lettuce
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Lettuce JS, Mini Mobile Framework for Romantic with DSL.
1,247 lines (1,125 loc) • 47.5 kB
JavaScript
/**
* @license RequireJS Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
* Available via the MIT, GPL or new BSD license.
* see: http://github.com/jrburke/requirejs for details
*/
//laxbreak is true to allow build pragmas to change some statements.
/*jslint plusplus: false, laxbreak: true */
/*global window: false, document: false, navigator: false,
setTimeout: false, traceDeps: true, clearInterval: false, self: false,
setInterval: false */
//>>includeStart("useStrict", pragmas.useStrict);
;
//>>includeEnd("useStrict");
var require;
(function () {
//Change this version number for each release.
var version = "0.10.0",
empty = {}, s,
i, defContextName = "_", contextLoads = [],
scripts, script, rePkg, src, m, cfg, setReadyState,
readyRegExp = /^(complete|loaded)$/,
isBrowser = !!(typeof window !== "undefined" && navigator && document),
ostring = Object.prototype.toString, scrollIntervalId;
function isFunction(it) {
return ostring.call(it) === "[object Function]";
}
//Check for an existing version of require. If so, then exit out. Only allow
//one version of require to be active in a page. However, allow for a require
//config object, just exit quickly if require is an actual function.
if (typeof require !== "undefined") {
if (isFunction(require)) {
return;
} else {
//assume it is a config object.
cfg = require;
}
}
//>>excludeStart("requireExcludeContext", pragmas.requireExcludeContext);
function makeContextFunc(name, contextName, force) {
return function () {
//A version of a require function that uses the current context.
//If last arg is a string, then it is a context.
//If last arg is not a string, then add context to it.
var args = [].concat(Array.prototype.slice.call(arguments, 0));
if (force || typeof arguments[arguments.length - 1] !== "string") {
args.push(contextName);
}
return (name ? require[name] : require).apply(null, args);
};
}
//>>excludeEnd("requireExcludeContext");
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
/**
* Calls a method on a plugin. The obj object should have two property,
* name: the name of the method to call on the plugin
* args: the arguments to pass to the plugin method.
*/
function callPlugin(prefix, context, obj) {
//Call the plugin, or load it.
var plugin = s.plugins.defined[prefix], waiting;
if (plugin) {
plugin[obj.name].apply(null, obj.args);
} else {
//Put the call in the waiting call BEFORE requiring the module,
//since the require could be synchronous in some environments,
//like builds
waiting = s.plugins.waiting[prefix] || (s.plugins.waiting[prefix] = []);
waiting.push(obj);
//Load the module
context.defined.require(["require/" + prefix]);
}
}
//>>excludeEnd("requireExcludePlugin");
/**
* Main entry point.
*
* If the only argument to require is a string, then the module that
* is represented by that string is fetched for the appropriate context.
*
* If the first argument is an array, then it will be treated as an array
* of dependency string names to fetch. An optional function callback can
* be specified to execute when all of those dependencies are available.
*/
require = function (deps, callback, contextName) {
if (typeof deps === "string" && !isFunction(callback)) {
//Just return the module wanted. In this scenario, the
//second arg (if passed) is just the contextName.
return require.get(deps, callback);
}
//Do more work, either
return require.def.apply(require, arguments);
};
/**
* The function that handles definitions of modules. Differs from
* require() in that a string for the module should be the first argument,
* and the function to execute after dependencies are loaded should
* return a value to define the module corresponding to the first argument's
* name.
*/
require.def = function (name, deps, callback, contextName) {
var config = null, context, newContext, contextRequire, loaded,
canSetContext, prop, newLength, outDeps,
mods, pluginPrefix, paths, index, i;
//Normalize the arguments.
if (typeof name === "string") {
//Defining a module. First, pull off any plugin prefix.
index = name.indexOf("!");
if (index !== -1) {
pluginPrefix = name.substring(0, index);
name = name.substring(index + 1, name.length);
}
//Check if there are no dependencies, and adjust args.
if (!require.isArray(deps)) {
contextName = callback;
callback = deps;
deps = [];
}
contextName = contextName || s.ctxName;
//If module already defined for context, or already waiting to be
//evaluated, leave.
context = s.contexts[contextName];
if (context && (context.defined[name] || context.waiting[name])) {
return require;
}
} else if (require.isArray(name)) {
//Just some code that has dependencies. Adjust args accordingly.
