175 lines
4.2 KiB
JavaScript
175 lines
4.2 KiB
JavaScript
const $ = {};
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/**
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* 类型判断
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* @param {String} type 值的类型
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* @param {Any} val 需要判断的值
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* @return {Boolean}
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*/
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$.isType = function (type, val) {
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return Object.prototype.toString.call(val) === `[object ${type}]`;
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}
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/**
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* 简单对象的深拷贝
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* @param {Array<Any>} args 参数列表
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* @return {Object<Any>}
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*/
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$.deepCopy = function (...args) {
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let res = {};
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args.forEach(arg => {
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for (const key in arg) {
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res = assginValue(key, arg[key], res, $.deepCopy);
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}
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});
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return res;
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}
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const assginValue = function (key, val, container, callback) {
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const vType = typeof val === 'object';
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const cType = typeof container[key] === 'object';
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if (cType && vType) {
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container[key] = callback(container[key], val);
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} else if (vType) {
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container[key] = callback({}, val);
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} else {
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container[key] = val;
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}
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return container;
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}
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/**
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* 扩展对象的属性或方法
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* @param {Object} a 需要扩展的对象
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* @param {Object} b 被拷贝对象
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* @param {Object} args 扩展函数继承的对象
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* @return {Object}
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*/
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$.extend = function (a, b, args) {
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for (const key in b) {
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const val = b[key];
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if (args && $.isType('Function', val)) {
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a[key] = val.bind(args);
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} else {
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a[key] = val;
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}
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}
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return a;
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}
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/**
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* 获取完整的URL
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* @param {String|Undefined} baseURL 基地址
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* @param {String} requestURL 相对地址
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* @return {String}
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*/
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$.getFullURL = function (baseURL, requestURL) {
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if (baseURL && !isAbsoluteURL(requestURL)) {
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return composeURL(baseURL, requestURL);
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}
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return requestURL;
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}
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/**
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* 组合成绝对地址的 URL (基地址+相对地址)
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* @param {String} baseURL 基地址
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* @param {String} relativeURL 相对地址
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* @return {String}
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*/
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const composeURL = function (baseURL, relativeURL) {
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return relativeURL ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '') : baseURL;
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}
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/**
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* 判断是否是绝对地址 (有 `://`或 `//` 就算是绝对地址)
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* @param {String} url
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* @return {Boolean}
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*/
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const isAbsoluteURL = function (url) {
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return /^([a-z][a-z\d\+\-\.]*:)?\/\//i.test(url);
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}
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/**
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* url添加params参数
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* @param {Object} o config
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* @param {Object} o.url
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* @param {Object} o.method
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* @param {Object} o.data
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* @param {Object} o.params
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* @return {String}
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*/
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$.paramsToURL = function ({ url, method, data, params }) {
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let newParams = params;
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let newURL = url + (!~url.indexOf('?') ? '?' : '&');
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if (method.toLowerCase() === 'get') {
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newParams = data || params;
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}
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for (const [key, val] of Object.entries(newParams || {})) {
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newURL += `${key}=${val}&`;
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}
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return newURL.substring(0, newURL.length - 1);
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}
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/**
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* `content-type` 适配器
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* @param {Object} defaultHeader [{}]
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* @param {Object} instanceHeader [{}]
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* @param {Object} configHeader
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* @return {Object}
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*/
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$.adapterContentType = function (defaultHeader = {}, instanceHeader = {}, configHeader) {
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const LIST = ['content-type', 'Content-type', 'Content-Type', 'contentType', 'ContentType'];
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const newConfigHeader = $.deepCopy(configHeader);
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let val;
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for (const KEY of Object.keys(defaultHeader)) {
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if (LIST.includes(KEY)) {
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val = defaultHeader[KEY];
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delete newConfigHeader[KEY];
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break;
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}
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}
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for (const KEY of Object.keys(instanceHeader)) {
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if (LIST.includes(KEY)) {
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val = instanceHeader[KEY];
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delete newConfigHeader[KEY];
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break;
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}
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}
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val && (newConfigHeader['content-type'] = val);
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return newConfigHeader;
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}
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// 停止promise的链式操作
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$.breakPromise = function () {
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return new Promise(() => { })
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}
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// 转换为 JSON 格式
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$.toJSON = function (anyVal) {
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try {
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return JSON.parse(anyVal)
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} catch (e) {
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return anyVal;
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}
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}
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// 删除 url 上的参数
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// $.delURLQueryString = function (url) {
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// return url.replace(/\?[\S|\s]+/, '');
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// }
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export default $; |