SOP/sop-admin/sop-admin-front/assets/js/lib.js

/*! LAB.js (LABjs :: Loading And Blocking JavaScript)
    v2.0.3 (c) Kyle Simpson
    MIT License
    https://www.cnblogs.com/zichi/p/4689008.html
*/
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var lib = (function () {
    // 始终需要加载的js
    var alwaysLoadJs = [
        '../../config/config.js'
        ,'../../assets/lib/jquery/3.2.1/jquery.min.js'
        ,'../../assets/lib/layui/layui.js'
        ,'../../assets/lib/easyopen/sdk.js'
        ,'../../assets/lib/layuiext/Form.js'
        ,'../../assets/js/ApiUtil.js'
    ]

    var jsArr = [];
    var layuiConfig, layuiExtend;

    /**
     * 加载js
     * @param jsArr js路径数组，存放js路径
     * @param require layui依赖模块
     * @param loadSuccess 加载成功后触发
     */
    function loadJs(jsArr, loadSuccess) {
        // 接着加载自定义的js
        jsArr = addVersion(jsArr);

        $LAB
            .script(alwaysLoadJs) // 先加载全局js
            .wait() // 执行加载
            .script(jsArr) // 接着加载自定义的js
            // 全部加载成后执行
            .wait(function () {
                loadSuccess && loadSuccess();
            });
    }

    /**
     * 给js添加版本号，防止缓存
     * @param jsArr js路径数组
     */
    function addVersion(jsArr) {
        if (typeof jsArr === 'string') {
            jsArr = [jsArr];
        }
        var v = new Date().getTime();
        for (var i = 0; i < jsArr.length; i++) {
            jsArr[i] = jsArr[i] + '?v=' + (v++);
        }
        return jsArr;
    }
    
    return {
        /**
         * 加载js模块
         * @param jsPath js相对路径，针对于使用页面。可以是字符串，也可以是数组
         * @returns {lib}
         */
        importJs: function (jsPath) {
            if (jsPath) {
                if (typeof jsPath === 'string') {
                    jsPath = [jsPath];
                }
                jsArr = jsArr.concat(jsPath);
            }
            return this;
        }
        , config: function (cfg) {
            layuiConfig = cfg;
            return this;
        }
        , extend: function (ext) {
            layuiExtend = ext;
            return this;
        }
        /**
         * layui初始化，同layui.use()
         * @param require
         * @param layuiInitFun
         */
        , use: function (require, layuiInitFun) {
            loadJs(jsArr, function () {
                if (layuiConfig) {
                    layui.config(layuiConfig);
                }
                if (layuiExtend) {
                    layui.extend(layuiExtend);
                }
                layui.use(require, layuiInitFun);
            });
        }
    }
})();