yui-base.js revision 7380653a55868892cb97060c61641fc73ba22cbe
5643c7b4134ddde676793094a1c178f7e2614e3dMatt Sweeney/**
5643c7b4134ddde676793094a1c178f7e2614e3dMatt Sweeney * The YUI module contains the components required for building the YUI seed
5643c7b4134ddde676793094a1c178f7e2614e3dMatt Sweeney * file. This includes the script loading mechanism, a simple queue, and
5643c7b4134ddde676793094a1c178f7e2614e3dMatt Sweeney * the core utilities for the library.
5643c7b4134ddde676793094a1c178f7e2614e3dMatt Sweeney * @module yui
5643c7b4134ddde676793094a1c178f7e2614e3dMatt Sweeney * @submodule yui-base
*/
if (typeof YUI != 'undefined') {
YUI._YUI = YUI;
}
/**
* The YUI global namespace object. If YUI is already defined, the
* existing YUI object will not be overwritten so that defined
* namespaces are preserved. It is the constructor for the object
* the end user interacts with. As indicated below, each instance
* has full custom event support, but only if the event system
* is available. This is a self-instantiable factory function. You
* can invoke it directly like this:
*
* YUI().use('*', function(Y) {
* // ready
* });
*
* But it also works like this:
*
* var Y = YUI();
*
* @class YUI
* @constructor
* @global
* @uses EventTarget
* @param o* {object} 0..n optional configuration objects. these values
* are store in Y.config. See config for the list of supported
* properties.
*/
/*global YUI*/
/*global YUI_config*/
var YUI = function() {
var i = 0,
Y = this,
args = arguments,
l = args.length,
instanceOf = function(o, type) {
return (o && o.hasOwnProperty && (o instanceof type));
},
gconf = (typeof YUI_config !== 'undefined') && YUI_config;
if (!(instanceOf(Y, YUI))) {
Y = new YUI();
} else {
// set up the core environment
Y._init();
// YUI.GlobalConfig is a master configuration that might span
// multiple contexts in a non-browser environment. It is applied
// first to all instances in all contexts.
if (YUI.GlobalConfig) {
Y.applyConfig(YUI.GlobalConfig);
}
// YUI_Config is a page-level config. It is applied to all
// instances created on the page. This is applied after
// YUI.GlobalConfig, and before the instance level configuration
// objects.
if (gconf) {
Y.applyConfig(gconf);
}
// bind the specified additional modules for this instance
if (!l) {
Y._setup();
}
}
if (l) {
// Each instance can accept one or more configuration objects.
// These are applied after YUI.GlobalConfig and YUI_Config,
// overriding values set in those config files if there is a '
// matching property.
for (; i < l; i++) {
Y.applyConfig(args[i]);
}
Y._setup();
}
Y.instanceOf = instanceOf;
return Y;
};
(function() {
var proto, prop,
VERSION = '@VERSION@',
PERIOD = '.',
BASE = 'http://yui.yahooapis.com/',
DOC_LABEL = 'yui3-js-enabled',
NOOP = function() {},
SLICE = Array.prototype.slice,
APPLY_TO_AUTH = { 'io.xdrReady': 1, // the functions applyTo
'io.xdrResponse': 1, // can call. this should
'SWF.eventHandler': 1 }, // be done at build time
hasWin = (typeof window != 'undefined'),
win = (hasWin) ? window : null,
doc = (hasWin) ? win.document : null,
docEl = doc && doc.documentElement,
docClass = docEl && docEl.className,
instances = {},
time = new Date().getTime(),
add = function(el, type, fn, capture) {
if (el && el.addEventListener) {
el.addEventListener(type, fn, capture);
} else if (el && el.attachEvent) {
el.attachEvent('on' + type, fn);
}
},
remove = function(el, type, fn, capture) {
if (el && el.removeEventListener) {
// this can throw an uncaught exception in FF
try {
el.removeEventListener(type, fn, capture);
} catch (ex) {}
} else if (el && el.detachEvent) {
el.detachEvent('on' + type, fn);
}
},
handleLoad = function() {
YUI.Env.windowLoaded = true;
YUI.Env.DOMReady = true;
if (hasWin) {
remove(window, 'load', handleLoad);
}
},
getLoader = function(Y, o) {
var loader = Y.Env._loader;
if (loader) {
//loader._config(Y.config);
loader.ignoreRegistered = false;
loader.onEnd = null;
loader.data = null;
loader.required = [];
loader.loadType = null;
} else {
loader = new Y.Loader(Y.config);
Y.Env._loader = loader;
}
return loader;
},
clobber = function(r, s) {
for (var i in s) {
if (s.hasOwnProperty(i)) {
r[i] = s[i];
}
}
},
ALREADY_DONE = { success: true };
// Stamp the documentElement (HTML) with a class of "yui-loaded" to
// enable styles that need to key off of JS being enabled.
