTypeList.indexOf(typeof arg1) !== -1) {
return arg1
}
//复杂类型判断
if (type(arg1) === 'array') {
result = [];
arg1.forEach((item, index) => {
result[index] = funDeepClone(item)
})
} else if (type(arg1) === 'object') {
result = {};
let keyList = Object.keys(arg1);
for (let i = 0, len = keyList.length; i < len; i++) {
result[keyList[i]] = funDeepClone(arg1[keyList[i]])
}
} else if (type(arg1) === 'function') {
result = new Function(arg1);
} else if (type(arg1) === 'date') {
result = new Date(arg1);
} else if (type(arg1) === 'regexp') {
result = new RegExp(arg1);
}
return result;
};
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