contextName = callback;
callback = deps;
deps = name;
name = null;
} else if (require.isFunction(name)) {
//Just a function that does not define a module and
//does not have dependencies. Useful if just want to wait
//for whatever modules are in flight and execute some code after
//those modules load.
callback = name;
contextName = deps;
name = null;
deps = [];
} else {
//name is a config object.
config = name;
name = null;
//Adjust args if no dependencies.
if (require.isFunction(deps)) {
contextName = callback;
callback = deps;
deps = [];
}
contextName = contextName || config.context;
}
contextName = contextName || s.ctxName;
//>>excludeStart("requireExcludeContext", pragmas.requireExcludeContext);
if (contextName !== s.ctxName) {
//If nothing is waiting on being loaded in the current context,
//then switch s.ctxName to current contextName.
loaded = (s.contexts[s.ctxName] && s.contexts[s.ctxName].loaded);
canSetContext = true;
if (loaded) {
for (prop in loaded) {
if (!(prop in empty)) {
if (!loaded[prop]) {
canSetContext = false;
break;
}
}
}
}
if (canSetContext) {
s.ctxName = contextName;
}
}
//>>excludeEnd("requireExcludeContext");
//Grab the context, or create a new one for the given context name.
context = s.contexts[contextName];
if (!context) {
newContext = {
contextName: contextName,
config: {
waitSeconds: 7,
baseUrl: s.baseUrl || "./",
paths: {}
},
waiting: [],
specified: {
"require": true,
"exports": true,
"module": true
},
loaded: {
"require": true
},
defined: {},
modifiers: {}
};
//Define require for this context.
//>>includeStart("requireExcludeContext", pragmas.requireExcludeContext);
//A placeholder for build pragmas.
newContext.defined.require = require;
//>>includeEnd("requireExcludeContext");
//>>excludeStart("requireExcludeContext", pragmas.requireExcludeContext);
newContext.defined.require = contextRequire = makeContextFunc(null, contextName);
require.mixin(contextRequire, {
//>>excludeStart("requireExcludeModify", pragmas.requireExcludeModify);
modify: makeContextFunc("modify", contextName),
def: makeContextFunc("def", contextName),
//>>excludeEnd("requireExcludeModify");
get: makeContextFunc("get", contextName, true),
nameToUrl: makeContextFunc("nameToUrl", contextName, true),
ready: require.ready,
context: newContext,
config: newContext.config,
isBrowser: s.isBrowser
});
//>>excludeEnd("requireExcludeContext");
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
if (s.plugins.newContext) {
s.plugins.newContext(newContext);
}
//>>excludeEnd("requireExcludePlugin");
context = s.contexts[contextName] = newContext;
}
//If have a config object, update the context's config object with
//the config values.
if (config) {
//Make sure the baseUrl ends in a slash.
if (config.baseUrl) {
if (config.baseUrl.charAt(config.baseUrl.length - 1) !== "/") {
config.baseUrl += "/";
}
}
//Save off the paths since they require special processing,
//they are additive.
paths = context.config.paths;
//Mix in the config values, favoring the new values over
//existing ones in context.config.
require.mixin(context.config, config, true);
//Adjust paths if necessary.
if (config.paths) {
for (prop in config.paths) {
if (!(prop in empty)) {
paths[prop] = config.paths[prop];
}
}
context.config.paths = paths;
}
//If a deps array or a config callback is specified, then call
//require with those args. This is useful when require is defined as a
//config object before require.js is loaded.
if (config.deps || config.callback) {
require(config.deps || [], config.callback);
}
//>>excludeStart("requireExcludePageLoad", pragmas.requireExcludePageLoad);
//Set up ready callback, if asked. Useful when require is defined as a
//config object before require.js is loaded.
if (config.ready) {
require.ready(config.ready);
}
//>>excludeEnd("requireExcludePageLoad");
//If it is just a config block, nothing else,
//then return.
if (!deps) {
return require;
}
}
//Normalize dependency strings: need to determine if they have
//prefixes and to also normalize any relative paths. Replace the deps
//array of strings with an array of objects.
