mirror of
https://gitee.com/baidu/amis.git
synced 2024-12-11 02:26:31 +08:00
288 lines
7.1 KiB
JavaScript
288 lines
7.1 KiB
JavaScript
/**
|
|
* @file: mod.js
|
|
* @author fis
|
|
* ver: 1.0.13
|
|
* update: 2016/01/27
|
|
* https://github.com/fex-team/mod
|
|
*/
|
|
var require;
|
|
|
|
/* eslint-disable no-unused-vars */
|
|
var define;
|
|
|
|
(function (global) {
|
|
|
|
// 避免重复加载而导致已定义模块丢失
|
|
if (require) {
|
|
return;
|
|
}
|
|
|
|
var head = document.getElementsByTagName('head')[0];
|
|
var loadingMap = {};
|
|
var factoryMap = {};
|
|
var modulesMap = {};
|
|
var scriptsMap = {};
|
|
var resMap = {};
|
|
var pkgMap = {};
|
|
|
|
var createScripts = function (queues, onerror) {
|
|
|
|
var docFrag = document.createDocumentFragment();
|
|
|
|
for (var i = 0, len = queues.length; i < len; i++) {
|
|
var id = queues[i].id;
|
|
var url = queues[i].url;
|
|
|
|
if (url in scriptsMap) {
|
|
continue;
|
|
}
|
|
|
|
scriptsMap[url] = true;
|
|
|
|
var script = document.createElement('script');
|
|
if (onerror) {
|
|
(function (script, id) {
|
|
var tid = setTimeout(function () {
|
|
onerror(id);
|
|
}, require.timeout);
|
|
|
|
script.onerror = function () {
|
|
clearTimeout(tid);
|
|
onerror(id);
|
|
};
|
|
|
|
var onload = function () {
|
|
clearTimeout(tid);
|
|
};
|
|
|
|
if ('onload' in script) {
|
|
script.onload = onload;
|
|
}
|
|
else {
|
|
script.onreadystatechange = function () {
|
|
if (this.readyState === 'loaded' || this.readyState === 'complete') {
|
|
onload();
|
|
}
|
|
};
|
|
}
|
|
})(script, id);
|
|
}
|
|
script.type = 'text/javascript';
|
|
script.src = url;
|
|
|
|
docFrag.appendChild(script);
|
|
}
|
|
|
|
head.appendChild(docFrag);
|
|
};
|
|
|
|
var loadScripts = function (ids, callback, onerror) {
|
|
var queues = [];
|
|
for (var i = 0, len = ids.length; i < len; i++) {
|
|
var id = ids[i];
|
|
var queue = loadingMap[id] || (loadingMap[id] = []);
|
|
queue.push(callback);
|
|
|
|
//
|
|
// resource map query
|
|
//
|
|
var res = resMap[id] || resMap[id + '.js'] || {};
|
|
var pkg = res.pkg;
|
|
var url;
|
|
|
|
if (pkg) {
|
|
url = pkgMap[pkg].url || pkgMap[pkg].uri;
|
|
}
|
|
else {
|
|
url = res.url || res.uri || id;
|
|
}
|
|
|
|
queues.push({
|
|
id: id,
|
|
url: url
|
|
});
|
|
}
|
|
|
|
createScripts(queues, onerror);
|
|
};
|
|
|
|
define = function (id, factory) {
|
|
id = id.replace(/\.js$/i, '');
|
|
factoryMap[id] = factory;
|
|
|
|
var queue = loadingMap[id];
|
|
if (queue) {
|
|
for (var i = 0, n = queue.length; i < n; i++) {
|
|
queue[i]();
|
|
}
|
|
delete loadingMap[id];
|
|
}
|
|
};
|
|
|
|
require = function (id) {
|
|
|
|
// compatible with require([dep, dep2...]) syntax.