if (docEl && docClass.indexOf(DOC_LABEL) == -1) {
if (docClass) {
docClass += ' ';
}
docClass += DOC_LABEL;
docEl.className = docClass;
}
if (VERSION.indexOf('@') > -1) {
VERSION = '3.3.0'; // dev time hack for cdn test
}
proto = {
/**
* Applies a new configuration object to the YUI instance config.
* This will merge new group/module definitions, and will also
* update the loader cache if necessary. Updating Y.config directly
* will not update the cache.
* @method applyConfig
* @param {object} the configuration object.
* @since 3.2.0
*/
applyConfig: function(o) {
o = o || NOOP;
var attr,
name,
// detail,
config = this.config,
mods = config.modules,
groups = config.groups,
rls = config.rls,
loader = this.Env._loader;
for (name in o) {
if (o.hasOwnProperty(name)) {
attr = o[name];
if (mods && name == 'modules') {
clobber(mods, attr);
} else if (groups && name == 'groups') {
clobber(groups, attr);
} else if (rls && name == 'rls') {
clobber(rls, attr);
} else if (name == 'win') {
config[name] = attr.contentWindow || attr;
config.doc = config[name].document;
} else if (name == '_yuid') {
// preserve the guid
} else {
config[name] = attr;
}
}
}
if (loader) {
loader._config(o);
}
},
_config: function(o) {
this.applyConfig(o);
},
/**
* Initialize this YUI instance
* @private
*/
_init: function() {
var filter,
Y = this,
G_ENV = YUI.Env,
Env = Y.Env,
prop;
/**
* The version number of the YUI instance.
* @property version
* @type string
*/
Y.version = VERSION;
if (!Env) {
Y.Env = {
mods: {}, // flat module map
versions: {}, // version module map
base: BASE,
cdn: BASE + VERSION + '/build/',
// bootstrapped: false,
_idx: 0,
_used: {},
_attached: {},
_missed: [],
_yidx: 0,
_uidx: 0,
_guidp: 'y',
_loaded: {},
// serviced: {},
getBase: G_ENV && G_ENV.getBase ||
function(srcPattern, comboPattern) {
var b, nodes, i, src, match;
// get from querystring
nodes = (doc && doc.getElementsByTagName('script')) || [];
for (i = 0; i < nodes.length; i = i + 1) {
src = nodes[i].src;
if (src) {
match = src.match(srcPattern);
b = match && match[1];
if (b) {
// this is to set up the path to the loader. The file
// filter for loader should match the yui include.