if (deps) {
outDeps = deps;
deps = [];
for (i = 0; i < outDeps.length; i++) {
deps[i] = require.splitPrefix(outDeps[i], name);
}
}
//Store the module for later evaluation
newLength = context.waiting.push({
name: name,
deps: deps,
callback: callback
});
if (name) {
//Store index of insertion for quick lookup
context.waiting[name] = newLength - 1;
//Mark the module as specified: not loaded yet, but in the process,
//so no need to fetch it again. Important to do it here for the
//pause/resume case where there are multiple modules in a file.
context.specified[name] = true;
//>>excludeStart("requireExcludeModify", pragmas.requireExcludeModify);
//Load any modifiers for the module.
mods = context.modifiers[name];
if (mods) {
require(mods, contextName);
}
//>>excludeEnd("requireExcludeModify");
}
//If the callback is not an actual function, it means it already
//has the definition of the module as a literal value.
if (name && callback && !require.isFunction(callback)) {
context.defined[name] = callback;
}
//If a pluginPrefix is available, call the plugin, or load it.
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
if (pluginPrefix) {
callPlugin(pluginPrefix, context, {
name: "require",
args: [name, deps, callback, context]
});
}
//>>excludeEnd("requireExcludePlugin");
//See if all is loaded. If paused, then do not check the dependencies
//of the module yet.
if (s.paused) {
s.paused.push([pluginPrefix, name, deps, context]);
} else {
require.checkDeps(pluginPrefix, name, deps, context);
require.checkLoaded(contextName);
}
return require;
};
/**
* Simple function to mix in properties from source into target,
* but only if target does not already have a property of the same name.
*/
require.mixin = function (target, source, override) {
for (var prop in source) {
if (!(prop in empty) && (!(prop in target) || override)) {
target[prop] = source[prop];
}
}
return require;
};
require.version = version;
//Set up page state.
s = require.s = {
ctxName: defContextName,
contexts: {},
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
plugins: {
defined: {},
callbacks: {},
waiting: {}
},
//>>excludeEnd("requireExcludePlugin");
isBrowser: isBrowser,
isPageLoaded: !isBrowser,
readyCalls: [],
doc: isBrowser ? document : null
};
require.isBrowser = s.isBrowser;
s.head = isBrowser ? document.getElementsByTagName("head")[0] : null;
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
/**
* Sets up a plugin callback name. Want to make it easy to test if a plugin
* needs to be called for a certain lifecycle event by testing for
* if (s.plugins.onLifeCyleEvent) so only define the lifecycle event
* if there is a real plugin that registers for it.
*/
function makePluginCallback(name, returnOnTrue) {
var cbs = s.plugins.callbacks[name] = [];
s.plugins[name] = function () {
for (var i = 0, cb; (cb = cbs[i]); i++) {
if (cb.apply(null, arguments) === true && returnOnTrue) {
return true;
}
}
return false;
};
}
/**
* Registers a new plugin for require.
*/
require.plugin = function (obj) {
var i, prop, call, prefix = obj.prefix, cbs = s.plugins.callbacks,
waiting = s.plugins.waiting[prefix], generics,
defined = s.plugins.defined, contexts = s.contexts, context;
//Do not allow redefinition of a plugin, there may be internal
//state in the plugin that could be lost.
if (defined[prefix]) {
return require;
}
//Save the plugin.
defined[prefix] = obj;
//Set up plugin callbacks for methods that need to be generic to
//require, for lifecycle cases where it does not care about a particular
//plugin, but just that some plugin work needs to be done.
generics = ["newContext", "isWaiting", "orderDeps"];
for (i = 0; (prop = generics[i]); i++) {
if (!s.plugins[prop]) {
makePluginCallback(prop, prop === "isWaiting");
}
cbs[prop].push(obj[prop]);
}
//Call newContext for any contexts that were already created.
if (obj.newContext) {
for (prop in contexts) {
if (!(prop in empty)) {
context = contexts[prop];
obj.newContext(context);
}
}
}
//If there are waiting requests for a plugin, execute them now.
if (waiting) {
for (i = 0; (call = waiting[i]); i++) {
if (obj[call.name]) {
obj[call.name].apply(null, call.args);
}
}
delete s.plugins.waiting[prefix];
}
return require;
};
//>>excludeEnd("requireExcludePlugin");
/**
* Pauses the tracing of dependencies. Useful in a build scenario when
* multiple modules are bundled into one file, and they all need to be
* require before figuring out what is left still to load.
*/
require.pause = function () {
if (!s.paused) {
s.paused = [];
}
};
/**
* Resumes the tracing of dependencies. Useful in a build scenario when
* multiple modules are bundled into one file. This method is related
* to require.pause() and should only be called if require.pause() was called first.
