lmd
Version:
LMD: Lazy Module Declaration
394 lines (332 loc) • 13.2 kB
JavaScript
// This file was automatically generated from "index.lmd.json"
(function (global, main, modules, modules_options, options) {
var initialized_modules = {},
global_eval = function (code) {
return global.Function('return ' + code)();
},
global_noop = function () {},
global_document = global.document,
local_undefined,
/**
* @param {String} moduleName module name or path to file
* @param {*} module module content
*
* @returns {*}
*/
register_module = function (moduleName, module) {
lmd_trigger('lmd-register:before-register', moduleName, module);
// Predefine in case of recursive require
var output = {'exports': {}};
initialized_modules[moduleName] = 1;
modules[moduleName] = output.exports;
if (!module) {
// if undefined - try to pick up module from globals (like jQuery)
// or load modules from nodejs/worker environment
module = lmd_trigger('js:request-environment-module', moduleName, module)[1] || global[moduleName];
} else if (typeof module === 'function') {
// Ex-Lazy LMD module or unpacked module ("pack": false)
var module_require = lmd_trigger('lmd-register:decorate-require', moduleName, lmd_require)[1];
// Make sure that sandboxed modules cant require
if (modules_options[moduleName] &&
modules_options[moduleName].sandbox &&
typeof module_require === 'function') {
module_require = local_undefined;
}
module = module(module_require, output.exports, output) || output.exports;
}
module = lmd_trigger('lmd-register:after-register', moduleName, module)[1];
return modules[moduleName] = module;
},
/**
* List of All lmd Events
*
* @important Do not rename it!
*/
lmd_events = {},
/**
* LMD event trigger function
*
* @important Do not rename it!
*/
lmd_trigger = function (event, data, data2, data3) {
var list = lmd_events[event],
result;
if (list) {
for (var i = 0, c = list.length; i < c; i++) {
result = list[i](data, data2, data3) || result;
if (result) {
// enable decoration
data = result[0] || data;
data2 = result[1] || data2;
data3 = result[2] || data3;
}
}
}
return result || [data, data2, data3];
},
/**
* LMD event register function
*
* @important Do not rename it!
*/
lmd_on = function (event, callback) {
if (!lmd_events[event]) {
lmd_events[event] = [];
}
lmd_events[event].push(callback);
},
/**
* @param {String} moduleName module name or path to file
*
* @returns {*}
*/
lmd_require = function (moduleName) {
var module = modules[moduleName];
var replacement = lmd_trigger('*:rewrite-shortcut', moduleName, module);
if (replacement) {
moduleName = replacement[0];
module = replacement[1];
}
lmd_trigger('*:before-check', moduleName, module);
// Already inited - return as is
if (initialized_modules[moduleName] && module) {
return module;
}
lmd_trigger('*:before-init', moduleName, module);
// Lazy LMD module not a string
if (typeof module === 'string' && module.indexOf('(function(') === 0) {
module = global_eval(module);
}
return register_module(moduleName, module);
},
output = {'exports': {}},
/**
* Sandbox object for plugins
*
* @important Do not rename it!
*/
sandbox = {
'global': global,
'modules': modules,
'modules_options': modules_options,
'options': options,
'eval': global_eval,
'register': register_module,
'require': lmd_require,
'initialized': initialized_modules,
'noop': global_noop,
'document': global_document,
'on': lmd_on,
'trigger': lmd_trigger,
'undefined': local_undefined
};
for (var moduleName in modules) {
// reset module init flag in case of overwriting
initialized_modules[moduleName] = 0;
}
/**
* @name sandbox
*/
(function (sb) {
var domOnlyLoaders = {
'css': true,
'image': true
};
var reEvalable = /(java|ecma)script|json/,
reJson = /json/;
/**
* Load off-package LMD module
*
* @param {String|Array} moduleName same origin path to LMD module
* @param {Function} [callback] callback(result) undefined on error others on success
*/
sb.on('*:preload', function (moduleName, callback, type) {
var replacement = sb.trigger('*:request-off-package', moduleName, callback, type), // [[returnResult, moduleName, module, true], callback, type]
returnResult = [replacement[0][0], callback, type];
if (replacement[0][3]) { // isReturnASAP
return returnResult;
}
var module = replacement[0][2],
XMLHttpRequestConstructor = sb.global.XMLHttpRequest || sb.global.ActiveXObject;
callback = replacement[1];
moduleName = replacement[0][1];
if (!XMLHttpRequestConstructor) {
sb.trigger('preload:require-environment-file', moduleName, module, callback);
return returnResult;
}
// Optimized tiny ajax get
// @see https://gist.github.com/1625623
var xhr = new XMLHttpRequestConstructor("Microsoft.XMLHTTP");
xhr.onreadystatechange = function () {
if (xhr.readyState == 4) {
// 3. Check for correct status 200 or 0 - OK?