filter = match[2];
if (filter) {
match = filter.indexOf('js');
if (match > -1) {
filter = filter.substr(0, match);
}
}
// extract correct path for mixed combo urls
// http://yuilibrary.com/projects/yui3/ticket/2528423
match = src.match(comboPattern);
if (match && match[3]) {
b = match[1] + match[3];
}
break;
}
}
}
// use CDN default
return b || Env.cdn;
}
};
Env = Y.Env;
Env._loaded[VERSION] = {};
if (G_ENV && Y !== YUI) {
Env._yidx = ++G_ENV._yidx;
Env._guidp = ('yui_' + VERSION + '_' +
Env._yidx + '_' + time).replace(/\./g, '_');
} else if (YUI._YUI) {
G_ENV = YUI._YUI.Env;
Env._yidx += G_ENV._yidx;
Env._uidx += G_ENV._uidx;
for (prop in G_ENV) {
if (!(prop in Env)) {
Env[prop] = G_ENV[prop];
}
}
delete YUI._YUI;
}
Y.id = Y.stamp(Y);
instances[Y.id] = Y;
}
Y.constructor = YUI;
// configuration defaults
Y.config = Y.config || {
win: win,
doc: doc,
debug: true,
useBrowserConsole: true,
throwFail: true,
bootstrap: true,
cacheUse: true,
fetchCSS: true,
use_rls: false
};
Y.config.lang = Y.config.lang || 'en-US';
Y.config.base = YUI.config.base ||
Y.Env.getBase(/^(.*)yui\/yui([\.\-].*)js(\?.*)?$/,
/^(.*\?)(.*\&)(.*)yui\/yui[\.\-].*js(\?.*)?$/);
if (!filter || (!('-min.-debug.').indexOf(filter))) {
filter = '-min.';
}
Y.config.loaderPath = YUI.config.loaderPath ||
'loader/loader' + (filter || '-min.') + 'js';
},
/**
* Finishes the instance setup. Attaches whatever modules were defined
* when the yui modules was registered.
* @method _setup
* @private
*/
_setup: function(o) {
var i, Y = this,
core = [],
mods = YUI.Env.mods,
extras = Y.config.core || ['get','intl-base','yui-log','yui-later','alias'];
for (i = 0; i < extras.length; i++) {
if (mods[extras[i]]) {
core.push(extras[i]);
}
}
Y._attach(['yui-base']);
Y._attach(core);
},
/**
* Executes a method on a YUI instance with
* the specified id if the specified method is whitelisted.
* @method applyTo
* @param id {string} the YUI instance id.
* @param method {string} the name of the method to exectute.
* Ex: 'Object.keys'.
* @param args {Array} the arguments to apply to the method.
* @return {object} the return value from the applied method or null.
*/
applyTo: function(id, method, args) {
if (!(method in APPLY_TO_AUTH)) {
this.log(method + ': applyTo not allowed', 'warn', 'yui');
return null;
}
var instance = instances[id], nest, m, i;
if (instance) {
nest = method.split('.');
m = instance;
for (i = 0; i < nest.length; i = i + 1) {
m = m[nest[i]];
if (!m) {
this.log('applyTo not found: ' + method, 'warn', 'yui');
}
}
return m.apply(instance, args);
}
return null;
},
/**
* Registers a module with the YUI global. The easiest way to create a
* first-class YUI module is to use the YUI component build tool.
*
* http://yuilibrary.com/projects/builder
*
* The build system will produce the YUI.add wrapper for you module, along
* with any configuration info required for the module.
* @method add
* @param name {string} module name.
* @param fn {Function} entry point into the module that
* is used to bind module to the YUI instance.
* @param version {string} version string.
* @param details {object} optional config data:
* requires: features that must be present before this module can be
* attached.
* optional: optional features that should be present if loadOptional
* is defined. Note: modules are not often loaded this way in YUI 3,
* but this field is still useful to inform the user that certain
* features in the component will require additional dependencies.
* use: features that are included within this module which need to
* be attached automatically when this module is attached. This
* supports the YUI 3 rollup system -- a module with submodules
* defined will need to have the submodules listed in the 'use'
* config. The YUI component build tool does this for you.
* @return {YUI} the YUI instance.