*/
require.resume = function () {
var i, args, paused;
if (s.paused) {
paused = s.paused;
delete s.paused;
for (i = 0; (args = paused[i]); i++) {
require.checkDeps.apply(require, args);
}
}
require.checkLoaded(s.ctxName);
};
/**
* Trace down the dependencies to see if they are loaded. If not, trigger
* the load.
* @param {String} pluginPrefix the plugin prefix, if any associated with the name.
*
* @param {String} name: the name of the module that has the dependencies.
*
* @param {Array} deps array of dependencies.
*
* @param {Object} context: the loading context.
*
* @private
*/
require.checkDeps = function (pluginPrefix, name, deps, context) {
//Figure out if all the modules are loaded. If the module is not
//being loaded or already loaded, add it to the "to load" list,
//and request it to be loaded.
var i, dep, index, depPrefix, split;
if (pluginPrefix) {
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
callPlugin(pluginPrefix, context, {
name: "checkDeps",
args: [name, deps, context]
});
//>>excludeEnd("requireExcludePlugin");
} else {
for (i = 0; (dep = deps[i]); i++) {
if (!context.specified[dep.fullName]) {
context.specified[dep.fullName] = true;
//If a plugin, call its load method.
if (dep.prefix) {
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
callPlugin(dep.prefix, context, {
name: "load",
args: [dep.name, context.contextName]
});
//>>excludeEnd("requireExcludePlugin");
} else {
require.load(dep.name, context.contextName);
}
}
}
}
};
//>>excludeStart("requireExcludeModify", pragmas.requireExcludeModify);
/**
* Register a module that modifies another module. The modifier will
* only be called once the target module has been loaded.
*
* First syntax:
*
* require.modify({
* "some/target1": "my/modifier1",
* "some/target2": "my/modifier2",
* });
*
* With this syntax, the my/modifier1 will only be loaded when
* "some/target1" is loaded.
*
* Second syntax, defining a modifier.
*
* require.modify("some/target1", "my/modifier",
* ["some/target1", "some/other"],
* function (target, other) {
* //Modify properties of target here.
* Only properties of target can be modified, but
* target cannot be replaced.
* }
* );
*/
require.modify = function (target, name, deps, callback, contextName) {
var prop, modifier, list,
cName = (typeof target === "string" ? contextName : name) || s.ctxName,
context = s.contexts[cName],
mods = context.modifiers;
if (typeof target === "string") {
//A modifier module.
//First store that it is a modifier.
list = mods[target] || (mods[target] = []);
if (!list[name]) {
list.push(name);
list[name] = true;
}
//Trigger the normal module definition logic.
require.def(name, deps, callback, contextName);
} else {
//A list of modifiers. Save them for future reference.
for (prop in target) {
if (!(prop in empty)) {
//Store the modifier for future use.
modifier = target[prop];
list = context.modifiers[prop] || (context.modifiers[prop] = []);
if (!list[modifier]) {
list.push(modifier);
list[modifier] = true;
if (context.specified[prop]) {
//Load the modifier right away.
require([modifier], cName);
}
}
}
}
}
};
//>>excludeEnd("requireExcludeModify");
require.isArray = function (it) {
return ostring.call(it) === "[object Array]";
};
require.isFunction = isFunction;
/**
* Gets one module's exported value. This method is used by require().
* It is broken out as a separate function to allow a host environment
* shim to overwrite this function with something appropriate for that
* environment.
*
* @param {String} moduleName the name of the module.
* @param {String} [contextName] the name of the context to use. Uses
* default context if no contextName is provided.
*
* @returns {Object} the exported module value.
*/
require.get = function (moduleName, contextName) {
if (moduleName === "exports" || moduleName === "module") {
throw new Error("require of " + moduleName + " is not allowed.");
}
contextName = contextName || s.ctxName;
var ret = s.contexts[contextName].defined[moduleName];
if (ret === undefined) {
throw new Error("require: module name '" +
moduleName +
"' has not been loaded yet for context: " +
contextName);
}
return ret;
};
/**
* Makes the request to load a module. May be an async load depending on
* the environment and the circumstance of the load call. Override this
* method in a host environment shim to do something specific for that
* environment.
*
* @param {String} moduleName the name of the module.
