mirror of
https://gitee.com/baidu/amis.git
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293 lines
7.2 KiB
JavaScript
293 lines
7.2 KiB
JavaScript
/**
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* @file: mod.js
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* @author fis
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* ver: 1.0.13
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* update: 2016/01/27
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* https://github.com/fex-team/mod
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*/
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var require;
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/* eslint-disable no-unused-vars */
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var define;
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(function (global) {
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var amis = window.amis || {};
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// 避免重复加载而导致已定义模块丢失
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if (require) {
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return;
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}
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var head = document.getElementsByTagName('head')[0];
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var loadingMap = {};
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var factoryMap = {};
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var modulesMap = {};
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var scriptsMap = {};
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var resMap = {};
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var pkgMap = {};
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var createScripts = function (queues, onerror) {
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var docFrag = document.createDocumentFragment();
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for (var i = 0, len = queues.length; i < len; i++) {
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var id = queues[i].id;
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var url = queues[i].url;
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if (url in scriptsMap) {
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continue;
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}
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scriptsMap[url] = true;
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var script = document.createElement('script');
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if (onerror) {
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(function (script, id) {
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var tid = setTimeout(function () {
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onerror(id);
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}, require.timeout);
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script.onerror = function () {
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clearTimeout(tid);
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onerror(id);
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};
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var onload = function () {
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clearTimeout(tid);
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};
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if ('onload' in script) {
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script.onload = onload;
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}
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else {
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script.onreadystatechange = function () {
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if (this.readyState === 'loaded' || this.readyState === 'complete') {
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onload();
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}
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};
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}
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})(script, id);
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}
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script.type = 'text/javascript';
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script.src = url;
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docFrag.appendChild(script);
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}
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head.appendChild(docFrag);
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};
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var loadScripts = function (ids, callback, onerror) {
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var queues = [];
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for (var i = 0, len = ids.length; i < len; i++) {
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var id = ids[i];
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var queue = loadingMap[id] || (loadingMap[id] = []);
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queue.push(callback);
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//
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// resource map query
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//
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var res = resMap[id] || resMap[id + '.js'] || {};
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var pkg = res.pkg;
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var url;
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if (pkg) {
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url = pkgMap[pkg].url || pkgMap[pkg].uri;
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}
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else {
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url = res.url || res.uri || id;
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}
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queues.push({
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id: id,
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url: url
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});
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}
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createScripts(queues, onerror);
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};
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define = function (id, factory) {
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id = id.replace(/\.js$/i, '');
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factoryMap[id] = factory;
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var queue = loadingMap[id];
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if (queue) {
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for (var i = 0, n = queue.length; i < n; i++) {
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queue[i]();
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}
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delete loadingMap[id];
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}
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};
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require = function (id) {
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// compatible with require([dep, dep2...]) syntax.
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if (id && id.splice) {
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return require.async.apply(this, arguments);
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}
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id = require.alias(id);
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var mod = modulesMap[id];
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if (mod) {
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return mod.exports;
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}
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//
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// init module
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//
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var factory = factoryMap[id];
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if (!factory) {
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throw '[ModJS] Cannot find module `' + id + '`';
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}
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mod = modulesMap[id] = {
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exports: {}
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};
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//
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// factory: function OR value
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//
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var ret = (typeof factory === 'function') ? factory.apply(mod, [require, mod.exports, mod]) : factory;
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if (ret) {
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mod.exports = ret;
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}
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return mod.exports;
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};
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require.async = function (names, onload, onerror) {
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if (typeof names === 'string') {
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names = [names];
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}
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var needMap = {};
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var needNum = 0;
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var needLoad = [];
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function findNeed(depArr) {
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var child;
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for (var i = 0, n = depArr.length; i < n; i++) {
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//
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// skip loading or loaded
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//
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var dep = require.alias(depArr[i]);
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if (dep in needMap) {
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continue;
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}
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needMap[dep] = true;
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if (dep in factoryMap) {
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// check whether loaded resource's deps is loaded or not
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child = resMap[dep] || resMap[dep + '.js'];
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if (child && 'deps' in child) {
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findNeed(child.deps);
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}
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continue;
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}
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needLoad.push(dep);
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needNum++;
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child = resMap[dep] || resMap[dep + '.js'];
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if (child && 'deps' in child) {
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findNeed(child.deps);
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}
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}
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}
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function updateNeed() {
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if (0 === needNum--) {
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var args = [];
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for (var i = 0, n = names.length; i < n; i++) {
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args[i] = require(names[i]);
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}
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onload && onload.apply(global, args);
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}
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}
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findNeed(names);
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loadScripts(needLoad, updateNeed, onerror);
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updateNeed();
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};
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require.ensure = function (names, callback) {
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require.async(names, function () {
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callback && callback.call(this, require);
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});
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};
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require.resourceMap = function (obj) {
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var k;
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var col;
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// merge `res` & `pkg` fields
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col = obj.res;
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for (k in col) {
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if (col.hasOwnProperty(k)) {
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resMap[k] = col[k];
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}
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}
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col = obj.pkg;
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for (k in col) {
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if (col.hasOwnProperty(k)) {
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pkgMap[k] = col[k];
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}
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}
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};
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require.loadJs = function (url) {
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if (url in scriptsMap) {
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return;
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}
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scriptsMap[url] = true;
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = url;
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head.appendChild(script);
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};
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require.loadCss = function (cfg) {
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if (cfg.content) {
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var sty = document.createElement('style');
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sty.type = 'text/css';
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if (sty.styleSheet) { // IE
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sty.styleSheet.cssText = cfg.content;
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}
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else {
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sty.innerHTML = cfg.content;
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}
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head.appendChild(sty);
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}
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else if (cfg.url) {
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var link = document.createElement('link');
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link.href = cfg.url;
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link.rel = 'stylesheet';
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link.type = 'text/css';
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head.appendChild(link);
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}
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};
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require.alias = function (id) {
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return id.replace(/\.js$/i, '');
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};
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require.timeout = 5000;
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amis.require = require;
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amis.define = define;
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window.amis = amis;
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})(this);
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