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67 lines
1.8 KiB
67 lines
1.8 KiB
5 years ago
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(function () {
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if (!window.$) {
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console.warn('qcmain::loader:\n\tjquery don\'t be loaded first!');
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return;
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}
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var NAV_TYPE = {
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leftnav: 'leftnav',
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topnav_firstlevel: 'topnav_firstlevel',
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topnav_sndlevel: 'topnav_sndlevel',
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};
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var NAV_METADATA = {};
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NAV_METADATA[NAV_TYPE.leftnav] = {
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selector: '#qcLeftNavSwitcher',
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dataJs: "//main.qcloudimg.com/scripts/qccomponents/left-nav.3cab8319a893bdfb2876e4cd5499b986.js",
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};
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NAV_METADATA[NAV_TYPE.topnav_firstlevel] = {
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selector: '#qcTopNavFstLevel',
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};
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NAV_METADATA[NAV_TYPE.topnav_sndlevel] = {
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selector: '#qcTopNavSndLevelSheetContainer',
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dataJs: "//main.qcloudimg.com/scripts/qccomponents/top-nav.2261e6b4e90fa5d7bdffa2ae9d606f2c.js",
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};
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var availableNavs = [NAV_TYPE.leftnav, NAV_TYPE.topnav_firstlevel, NAV_TYPE.topnav_sndlevel].filter(function (nav) {
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return $(NAV_METADATA[nav].selector).length > 0;
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});
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if(availableNavs.length === 0){
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return;
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}
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var shouldLoadDataJsNavs = availableNavs.filter(function (nav) {
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return !!NAV_METADATA[nav].dataJs;
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});
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var COMPLETED = 1 + shouldLoadDataJsNavs.length;
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var step = 0;
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function loadScript (src, callback) {
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var script = document.createElement('script');
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script.onerror = function (error) { callback(error, null); };
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script.onload = function () { callback(null, null); };
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script.src = src;
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document.head.appendChild(script);
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}
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function loadScriptCallback (error) {
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step++;
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if (error) {
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return;
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}
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if (step === COMPLETED && window.QCComponent) {
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window.QCComponent.init();
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}
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}
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shouldLoadDataJsNavs.forEach(function (nav) {
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loadScript(NAV_METADATA[nav].dataJs,loadScriptCallback)
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});
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var logicalScript = "//imgcache.qq.com/qcloud/main/scripts/release/qccomponent/index.93e5437c205358f68660.js?max_age=31536000";
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loadScript(logicalScript, loadScriptCallback);
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})();
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