* @param {String} contextName the name of the context to use.
*/
require.load = function (moduleName, contextName) {
var context = s.contexts[contextName], url;
s.isDone = false;
context.loaded[moduleName] = false;
//>>excludeStart("requireExcludeContext", pragmas.requireExcludeContext);
if (contextName !== s.ctxName) {
//Not in the right context now, hold on to it until
//the current context finishes all its loading.
contextLoads.push(arguments);
} else {
//>>excludeEnd("requireExcludeContext");
//First derive the path name for the module.
url = require.nameToUrl(moduleName, null, contextName);
require.attach(url, contextName, moduleName);
context.startTime = (new Date()).getTime();
//>>excludeStart("requireExcludeContext", pragmas.requireExcludeContext);
}
//>>excludeEnd("requireExcludeContext");
};
require.jsExtRegExp = /\.js$/;
/**
* Given a relative module name, like ./something, normalize it to
* a real name that can be mapped to a path.
* @param {String} name the relative name
* @param {String} baseName a real name that the name arg is relative
* to.
* @returns {String} normalized name
*/
require.normalizeName = function (name, baseName) {
//Adjust any relative paths.
var part;
if (name.charAt(0) === ".") {
//Convert baseName to array, and lop off the last part,
//so that . matches that "directory" and not name of the baseName's
//module. For instance, baseName of "one/two/three", maps to
//"one/two/three.js", but we want the directory, "one/two" for
//this normalization.
baseName = baseName.split("/");
baseName = baseName.slice(0, baseName.length - 1);
name = baseName.concat(name.split("/"));
for (i = 0; (part = name[i]); i++) {
if (part === ".") {
name.splice(i, 1);
i -= 1;
} else if (part === "..") {
name.splice(i - 1, 2);
i -= 2;
}
}
name = name.join("/");
}
return name;
};
/**
* Splits a name into a possible plugin prefix and
* the module name. If baseName is provided it will
* also normalize the name via require.normalizeName()
*
* @param {String} name the module name
* @param {String} [baseName] base name that name is
* relative to.
*
* @returns {Object} with properties, 'prefix' (which
* may be null), 'name' and 'fullName', which is a combination
* of the prefix (if it exists) and the name.
*/
require.splitPrefix = function (name, baseName) {
var index = name.indexOf("!"), prefix = null;
if (index !== -1) {
prefix = name.substring(0, index);
name = name.substring(index + 1, name.length);
}
//Account for relative paths if there is a base name.
if (baseName) {
name = require.normalizeName(name, baseName);
}
return {
prefix: prefix,
name: name,
fullName: prefix ? prefix + "!" + name : name
};
};
/**
* Converts a module name to a file path.
*/
require.nameToUrl = function (moduleName, ext, contextName) {
var paths, syms, i, parentModule, url,
config = s.contexts[contextName].config;
//If a colon is in the URL, it indicates a protocol is used and it is just
//an URL to a file, or if it starts with a slash or ends with .js, it is just a plain file.
//The slash is important for protocol-less URLs as well as full paths.
if (moduleName.indexOf(":") !== -1 || moduleName.charAt(0) === '/' || require.jsExtRegExp.test(moduleName)) {
//Just a plain path, not module name lookup, so just return it.
return moduleName;
} else if (moduleName.charAt(0) === ".") {
throw new Error("require.nameToUrl does not handle relative module names (ones that start with '.' or '..')");
} else {
//A module that needs to be converted to a path.
paths = config.paths;
syms = moduleName.split("/");
//For each module name segment, see if there is a path
//registered for it. Start with most specific name
//and work up from it.
for (i = syms.length; i > 0; i--) {
parentModule = syms.slice(0, i).join("/");
if (paths[parentModule]) {
syms.splice(0, i, paths[parentModule]);
break;
}
}
//Join the path parts together, then figure out if baseUrl is needed.
url = syms.join("/") + (ext || ".js");
return ((url.charAt(0) === '/' || url.match(/^\w+:/)) ? "" : config.baseUrl) + url;
}
};
/**
* Checks if all modules for a context are loaded, and if so, evaluates the
* new ones in right dependency order.
