@cainiaofe/cn-ui-m
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JavaScript
import { __spreadArray } from "tslib";
/* eslint-disable */
import isArray from 'lodash/isArray';
import React from 'react';
/**
* 获取对象的类型
* @param {*} obj
* @return {String}
*
* @example
* typeOf([]) === 'Array'
* typeOf() === 'Undefined'
* typeOf(1) === 'Number'
*/
export function typeOf(obj) {
return Object.prototype.toString.call(obj).replace(/\[object\s|]/g, '');
}
/**
* 判断对象是否是一个promise，即是否可以用.then
*/
export function isPromise(obj) {
return (!!obj &&
(typeof obj === 'object' || typeof obj === 'function') &&
// @ts-ignore
typeof obj.then === 'function');
}
/**
* 是否是一个纯净的对象
* @param {*} obj
* @return {Boolean}
* @reference https://github.com/jonschlinkert/is-plain-object
*/
export function isPlainObject(obj) {
if (typeOf(obj) !== 'Object') {
return false;
}
var ctor = obj.constructor;
if (typeof ctor !== 'function') {
return false;
}
var prot = ctor.prototype;
if (typeOf(prot) !== 'Object') {
return false;
}
if (!prot.hasOwnProperty('isPrototypeOf')) {
return false;
}
return true;
}
/**
* 对象浅比较
* @param {Object} objA
* @param {Object} objB
* @param {Function} [compare] 手动调用方法比较
* @return {Boolean} 对象浅比较是否相等
*
* @example
* object.shallowEqual({a: 100}, {a: 100}); // true
*/
export function shallowEqual(objA, objB, compare) {
if (objA === objB) {
return true;
}
// 其中一个不是object，则不相等
if (!objA || !objB || typeof objA + typeof objB !== 'objectobject') {
return false;
}
var keyA = Object.keys(objA);
var keyB = Object.keys(objB);
var len = keyA.length;
// key 数量不一致则不相等
if (len !== keyB.length) {
return false;
}
var hasCallback = typeof compare === 'function';
for (var i = 0; i < len; i++) {
var key = keyA[i];
if (!Object.prototype.hasOwnProperty.call(objB, key)) {
return false;
}
var valA = objA[key];
var valB = objB[key];
var ret = hasCallback ? compare(valA, valB, key) : void 0;
if (ret === false || (ret === void 0 && valA !== valB)) {
return false;
}
}
return true;
}
/**
* 遍历对象或数组，或者类数组，例如React中的children对象、arguments等
* @param {Object|Array} obj
* @param {Function} callback fn(n, i) or fn(val, key)
* @param {Number} [direction = 1] 是否倒序遍历，只对数组有效
* @return {Object|Array}
*
* @example
* // 遍历数组
* object.each([100, 200, 300], (n, i) => console.log(n, i));
* // 遍历json对象
* object.each({a: 100, b: 200}, (value, key) => console.log(key, value));
* // 遍历React子节点
* object.each(this.props.children, (child, index) => console.log(child));
* // 遍历arguments
* object.each(arguments, (arg, i) => console.log(arg));
*/
export function each(obj, callback, direction) {
var reversed = direction === -1;
var length = obj.length;
var value, i = reversed ? length - 1 : 0;
if (isArray(obj)) {
for (; i < length && i >= 0; reversed ? i-- : i++) {
value = callback.call(obj[i], obj[i], i);
if (value === false) {
break;
}
}
}
else {
// @ts-ignore
for (i in obj) {
/* istanbul ignore else */
if (obj.hasOwnProperty(i)) {
value = callback.call(obj[i], obj[i], i);
if (value === false) {
break;
}
}
}
}
return obj;
}
// @private 判断key是否在数组或对象中
// @ts-ignore
var _isInObj = function (key, obj, isArray) {
return isArray ? obj.indexOf(key) > -1 : key in obj;
};
/**
* 过滤出其它属性
* @param {Object|Array} holdProps 过滤的参照对象，最终的结果只保留不在参照对象中的key
* @param {Object} props 被过滤的对象
* @return {Object} others
*
* @example
* object.pickOthers(FooComponent.propTypes, this.props);
* object.pickOthers(['className', 'onChange'], this.props);
*/
export function pickOthers(holdProps, props) {
var others = {};
var isArray = typeOf(holdProps) === 'Array';
for (var key in props) {
if (!_isInObj(key, holdProps, isArray)) {
others[key] = props[key];
}
}
return others;
}
/**
* 过滤出需要的属性
* @param {Object|Array} holdProps 过滤的参照对象，最终的结果只保留在参照对象中的key
* @param {Object} props 被过滤的对象
* @return {Object} others
*
* @example
* object.pickProps(FooComponent.propTypes, this.props);
* object.pickProps(['className', 'onChange'], this.props);
*/
export function pickProps(holdProps, props) {
var others = {};
var isArray = typeOf(holdProps) === 'Array';
for (var key in props) {
if (_isInObj(key, holdProps, isArray)) {
others[key] = props[key];
}
}
return others;
}
/**
* 过滤出带prefix的属性
* @param {Object} holdProps 过滤的参照对象，最终的结果只保留不在参照对象中的key
* @param {string} prefix 包含的字符串
* @return {Object} others
*
* @example
* object.pickAttrsWith(FooComponent.propTypes, 'data-');
*/
export function pickAttrsWith(holdProps, prefix) {
var others = {};
for (var key in holdProps) {
if (key.match(prefix)) {
others[key] = holdProps[key];
}
}
return others;
}
/**
* Checks if value is `null` or `undefined`.
