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lmd

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LMD: Lazy Module Declaration

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// 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 createPromiseResult = sb.trigger('*:create-promise'); var returnResult = createPromiseResult[1] || sb.require; callback = createPromiseResult[0] || 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 off-package LMD modules (special LMD format file) * * @see /README.md near "LMD Modules types" for details * * Flag "async" * * This plugin provides require.async() function */ /** * @name sandbox */ (function (sb) { /** * 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.require.async = function (moduleName, callback) { return sb.trigger('*:preload', moduleName, callback, 'async')[0]; }; }(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 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) { // Keep polling sb.global.setTimeout(poll, 90); } } }()); return returnResult; }; }(sandbox)); /** * This plugin enables shortcuts * * Flag "shortcuts" * * This plugin provides private "is_shortcut" function */ /** * @name sandbox */ (function (sb) { function is_shortcut(moduleName, moduleContent) { return !sb.initialized[moduleName] && typeof moduleContent === "string" && moduleContent.charAt(0) == '@'; } function rewrite_shortcut(moduleName, module) { if (is_shortcut(moduleName, module)) { sb.trigger('shortcuts:before-resolve', moduleName, module); moduleName = module.replace('@', ''); // #66 Shortcut self reference should be resolved as undefined->global name var newModule = sb.modules[moduleName]; module = newModule === module ? sb.undefined : newModule; } return [moduleName, module]; } /** * @event *:rewrite-shortcut request for shortcut rewrite * * @param {String} moduleName race for module name * @param {String} module this callback will be called when module inited * * @retuns yes returns modified moduleName and module itself */ sb.on('*:rewrite-shortcut', rewrite_shortcut); /** * @event *:rewrite-shortcut fires before stats plugin counts require same as *:rewrite-shortcut * but without triggering shortcuts:before-resolve event * * @param {String} moduleName race for module name * @param {String} module this callback will be called when module inited * * @retuns yes returns modified moduleName and module itself */ sb.on('stats:before-require-count', function (moduleName, module) { if (is_shortcut(moduleName, module)) { moduleName = module.replace('@', ''); module = sb.modules[moduleName]; return [moduleName, module]; } }); }(sandbox)); /** * Package usage statistics * * @see /README.md near "Application statistics. Require, load, eval, call statistics" for details * * Flag "stats" * * This plugin provides require.stats() function and bunch of private functions */ /** * @name LineReport * @type {Object} * * @property {Boolean} lines if false -> not called * @property {Array[]} conditions list of unused conditions [[0, 2], [7, 0]] * @property {String[]} functions list of unused functions in that line */ /** * @name TypeReport * @type {Object} * * @property {Number} total * @property {Number} covered * @property {Number} percentage */ /** * @name LmdCoverage * @type {Object} * * @property {TypeReport} lines * @property {TypeReport} conditions * @property {TypeReport} functions * * @property {Object} report {lineNum: LineReport} */ /** * @name lmdStats * @type {Object} * * @property {String} name module name * @property {Object} moduleAccessTimes module access times {byModuleName: accessTimes} * @property {Number[]} accessTimes access times * @property {Number} initTime module init time: load+eval+call * @property {String[]} shortcuts list of used shortcuts * * @property {String} type module type: global, in-package, off-package * * @property {String[]} lines list of all statements * @property {String[]} conditions list of all conditions * @property {String[]} functions list of all functions * * @property {Object} runLines {lineId: callTimes} * @property {Object} runConditions {conditionId: [falseTimes, trueTimes]} * @property {Object} runFunctions {functionId: callTimes} * * @property {LmdCoverage} coverage * * @example * { * name: "pewpew", * type: "in-package", * accessTimes: [0], * moduleAccessTimes: [{ * time: 0, * byModule: "main" * }], * initTime: 10, * shortcuts: ["ololo"], * * lines: ["4", "5", "8"], * conditions: ["4:1", "5:2"], * functions: ["FunctionName:5:1", "FunctionName2:9:1"], * * runLines: { * "4": 1 * "5": 0, * "8": 14 * }, * * runConditions: { * "4:1": [1, 0], * "5:2": [0, 0] * }, * * runFunctions: { * "FunctionName:5:1": 10 * "FunctionName2:9:1": 0 * } * * coverage: { * lines: { * total: 3, * covered: 2, * percentage: 66.66667 * }, * * conditions: { * total: 2, * covered: 0.5, * percentage: 25 * }, * * functions: { * total: 2, * covered: 1, * percentage: 50 * }, * * report: { * "4": { * conditions: [[1, 0]] * }, * "5": { * lines: false, * conditions: [[0, 0]] * }, * "9": { * functions: ["FunctionName2"] * } * } * } * } */ /** * @name sandbox */ (function (sb) { /** * @type {lmdStats} */ var stats_results = {}, stats_Date = sb.global.Date, stats_startTime = +new stats_Date; function stats_get(moduleName) { return stats_results[moduleName] ? stats_results[moduleName] : stats_results[moduleName] = { name: moduleName, accessTimes: [], moduleAccessTimes: {}, initTime: -1 }; } function stats_initStart(moduleName) { stats_get(moduleName).initTime = +new stats_Date; } function stats_initEnd(moduleName) { var stat = stats_get(moduleName); stat.initTime = +new stats_Date - stat.initTime; } function stats_require(moduleName) { var stat = stats_get(moduleName); stat.accessTimes.push(+new stats_Date - stats_startTime); } function stats_require_module(moduleName, byModuleName) { var stat = stats_get(moduleName); if (!stat.moduleAccessTimes[byModuleName]) { stat.moduleAccessTimes[byModuleName] = []; } stat.moduleAccessTimes[byModuleName].push(+new stats_Date - stats_startTime); } function stats_wrap_require_method(method, thisObject, byModuleName) { return function (moduleName) { stats_require_modules(moduleName, byModuleName); return method.apply(thisObject, arguments); } } function stats_require_modules(moduleName, byModuleName) { var moduleNames = []; if (Object.prototype.toString.call(moduleName) !== "[object Array]") { moduleNames = [moduleName]; } else { moduleNames = moduleName; } for (var i = 0, c = moduleNames.length, moduleNamesItem, module; i < c; i++) { moduleNamesItem = moduleNames[i]; module = sb.modules[moduleNamesItem]; var replacement = sb.trigger('stats:before-require-count', moduleNamesItem, module); if (replacement) { moduleNamesItem = replacement[0]; } stats_require_module(moduleNamesItem, byModuleName); } } function stats_wrap_require(require, byModuleName) { var wrappedRequire = stats_wrap_require_method(require, this, byModuleName); for (var name in require) { wrappedRequire[name] = require[name]; } if (require.async) { wrappedRequire.async = stats_wrap_require_method(require.async, this, byModuleName); } if (require.css) { wrappedRequire.css = stats_wrap_require_method(require.css, this, byModuleName); } if (require.js) { wrappedRequire.js = stats_wrap_require_method(require.js, this, byModuleName); } return wrappedRequire; } function stats_type(moduleName, type) { var stat = stats_get(moduleName); stat.type = type; } function stats_shortcut(moduleName, shortcut) { var module = stats_get(moduleName.replace('@', '')), shortcuts = module.shortcuts, index; if (!shortcuts) { shortcuts = module.shortcuts = []; } // Link shortcut and real module if (!stats_results[shortcut]) { stats_results[shortcut] = module; } // ie6 indexOf hackz index = sb.trigger('*:request-indexof', [].indexOf)[0].call(shortcuts, shortcut); if (index === -1) { shortcuts.push(shortcut); } } /** * Returns module statistics or all statistics * * @param {String} [moduleName] * @return {Object} */ sb.require.stats = function (moduleName) { var replacement = sb.trigger('stats:before-return-stats', moduleName, stats_results); if (replacement && replacement[1]) { return replacement[1]; } return moduleName ? stats_results[moduleName] : stats_results; }; /** * @event lmd-register:decorate-require request for fake require * * @param {String} moduleName * @param {Object} module * * @retuns yes wraps require */ sb.on('lmd-register:decorate-require', function (moduleName, require) { var options = sb.modules_options[moduleName] || {}; if (options.sandbox) { return; } return [moduleName, stats_wrap_require(require, moduleName)]; }); /** * @event lmd-register:after-register after module register event * * @param {String} moduleName * @param {Object} module * * @retuns no */ sb.on('lmd-register:after-register', function (moduleName) { stats_initEnd(moduleName); }); /** * @event lmd-register:before-register before module register event * * @param {String} moduleName * @param {Object} module * * @retuns no */ sb.on('lmd-register:before-register', function (moduleName, module) { stats_type(moduleName, !module ? 'global' : typeof sb.modules[moduleName] === "undefined" ? 'off-package' : 'in-package'); }); /** * @event *:before-check before module cache check * * @param {String} moduleName * @param {Object} module * @param {String} type * * @retuns no */ sb.on('*:before-check', function (moduleName, module, type) { switch (type) { case "css": if (!(module || !sb.document) || sb.initialized[moduleName]) { stats_require(moduleName); } break; case "js": case "async": if (!module || sb.initialized[moduleName]) { stats_require(moduleName); } break; default: stats_require(moduleName); } }); /** * @event *:before-init calls when module is goint to eval or call * * @param {String} moduleName * @param {Object} module * * @retuns no */ sb.on('*:before-init', function (moduleName) { stats_initStart(moduleName); }); /** * @event *:request-error module load error * * @param {String} moduleName * @param {Object} module * * @retuns no */ sb.on('*:request-error', function (moduleName) { stats_initEnd(moduleName); }); /** * @event shortcuts:before-resolve moduleName is shortcut and its goint to resolve with actual name * * @param {String} moduleName * @param {Object} module * * @retuns no */ sb.on('shortcuts:before-resolve', function (moduleName, module) { // assign shortcut name for module stats_shortcut(module, moduleName); }); /** * @event *:stats-get somethins is request raw module stats * * @param {String} moduleName * @param {Object} result default stats * * @retuns yes */ sb.on('*:stats-get', function (moduleName, result) { return [moduleName, stats_get(moduleName)]; }); /** * @event *:stats-type something tells stats to overwrite module type * * @param {String} moduleName * @param {String} packageType * * @retuns no */ sb.on('*:stats-type', function (moduleName, packageType) { stats_type(moduleName, packageType); }); /** * @event *:stats-results somethins is request processed module stats * * @param {String} moduleName * @param {Object} result default stats * * @retuns yes */ sb.on('*:stats-results', function (moduleName, result) { return [moduleName, stats_results[moduleName]]; }); }(sandbox)); /** * @name sandbox */ (function (sb) { /** * @param code * @return {Boolean} true if it is a plain LMD module */ var async_is_plain_code = function (code) { // remove comments (bad rx - I know it, but it works for that case), spaces and ; code = code.replace(/\/\*.*?\*\/|\/\/.*(?=[\n\r])|\s|\;/g, ''); // simple FD/FE parser if (/\(function\(|function[a-z0-9_]+\(/.test(code)) { var index = 0, length = code.length, is_can_return = false, string = false, parentheses = 0, braces = 0; while (index < length) { switch (code.charAt(index)) { // count braces if not in string case '{': if (!string) { is_can_return = true; braces++ } break; case '}': if (!string) braces--; break; case '(': if (!string) parentheses++; break; case ')': if (!string) parentheses--; break; case '\\': if (string) index++; // skip next char in in string break; case "'": if (string === "'") { string = false; // close string } else if (string === false) { string = "'"; // open string } break; case '"': if (string === '"') { string = false; // close string } else if (string === false) { string = '"'; // open string } break; } index++; if (is_can_return && !parentheses && !braces) { return index !