*
* @private
*/
require.checkLoaded = function (contextName) {
var context = s.contexts[contextName || s.ctxName],
waitInterval = context.config.waitSeconds * 1000,
//It is possible to disable the wait interval by using waitSeconds of 0.
expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(),
loaded = context.loaded, defined = context.defined,
modifiers = context.modifiers, waiting = context.waiting, noLoads = "",
hasLoadedProp = false, stillLoading = false, prop,
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
pIsWaiting = s.plugins.isWaiting, pOrderDeps = s.plugins.orderDeps,
//>>excludeEnd("requireExcludePlugin");
i, module, allDone, loads, loadArgs,
traced = {};
//If already doing a checkLoaded call,
//then do not bother checking loaded state.
if (context.isCheckLoaded) {
return;
}
//Signal that checkLoaded is being require, so other calls that could be triggered
//by calling a waiting callback that then calls require and then this function
//should not proceed. At the end of this function, if there are still things
//waiting, then checkLoaded will be called again.
context.isCheckLoaded = true;
//See if anything is still in flight.
for (prop in loaded) {
if (!(prop in empty)) {
hasLoadedProp = true;
if (!loaded[prop]) {
if (expired) {
noLoads += prop + " ";
} else {
stillLoading = true;
break;
}
}
}
}
//Check for exit conditions.
if (!hasLoadedProp && !waiting.length
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
&& (!pIsWaiting || !pIsWaiting(context))
//>>excludeEnd("requireExcludePlugin");
) {
//If the loaded object had no items, then the rest of
//the work below does not need to be done.
context.isCheckLoaded = false;
return;
}
if (expired && noLoads) {
//If wait time expired, throw error of unloaded modules.
throw new Error("require.js load timeout for modules: " + noLoads);
}
if (stillLoading) {
//Something is still waiting to load. Wait for it.
context.isCheckLoaded = false;
if (require.isBrowser) {
setTimeout(function () {
require.checkLoaded(contextName);
}, 50);
}
return;
}
//Order the dependencies. Also clean up state because the evaluation
//of modules might create new loading tasks, so need to reset.
//Be sure to call plugins too.
context.waiting = [];
context.loaded = {};
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
//Call plugins to order their dependencies, do their
//module definitions.
if (pOrderDeps) {
pOrderDeps(context);
}
//>>excludeEnd("requireExcludePlugin");
//>>excludeStart("requireExcludeModify", pragmas.requireExcludeModify);
//Before defining the modules, give priority treatment to any modifiers
//for modules that are already defined.
for (prop in modifiers) {
if (!(prop in empty)) {
if (defined[prop]) {
require.execModifiers(prop, traced, waiting, context);
}
}
}
//>>excludeEnd("requireExcludeModify");
//Define the modules, doing a depth first search.
for (i = 0; (module = waiting[i]); i++) {
require.exec(module, traced, waiting, context);
}
//Indicate checkLoaded is now done.
context.isCheckLoaded = false;
if (context.waiting.length
//>>excludeStart("requireExcludePlugin", pragmas.requireExcludePlugin);
|| (pIsWaiting && pIsWaiting(context))
//>>excludeEnd("requireExcludePlugin");
) {
//More things in this context are waiting to load. They were probably
//added while doing the work above in checkLoaded, calling module
//callbacks that triggered other require calls.
require.checkLoaded(contextName);
} else if (contextLoads.length) {
//>>excludeStart("requireExcludeContext", pragmas.requireExcludeContext);
//Check for other contexts that need to load things.
//First, make sure current context has no more things to
//load. After defining the modules above, new require calls
//could have been made.
loaded = context.loaded;
allDone = true;
for (prop in loaded) {
if (!(prop in empty)) {
if (!loaded[prop]) {
allDone = false;
break;
}
}
}
if (allDone) {
s.ctxName = contextLoads[0][1];
loads = contextLoads;
//Reset contextLoads in case some of the waiting loads
//are for yet another context.
contextLoads = [];
for (i = 0; (loadArgs = loads[i]); i++) {
require.load.apply(require, loadArgs);
}
}
//>>excludeEnd("requireExcludeContext");
} else {
//Make sure we reset to default context.
s.ctxName = defContextName;
s.isDone = true;
if (require.callReady) {
require.callReady();
}
}
};
/**
* Executes the modules in the correct order.