*
*/
add: function(name, fn, version, details) {
details = details || {};
var env = YUI.Env,
mod = {
name: name,
fn: fn,
version: version,
details: details
},
loader,
i, versions = env.versions;
env.mods[name] = mod;
versions[version] = versions[version] || {};
versions[version][name] = mod;
for (i in instances) {
if (instances.hasOwnProperty(i)) {
loader = instances[i].Env._loader;
if (loader) {
if (!loader.moduleInfo[name]) {
loader.addModule(details, name);
}
}
}
}
return this;
},
/**
* Executes the function associated with each required
* module, binding the module to the YUI instance.
* @method _attach
* @private
*/
_attach: function(r, moot) {
var i, name, mod, details, req, use, after,
mods = YUI.Env.mods,
aliases = YUI.Env.aliases,
Y = this, j,
done = Y.Env._attached,
len = r.length, loader;
//console.info('attaching: ' + r, 'info', 'yui');
for (i = 0; i < len; i++) {
if (!done[r[i]]) {
name = r[i];
mod = mods[name];
if (aliases && aliases[name]) {
Y._attach(aliases[name]);
break;
}
if (!mod) {
loader = Y.Env._loader;
if (loader && loader.moduleInfo[name]) {
mod = loader.moduleInfo[name];
if (mod.use) {
moot = true;
}
}
//if (!loader || !loader.moduleInfo[name]) {
//if ((!loader || !loader.moduleInfo[name]) && !moot) {
if (!moot) {
if (name.indexOf('skin-') === -1) {
Y.Env._missed.push(name);
Y.message('NOT loaded: ' + name, 'warn', 'yui');
}
}
} else {
done[name] = true;
//Don't like this, but in case a mod was asked for once, then we fetch it
//We need to remove it from the missed list
for (j = 0; j < Y.Env._missed.length; j++) {
if (Y.Env._missed[j] === name) {
Y.message('Found: ' + name + ' (was reported as missing earlier)', 'warn', 'yui');
Y.Env._missed.splice(j, 1);
}
}
details = mod.details;
req = details.requires;
use = details.use;
after = details.after;
if (req) {
for (j = 0; j < req.length; j++) {
if (!done[req[j]]) {
if (!Y._attach(req)) {
return false;
}
break;
}
}
}
if (after) {
for (j = 0; j < after.length; j++) {
if (!done[after[j]]) {
if (!Y._attach(after, true)) {
return false;
}
break;
}
}
}
if (mod.fn) {
try {
mod.fn(Y, name);
} catch (e) {
Y.error('Attach error: ' + name, e, name);
return false;
}
}
if (use) {
for (j = 0; j < use.length; j++) {
if (!done[use[j]]) {
if (!Y._attach(use)) {
return false;
}
break;
}
}
}
}
}
}
return true;
},
/**
* Attaches one or more modules to the YUI instance. When this
* is executed, the requirements are analyzed, and one of
* several things can happen:
*
* - All requirements are available on the page -- The modules
* are attached to the instance. If supplied, the use callback
* is executed synchronously.
*
* - Modules are missing, the Get utility is not available OR
* the 'bootstrap' config is false -- A warning is issued about
* the missing modules and all available modules are attached.
*
* - Modules are missing, the Loader is not available but the Get
* utility is and boostrap is not false -- The loader is bootstrapped
* before doing the following....
*
* - Modules are missing and the Loader is available -- The loader
* expands the dependency tree and fetches missing modules. When
* the loader is finshed the callback supplied to use is executed
* asynchronously.
*
* @param modules* {string} 1-n modules to bind (uses arguments array).
* @param *callback {function} callback function executed when
* the instance has the required functionality. If included, it
* must be the last parameter.
* <code>
* // loads and attaches dd and its dependencies
* YUI().use('dd', function(Y) &#123;&#125);
* // loads and attaches dd and node as well as all of their dependencies
* YUI().use(['dd', 'node'], function(Y) &#123;&#125);
* // attaches all modules that are available on the page
* YUI().use('*', function(Y) &#123;&#125);
* // intrinsic YUI gallery support (since 3.1.0)
* YUI().use('gallery-yql', function(Y) &#123;&#125);
* // intrinsic YUI 2in3 support (since 3.1.0)
* YUI().use('yui2-datatable', function(Y) &#123;&#125);.