== length; } } } return true; }; var async_plain = function (module, contentTypeOrExtension) { // its NOT a JSON ant its a plain code if (!(/json$/).test(contentTypeOrExtension) && async_is_plain_code(module)) { // its not a JSON and its a Plain LMD module - wrap it module = '(function(require,exports,module){\n' + module + '\n})'; } return module; }; /** * @event *:wrap-module Module wrap request * * @param {String} moduleName * @param {String} module this module will be wrapped * @param {String} contentTypeOrExtension file content type or extension to avoid wrapping json file * * @retuns yes */ sb.on('*:wrap-module', function (moduleName, module, contentTypeOrExtension) { module = async_plain(module, contentTypeOrExtension); return [moduleName, module, contentTypeOrExtension]; }); /** * @event *:is-plain-module code type check request: plain or lmd-module * * @param {String} moduleName * @param {String} module * @param {String} isPlainCode default value * * @retuns yes */ sb.on('*:is-plain-module', function (moduleName, module, isPlainCode) { if (typeof async_is_plain_code === "function") { return [moduleName, module, async_is_plain_code(module)]; } }); }(sandbox)); /** * @name sandbox */ (function (sb) { var promisePath = sb.options.promise, error = 'Bad deferred ' + sb.options.promise, deferredFunction, name; if (typeof promisePath !== "string") { throw new Error(error); } promisePath = promisePath.split('.'); deferredFunction = sb.require(promisePath[0]); while (promisePath.length) { name = promisePath.shift(); if (typeof deferredFunction[name] !== "undefined") { deferredFunction = deferredFunction[name]; } } if (typeof deferredFunction !== "function") { throw new Error(error); } /** * @event *:create-promise creates promise */ sb.on('*:create-promise', function () { var dfd = deferredFunction(), callback = function (argument) { if (typeof argument === "undefined") { dfd.reject(); } else { dfd.resolve(argument); } }; return [callback, typeof dfd.promise === "function" ? dfd.promise() : dfd.promise]; }); }(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.stats() example */ function loadMd5() { // md5 -> /js/md5.js | CommonJS Module (plain) return require.async('md5'); } function loadSha512() { // sha512 -> /js/sha512.js | LMD module return require.async('sha512'); } function decorateInputs() { return require.css('css/b-input.css'); } $(function () { var $button = $('.b-button'), $result = $('.b-result'), $input = $('.b-input'); function calculateSha512OfMd5() { var value = $input.val(); loadSha512().then(function (sha512) { value = sha512(value); return loadMd5(); }) .then(function (md5) { value = md5(value); return decorateInputs(); }) .then(function () { $result.val(value); }, function () { console.log('Failed to load CSS!'); }); } $button.click(calculateSha512OfMd5); require('statsLogger'); }); }),{ "unused": (function (require, exports, module) { /* wrapped by builder */ $(function () { console.log(123); }); }), "sha512": "@js/sha512.js", "md5": "@js/md5.js", "statsLogger": (function (require, exports, module) { /* wrapped by builder */ var $log = $('.b-log'); $('.b-stats-button').click(function () { var modulesStats = require.stats(); console.log(modulesStats); $log.empty(); $( '<tr>' + '<th>name</th>' + '<th>type</th>' + '<th>initialization time</th>' + '<th>module required at</th>' + '<th>module required by</th>' + '</tr>' ).appendTo($log); for (var moduleName in modulesStats) { var module = modulesStats[moduleName]; $( '<tr>' + '<td><strong>' + moduleName + '</strong>' + (moduleName !== module.name ? ' -> ' + module.name : '') + '</td>' + '<td>' + module.type + '</td>' + '<td>' + module.initTime + 'ms</td>' + '<td>' + module.accessTimes.join('ms, ') + 'ms</td>' + '<td>' + Object.keys(module.moduleAccessTimes) + '</td>' + '</tr>' ).appendTo($log); } }); }) },{},{"promise":"$.Deferred"});