*
* @private
*/
require.exec = function (module, traced, waiting, context) {
//Some modules are just plain script files, abddo not have a formal
//module definition,
if (!module) {
return undefined;
}
var name = module.name, cb = module.callback, deps = module.deps, j, dep,
defined = context.defined, ret, args = [], prefix, depModule,
usingExports = false, depName;
//If already traced or defined, do not bother a second time.
if (name) {
if (traced[name] || defined[name]) {
return defined[name];
}
//Mark this module as being traced, so that it is not retraced (as in a circular
//dependency)
traced[name] = true;
}
if (deps) {
for (j = 0; (dep = deps[j]); j++) {
depName = dep.name;
if (depName === "exports") {
//CommonJS module spec 1.1
depModule = defined[name] = {};
usingExports = true;
} else if (depName === "module") {
//CommonJS module spec 1.1
depModule = {
id: name,
uri: name ? require.nameToUrl(name, null, context.contextName) : undefined
};
} else {
//Get dependent module. It could not exist, for a circular
//dependency or if the loaded dependency does not actually call
//require. Favor not throwing an error here if undefined because
//we want to allow code that does not use require as a module
//definition framework to still work -- allow a web site to
//gradually update to contained modules. That is more
//important than forcing a throw for the circular dependency case.
depModule = depName in defined ? defined[depName] : (traced[depName] ? undefined : require.exec(waiting[waiting[depName]], traced, waiting, context));
}
args.push(depModule);
}
}
//Call the callback to define the module, if necessary.
cb = module.callback;
if (cb && require.isFunction(cb)) {
ret = require.execCb(name, cb, args);
if (name) {
if (usingExports) {
ret = defined[name];
} else {
if (name in defined) {
throw new Error(name + " has already been defined");
} else {
defined[name] = ret;
}
}
}
}
//>>excludeStart("requireExcludeModify", pragmas.requireExcludeModify);
//Execute modifiers, if they exist.
require.execModifiers(name, traced, waiting, context);
//>>excludeEnd("requireExcludeModify");
return ret;
};
/**
* Executes a module callack function. Broken out as a separate function
* solely to allow the build system to sequence the files in the built
* layer in the right sequence.
* @param {String} name the module name.
* @param {Function} cb the module callback/definition function.
* @param {Array} args The arguments (dependent modules) to pass to callback.
*
* @private
*/
require.execCb = function (name, cb, args) {
return cb.apply(null, args);
};
//>>excludeStart("requireExcludeModify", pragmas.requireExcludeModify);
/**
* Executes modifiers for the given module name.
* @param {String} target
* @param {Object} traced
* @param {Object} context
*
* @private
*/
require.execModifiers = function (target, traced, waiting, context) {
var modifiers = context.modifiers, mods = modifiers[target], mod, i;
if (mods) {
for (i = 0; i < mods.length; i++) {
mod = mods[i];
//Not all modifiers define a module, they might collect other modules.
//If it is just a collection it will not be in waiting.
if (mod in waiting) {
require.exec(waiting[waiting[mod]], traced, waiting, context);
}
}
delete modifiers[target];
}
};
//>>excludeEnd("requireExcludeModify");
/**
* callback for script loads, used to check status of loading.
*
* @param {Event} evt the event from the browser for the script
* that was loaded.
*
* @private
*/
require.onScriptLoad = function (evt) {
var node = evt.target || evt.srcElement, contextName, moduleName;
if (evt.type === "load" || readyRegExp.test(node.readyState)) {
//Pull out the name of the module and the context.
contextName = node.getAttribute("data-requirecontext");
moduleName = node.getAttribute("data-requiremodule");
//Mark the module loaded.
s.contexts[contextName].loaded[moduleName] = true;
require.checkLoaded(contextName);
//Clean up script binding.
if (node.removeEventListener) {
node.removeEventListener("load", require.onScriptLoad, false);
} else {
//Probably IE.
node.detachEvent("onreadystatechange", require.onScriptLoad);
}
}
};
/**
* Attaches the script represented by the URL to the current
* environment. Right now only supports browser loading,
* but can be redefined in other environments to do the right thing.