|
|
if (id && id.splice) {
|
|
return require.async.apply(this, arguments);
|
|
}
|
|
|
|
id = require.alias(id);
|
|
|
|
var mod = modulesMap[id];
|
|
if (mod) {
|
|
return mod.exports;
|
|
}
|
|
|
|
//
|
|
// init module
|
|
//
|
|
var factory = factoryMap[id];
|
|
if (!factory) {
|
|
throw '[ModJS] Cannot find module `' + id + '`';
|
|
}
|
|
|
|
mod = modulesMap[id] = {
|
|
exports: {}
|
|
};
|
|
|
|
//
|
|
// factory: function OR value
|
|
//
|
|
var ret = (typeof factory === 'function') ? factory.apply(mod, [require, mod.exports, mod]) : factory;
|
|
|
|
if (ret) {
|
|
mod.exports = ret;
|
|
}
|
|
|
|
return mod.exports;
|
|
};
|
|
|
|
require.async = function (names, onload, onerror) {
|
|
if (typeof names === 'string') {
|
|
names = [names];
|
|
}
|
|
|
|
var needMap = {};
|
|
var needNum = 0;
|
|
var needLoad = [];
|
|
|
|
function findNeed(depArr) {
|
|
var child;
|
|
|
|
for (var i = 0, n = depArr.length; i < n; i++) {
|
|
//
|
|
// skip loading or loaded
|
|
//
|
|
var dep = require.alias(depArr[i]);
|
|
|
|
if (dep in needMap) {
|
|
continue;
|
|
}
|
|
|
|
needMap[dep] = true;
|
|
|
|
if (dep in factoryMap) {
|
|
// check whether loaded resource's deps is loaded or not
|
|
child = resMap[dep] || resMap[dep + '.js'];
|
|
if (child && 'deps' in child) {
|
|
findNeed(child.deps);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
needLoad.push(dep);
|
|
needNum++;
|
|
|
|
child = resMap[dep] || resMap[dep + '.js'];
|
|
if (child && 'deps' in child) {
|
|
findNeed(child.deps);
|
|
}
|
|
}
|
|
}
|
|
|
|
function updateNeed() {
|
|
if (0 === needNum--) {
|
|
var args = [];
|
|
for (var i = 0, n = names.length; i < n; i++) {
|
|
args[i] = require(names[i]);
|
|
}
|
|
|
|
onload && onload.apply(global, args);
|
|
}
|
|
}
|
|
|
|
findNeed(names);
|
|
loadScripts(needLoad, updateNeed, onerror);
|
|
updateNeed();
|
|
};
|
|
|
|
require.ensure = function (names, callback) {
|
|
require.async(names, function () {
|
|
callback && callback.call(this, require);
|
|
});
|
|
};
|
|
|
|
require.resourceMap = function (obj) {
|
|
var k;
|
|
var col;
|
|
|
|
// merge `res` & `pkg` fields
|
|
col = obj.res;
|
|
for (k in col) {
|
|
if (col.hasOwnProperty(k)) {
|
|
resMap[k] = col[k];
|
|
}
|
|
}
|
|
|
|
col = obj.pkg;
|
|
for (k in col) {
|
|
if (col.hasOwnProperty(k)) {
|
|
pkgMap[k] = col[k];
|
|
}
|
|
}
|
|
};
|
|
|
|
require.loadJs = function (url) {
|
|
if (url in scriptsMap) {
|
|
return;
|
|
}
|
|
|
|
scriptsMap[url] = true;
|
|
|
|
var script = document.createElement('script');
|
|
script.type = 'text/javascript';
|
|
script.src = url;
|
|
head.appendChild(script);
|
|
};
|
|
|
|
require.loadCss = function (cfg) {
|
|
if (cfg.content) {
|
|
var sty = document.createElement('style');
|
|
sty.type = 'text/css';
|
|
|
|
if (sty.styleSheet) { // IE
|
|
sty.styleSheet.cssText = cfg.content;
|
|
}
|
|
else {
|
|
sty.innerHTML = cfg.content;
|
|
}
|
|
head.appendChild(sty);
|
|
}
|
|
else if (cfg.url) {
|
|
var link = document.createElement('link');
|
|
link.href = cfg.url;
|
|
link.rel = 'stylesheet';
|
|
link.type = 'text/css';
|
|
head.appendChild(link);
|
|
}
|
|
};
|
|
|
|
|
|
require.alias = function (id) {
|
|
return id.replace(/\.js$/i, '');
|
|
};
|
|
|
|
require.timeout = 5000;
|
|
|
|
})(this);
|