* </code>
*
* @return {YUI} the YUI instance.
*/
use: function() {
var args = SLICE.call(arguments, 0),
callback = args[args.length - 1],
Y = this,
i = 0,
name,
Env = Y.Env,
provisioned = true;
// The last argument supplied to use can be a load complete callback
if (Y.Lang.isFunction(callback)) {
args.pop();
} else {
callback = null;
}
if (Y.Lang.isArray(args[0])) {
args = args[0];
}
if (Y.config.cacheUse) {
while ((name = args[i++])) {
if (!Env._attached[name]) {
provisioned = false;
break;
}
}
if (provisioned) {
if (args.length) {
}
Y._notify(callback, ALREADY_DONE, args);
return Y;
}
}
if (Y.config.cacheUse) {
while ((name = args[i++])) {
if (!Env._attached[name]) {
provisioned = false;
break;
}
}
if (provisioned) {
if (args.length) {
}
Y._notify(callback, ALREADY_DONE, args);
return Y;
}
}
if (Y._loading) {
Y._useQueue = Y._useQueue || new Y.Queue();
Y._useQueue.add([args, callback]);
} else {
Y._use(args, function(Y, response) {
Y._notify(callback, response, args);
});
}
return Y;
},
_notify: function(callback, response, args) {
if (!response.success && this.config.loadErrorFn) {
this.config.loadErrorFn.call(this, this, callback, response, args);
} else if (callback) {
try {
callback(this, response);
} catch (e) {
this.error('use callback error', e, args);
}
}
},
_use: function(args, callback) {
if (!this.Array) {
this._attach(['yui-base']);
}
var len, loader, handleBoot, handleRLS,
Y = this,
G_ENV = YUI.Env,
mods = G_ENV.mods,
Env = Y.Env,
used = Env._used,
queue = G_ENV._loaderQueue,
firstArg = args[0],
YArray = Y.Array,
config = Y.config,
boot = config.bootstrap,
missing = [],
r = [],
ret = true,
fetchCSS = config.fetchCSS,
process = function(names, skip) {
if (!names.length) {
return;
}
YArray.each(names, function(name) {
// add this module to full list of things to attach
if (!skip) {
r.push(name);
}
// only attach a module once
if (used[name]) {
return;
}
var m = mods[name], req, use;
if (m) {
used[name] = true;
req = m.details.requires;
use = m.details.use;
} else {
// CSS files don't register themselves, see if it has
// been loaded
if (!G_ENV._loaded[VERSION][name]) {
missing.push(name);
} else {
used[name] = true; // probably css
}
}
// make sure requirements are attached
if (req && req.length) {
process(req);
}
// make sure we grab the submodule dependencies too
if (use && use.length) {
process(use, 1);
}
});
},
handleLoader = function(fromLoader) {
var response = fromLoader || {
success: true,
msg: 'not dynamic'
},
redo, origMissing,
ret = true,
data = response.data;
Y._loading = false;
if (data) {
origMissing = missing;
missing = [];
r = [];
process(data);
redo = missing.length;
if (redo) {
if (missing.sort().join() ==
origMissing.sort().join()) {
redo = false;
}
}
}
if (redo && data) {
Y._loading = false;
Y._use(args, function() {
if (Y._attach(data)) {
Y._notify(callback, response, data);
}
});
} else {
if (data) {
ret = Y._attach(data);
}
if (ret) {
Y._notify(callback, response, args);
}
}
if (Y._useQueue && Y._useQueue.size() && !Y._loading) {
Y._use.apply(Y, Y._useQueue.next());
}
};
// YUI().use('*'); // bind everything available
if (firstArg === '*') {
ret = Y._attach(Y.Object.keys(mods));
if (ret) {
handleLoader();
}
return Y;
}
// use loader to expand dependencies and sort the
// requirements if it is available.