* @param {*} value
* @return {Boolean}
*/
export function isNil(value) {
// It will returns `true` only if `null` or `undefined` compare with `null`
// with loose equaliy
return value == null; // eslint-disable-line eqeqeq
}
/**
* Deep merge two objects.
* @param target
* @param ...sources
* @reference https://stackoverflow.com/questions/27936772/how-to-deep-merge-instead-of-shallow-merge?page=1&tab=votes#tab-top
*/
export function deepMerge(target) {
var _a, _b;
var sources = [];
for (var _i = 1; _i < arguments.length; _i++) {
sources[_i - 1] = arguments[_i];
}
if (!sources.length)
return target;
var source = sources.shift();
if (!isPlainObject(target)) {
target = {};
}
if (isPlainObject(target) && isPlainObject(source)) {
for (var key in source) {
// 如果是object 进行深拷贝
if (isPlainObject(source[key]) && !React.isValidElement(source[key])) {
if (!target[key])
Object.assign(target, (_a = {}, _a[key] = {}, _a));
// fix {a: 'te'}, {a:{b:3}}
if (!isPlainObject(target[key])) {
target[key] = source[key];
}
deepMerge(target[key], source[key]);
// string/number/function/react node 等直接复制
}
else {
Object.assign(target, (_b = {}, _b[key] = source[key], _b));
}
}
}
return deepMerge.apply(void 0, __spreadArray([target], sources, false));
}
/**
* 组件是否为 Fucntion Component
* @param {*} component 传入的组件
*/
export function isFunctionComponent(component) {
return (typeOf(component) === 'Function' &&
component.prototype &&
component.prototype.isReactComponent === undefined);
}
/**
* 组件是否为 Class Component
* @param {*} component 传入的组件
*/
export function isClassComponent(component) {
return (typeOf(component) === 'Function' &&
component.prototype &&
component.prototype.isReactComponent !== undefined);
}
/**
* 判断是否为 ReactFragment
* @param {*} component 传入的组件
*/
export function isReactFragment(component) {
if (isNil(component)) {
return false;
}
if (component.type) {
return component.type === React.Fragment;
}
return component === React.Fragment;
}
/**
* Creates an array of the own enumerable string keyed property values of object.
*
* @param {Object} obj
* @returns {Array}
*
* @example
* // returns [1, 2]
* values({a: 1, b: 2})
*/
export function values(obj) {
if (Object.values) {
return Object.values(obj);
}
var vals = [];
for (var key in obj) {
if (obj.hasOwnProperty(key)) {
vals.push(obj[key]);
}
}
return vals;
}
/**
* 过滤 undefined 类型的值
* @param {*} obj
* @return {Object}
*/
export function filterUndefinedValue(object) {
if (!isPlainObject(object)) {
return object;
}
var obj = {};
Object.keys(object).forEach(function (key) {
var value = object[key];
if (value !== undefined) {
obj[key] = value;
}
});
return obj;
}
/**
* 从 obj 中去除 subObj
* @param {*} obj
* @param {*} subObj
* @return {Object}
*/
export function stripObject(obj, subObj) {
var newObject = {};
Object.keys(obj).forEach(function (key) {
if (!(key in subObj)) {
newObject[key] = obj[key];
}
});
return newObject;
}