if (xhr.status < 201) {
var contentType = xhr.getResponseHeader('content-type');
module = xhr.responseText;
if (reEvalable.test(contentType)) {
module = sb.trigger('*:wrap-module', moduleName, module, contentType)[1];
if (!reJson.test(contentType)) {
module = sb.trigger('*:coverage-apply', moduleName, module)[1];
}
sb.trigger('preload:before-callback', moduleName, module);
module = sb.eval(module);
} else {
sb.trigger('preload:before-callback', moduleName, module);
}
if (type === 'preload') {
// 4. Declare it
sb.modules[moduleName] = module;
// 5. Then callback it
callback(moduleName);
} else {
// 4. Callback it
callback(sb.register(moduleName, module));
}
} else {
sb.trigger('*:request-error', moduleName, module);
callback();
}
}
};
xhr.open('get', moduleName);
xhr.send();
return returnResult;
});
/**
* @event *:request-off-package
*
* @param {String} moduleName
* @param {Function} callback
* @param {String} type
*
* @retuns yes [asap, returnResult]
*/
sb.on('*:request-off-package', function (moduleName, callback, type) {
var returnResult = sb.require;
callback = callback || sb.noop;
if (typeof moduleName !== "string") {
callback = sb.trigger('*:request-parallel', moduleName, callback, sb.require[type])[1];
if (!callback) {
return [[returnResult, moduleName, module, true], callback, type];
}
}
var module = sb.modules[moduleName];
var replacement = sb.trigger('*:rewrite-shortcut', moduleName, module);
if (replacement) {
moduleName = replacement[0];
module = replacement[1];
}
sb.trigger('*:before-check', moduleName, module, type);
// If module exists or its a node.js env
if (module || (domOnlyLoaders[type] && !sb.document)) {
callback(type === "preload" ? moduleName : sb.initialized[moduleName] ? module : sb.require(moduleName));
return [[returnResult, moduleName, module, true], callback, type];
}
sb.trigger('*:before-init', moduleName, module);
callback = sb.trigger('*:request-race', moduleName, callback)[1];
// if already called
if (!callback) {
return [[returnResult, moduleName, module, true], callback, type]
}
return [[returnResult, moduleName, module, false], callback, type];
});
}(sandbox));
/**
* Async loader of css files
*
* Flag "css"
*
* This plugin provides require.css() function
*/
/**
* @name sandbox
*/
(function (sb) {
/**
* Loads any CSS file
*
* Inspired by yepnope.css.js
*
* @see https://github.com/SlexAxton/yepnope.js/blob/master/plugins/yepnope.css.js
*
* @param {String|Array} moduleName path to css file
* @param {Function} [callback] callback(result) undefined on error HTMLLinkElement on success
*/
sb.require.css = function (moduleName, callback) {
var replacement = sb.trigger('*:request-off-package', moduleName, callback, 'css'), // [[returnResult, moduleName, module, true], callback, type]
returnResult = replacement[0][0];
if (replacement[0][3]) { // isReturnASAP
return returnResult;
}
var module = replacement[0][2],
isNotLoaded = 1,
head;
callback = replacement[1];
moduleName = replacement[0][1];
// Create stylesheet link
var link = sb.document.createElement("link"),
id = +new sb.global.Date,
onload = function (e) {
if (isNotLoaded) {
isNotLoaded = 0;
// register or cleanup
link.removeAttribute('id');
if (!e) {
sb.trigger('*:request-error', moduleName, module);
}
callback(e ? sb.register(moduleName, link) : head.removeChild(link) && sb.undefined); // e === undefined if error
}
};
// Add attributes
link.href = moduleName;
link.rel = "stylesheet";
link.id = id;
sb.global.setTimeout(onload, 3000, 0);
head = sb.document.getElementsByTagName("head")[0];
head.insertBefore(link, head.firstChild);
function isCode15Safe(e) { try { return e.code === 15 } catch (e) {} }
(function poll() {
if (isNotLoaded) {
var sheets = sb.document.styleSheets,
j = 0,
k = sheets.length;
try {
for (; j < k; j++) {
if((sheets[j].ownerNode || sheets[j].owningElement).id == id &&
(sheets[j].cssRules || sheets[j].rules).length) {
//#JSCOVERAGE_IF 0
return onload(1);
//#JSCOVERAGE_ENDIF
}
}
// if we get here, its not in document.styleSheets (we never saw the ID)
throw 1;
} catch(e) {
if (e != 1 && ((sheets[j] && sheets[j].cssRules === null) || isCode15Safe(e))) {return onload(1);}
// Keep polling
sb.global.setTimeout(poll, 90);
}
}
}());
return returnResult;
};
}(sandbox));
main(lmd_trigger('lmd-register:decorate-require', 'main', lmd_require)[1], output.exports, output);
})/*DO NOT ADD ; !*/
(this,(function (require, exports, module) { /* wrapped by builder */
/**
* LMD require.css() example
*/
$(function () {
$('body').on('click', '.b-button', function () {
var $button = $(this);
$button.text('Loading...');
require.css('css/b-button.css', function (status) {
console.log(status ? 'css loaded or taken from cache' : 'Fail to load');
$button.text('Click me');
$('.b-button').first().clone().appendTo('body');
});
});
});
}),{
},{},{});