if (boot && Y.Loader && args.length) {
loader = getLoader(Y);
loader.require(args);
loader.ignoreRegistered = true;
loader.calculate(null, (fetchCSS) ? null : 'js');
args = loader.sorted;
}
// process each requirement and any additional requirements
// the module metadata specifies
process(args);
len = missing.length;
if (len) {
missing = Y.Object.keys(YArray.hash(missing));
len = missing.length;
}
// dynamic load
if (boot && len && Y.Loader) {
Y._loading = true;
loader = getLoader(Y);
loader.onEnd = handleLoader;
loader.context = Y;
loader.data = args;
loader.ignoreRegistered = false;
loader.require(args);
loader.insert(null, (fetchCSS) ? null : 'js');
// loader.partial(missing, (fetchCSS) ? null : 'js');
} else if (len && Y.config.use_rls) {
G_ENV._rls_queue = G_ENV._rls_queue || new Y.Queue();
// server side loader service
handleRLS = function(instance, argz) {
var rls_end = function(o) {
handleLoader(o);
G_ENV._rls_in_progress = false;
if (G_ENV._rls_queue.size()) {
G_ENV._rls_queue.next()();
}
},
rls_url = instance._rls(argz);
if (rls_url) {
instance.rls_oncomplete(function(o) {
rls_end(o);
});
instance.Get.script(rls_url, {
data: argz
});
} else {
rls_end({
data: argz
});
}
};
G_ENV._rls_queue.add(function() {
G_ENV._rls_in_progress = true;
Y.rls_locals(Y, args, handleRLS);
});
if (!G_ENV._rls_in_progress && G_ENV._rls_queue.size()) {
G_ENV._rls_queue.next()();
}
} else if (boot && len && Y.Get && !Env.bootstrapped) {
Y._loading = true;
handleBoot = function() {
Y._loading = false;
queue.running = false;
Env.bootstrapped = true;
if (Y._attach(['loader'])) {
Y._use(args, callback);
}
};
if (G_ENV._bootstrapping) {
queue.add(handleBoot);
} else {
G_ENV._bootstrapping = true;
Y.Get.script(config.base + config.loaderPath, {
onEnd: handleBoot
});
}
} else {
ret = Y._attach(args);
if (ret) {
handleLoader();
}
}
return Y;
},
/**
* Returns the namespace specified and creates it if it doesn't exist
* <pre>
* YUI.namespace("property.package");
* YUI.namespace("YAHOO.property.package");
* </pre>
* Either of the above would create YUI.property, then
* YUI.property.package (YAHOO is scrubbed out, this is
* to remain compatible with YUI2)
*
* Be careful when naming packages. Reserved words may work in some browsers
* and not others. For instance, the following will fail in Safari:
* <pre>
* YUI.namespace("really.long.nested.namespace");
* </pre>
* This fails because "long" is a future reserved word in ECMAScript
*
* @method namespace
* @param {string*} arguments 1-n namespaces to create.
* @return {object} A reference to the last namespace object created.
*/
namespace: function() {
var a = arguments, o = this, i = 0, j, d, arg;
for (; i < a.length; i++) {
// d = ('' + a[i]).split('.');
arg = a[i];
if (arg.indexOf(PERIOD)) {
d = arg.split(PERIOD);
for (j = (d[0] == 'YAHOO') ? 1 : 0; j < d.length; j++) {
o[d[j]] = o[d[j]] || {};
o = o[d[j]];
}
} else {
o[arg] = o[arg] || {};
}
}
return o;
},
// this is replaced if the log module is included
log: NOOP,
message: NOOP,
/**
* Report an error. The reporting mechanism is controled by
* the 'throwFail' configuration attribute. If throwFail is
* not specified, the message is written to the Logger, otherwise
* a JS error is thrown
* @method error
* @param msg {string} the error message.
* @param e {Error|string} Optional JS error that was caught, or an error string.
* @param data Optional additional info
* and throwFail is specified, this error will be re-thrown.