*/
require.attach = function (url, contextName, moduleName) {
if (require.isBrowser) {
var node = document.createElement("script");
node.type = "text/javascript";
node.charset = "utf-8";
node.setAttribute("data-requirecontext", contextName);
node.setAttribute("data-requiremodule", moduleName);
//Set up load listener.
if (node.addEventListener) {
node.addEventListener("load", require.onScriptLoad, false);
} else {
//Probably IE.
node.attachEvent("onreadystatechange", require.onScriptLoad);
}
node.src = url;
return s.head.appendChild(node);
}
return null;
};
//Determine what baseUrl should be if not already defined via a require config object
s.baseUrl = cfg && cfg.baseUrl;
if (require.isBrowser && (!s.baseUrl || !s.head)) {
//Figure out baseUrl. Get it from the script tag with require.js in it.
scripts = document.getElementsByTagName("script");
if (cfg && cfg.baseUrlMatch) {
rePkg = cfg.baseUrlMatch;
} else {
//>>includeStart("jquery", pragmas.jquery);
rePkg = /(requireplugins-|require-)?jquery[\-\d\.]*(min)?\.js(\W|$)/i;
//>>includeEnd("jquery");
//>>includeStart("dojoConvert", pragmas.dojoConvert);
rePkg = /dojo\.js(\W|$)/i;
//>>includeEnd("dojoConvert");
//>>excludeStart("dojoConvert", pragmas.dojoConvert);
//>>excludeStart("jquery", pragmas.jquery);
rePkg = /(allplugins-)?require\.js(\W|$)/i;
//>>excludeEnd("jquery");
//>>excludeEnd("dojoConvert");
}
for (i = scripts.length - 1; i > -1 && (script = scripts[i]); i--) {
//Set the "head" where we can append children by
//using the script's parent.
if (!s.head) {
s.head = script.parentNode;
}
//Using .src instead of getAttribute to get an absolute URL.
//While using a relative URL will be fine for script tags, other
//URLs used for text! resources that use XHR calls might benefit
//from an absolute URL.
src = script.src;
if (src) {
m = src.match(rePkg);
if (m) {
s.baseUrl = src.substring(0, m.index);
break;
}
}
}
}
//>>excludeStart("requireExcludePageLoad", pragmas.requireExcludePageLoad);
//****** START page load functionality ****************
/**
* Sets the page as loaded and triggers check for all modules loaded.
*/
require.pageLoaded = function () {
if (!s.isPageLoaded) {
s.isPageLoaded = true;
if (scrollIntervalId) {
clearInterval(scrollIntervalId);
}
//Part of a fix for FF < 3.6 where readyState was not set to
//complete so libraries like jQuery that check for readyState
//after page load where not getting initialized correctly.
//Original approach suggested by Andrea Giammarchi:
//http://webreflection.blogspot.com/2009/11/195-chars-to-help-lazy-loading.html
//see other setReadyState reference for the rest of the fix.
if (setReadyState) {
document.readyState = "complete";
}
require.callReady();
}
};
/**
* Internal function that calls back any ready functions. If you are
* integrating RequireJS with another library without require.ready support,
* you can define this method to call your page ready code instead.
*/
require.callReady = function () {
var callbacks = s.readyCalls, i, callback;
if (s.isPageLoaded && s.isDone && callbacks.length) {
s.readyCalls = [];
for (i = 0; (callback = callbacks[i]); i++) {
callback();
}
}
};
/**
* Registers functions to call when the page is loaded
*/
require.ready = function (callback) {
if (s.isPageLoaded && s.isDone) {
callback();
} else {
s.readyCalls.push(callback);
}
return require;
};
if (require.isBrowser) {
if (document.addEventListener) {
//Standards. Hooray! Assumption here that if standards based,
//it knows about DOMContentLoaded.
document.addEventListener("DOMContentLoaded", require.pageLoaded, false);
window.addEventListener("load", require.pageLoaded, false);
//Part of FF < 3.6 readystate fix (see setReadyState refs for more info)
if (!document.readyState) {
setReadyState = true;
document.readyState = "loading";
}
} else if (window.attachEvent) {
window.attachEvent("onload", require.pageLoaded);
//DOMContentLoaded approximation, as found by Diego Perini:
//http://javascript.nwbox.com/IEContentLoaded/
if (self === self.top) {
scrollIntervalId = setInterval(function () {
try {
document.documentElement.doScroll("left");
require.pageLoaded();
} catch (e) {}
}, 30);
}
}
//Check if document already complete, and if so, just trigger page load
//listeners. NOTE: does not work with Firefox before 3.6. To support
//those browsers, manually call require.pageLoaded().
if (document.readyState === "complete") {
require.pageLoaded();
}
}
//****** END page load functionality ****************
//>>excludeEnd("requireExcludePageLoad");
//Set up default context. If require was a configuration object, use that as base config.
if (cfg) {
require(cfg);
}
}());