* @return {YUI} this YUI instance.
*/
error: function(msg, e, data) {
var Y = this, ret;
if (Y.config.errorFn) {
ret = Y.config.errorFn.apply(Y, arguments);
}
if (Y.config.throwFail && !ret) {
throw (e || new Error(msg));
} else {
Y.message(msg, 'error'); // don't scrub this one
}
return Y;
},
/**
* Generate an id that is unique among all YUI instances
* @method guid
* @param pre {string} optional guid prefix.
* @return {string} the guid.
*/
guid: function(pre) {
var id = this.Env._guidp + '_' + (++this.Env._uidx);
return (pre) ? (pre + id) : id;
},
/**
* Returns a guid associated with an object. If the object
* does not have one, a new one is created unless readOnly
* is specified.
* @method stamp
* @param o The object to stamp.
* @param readOnly {boolean} if true, a valid guid will only
* be returned if the object has one assigned to it.
* @return {string} The object's guid or null.
*/
stamp: function(o, readOnly) {
var uid;
if (!o) {
return o;
}
// IE generates its own unique ID for dom nodes
// The uniqueID property of a document node returns a new ID
if (o.uniqueID && o.nodeType && o.nodeType !== 9) {
uid = o.uniqueID;
} else {
uid = (typeof o === 'string') ? o : o._yuid;
}
if (!uid) {
uid = this.guid();
if (!readOnly) {
try {
o._yuid = uid;
} catch (e) {
uid = null;
}
}
}
return uid;
},
/**
* Destroys the YUI instance
* @method destroy
* @since 3.3.0
*/
destroy: function() {
var Y = this;
if (Y.Event) {
Y.Event._unload();
}
delete instances[Y.id];
delete Y.Env;
delete Y.config;
}
/**
* instanceof check for objects that works around
* memory leak in IE when the item tested is
* window/document
* @method instanceOf
* @since 3.3.0
*/
};
YUI.prototype = proto;
// inheritance utilities are not available yet
for (prop in proto) {
if (proto.hasOwnProperty(prop)) {
YUI[prop] = proto[prop];
}
}
// set up the environment
YUI._init();
if (hasWin) {
// add a window load event at load time so we can capture
// the case where it fires before dynamic loading is
// complete.
add(window, 'load', handleLoad);
} else {
handleLoad();
}
YUI.Env.add = add;
YUI.Env.remove = remove;
/*global exports*/
// Support the CommonJS method for exporting our single global
if (typeof exports == 'object') {
exports.YUI = YUI;
}
}());
/**
* The config object contains all of the configuration options for
* the YUI instance. This object is supplied by the implementer
* when instantiating a YUI instance. Some properties have default
* values if they are not supplied by the implementer. This should
* not be updated directly because some values are cached. Use
* applyConfig() to update the config object on a YUI instance that
* has already been configured.
*
* @class config
* @static
*/
/**
* Allows the YUI seed file to fetch the loader component and library
* metadata to dynamically load additional dependencies.
*
* @property bootstrap
* @type boolean
* @default true
*/
/**
* Log to the browser console if debug is on and the browser has a
* supported console.
*
* @property useBrowserConsole
* @type boolean
* @default true
*/
/**
* A hash of log sources that should be logged. If specified, only
* log messages from these sources will be logged.
*
* @property logInclude
* @type object
*/
/**
* A hash of log sources that should be not be logged. If specified,
* all sources are logged if not on this list.
*
* @property logExclude
* @type object
*/
/**
* Set to true if the yui seed file was dynamically loaded in
* order to bootstrap components relying on the window load event
* and the 'domready' custom event.
*
* @property injected
* @type boolean
* @default false
*/
/**
* If throwFail is set, Y.error will generate or re-throw a JS Error.
* Otherwise the failure is logged.
*
* @property throwFail
* @type boolean
* @default true
*/
/**
* The window/frame that this instance should operate in.
*
* @property win
* @type Window
* @default the window hosting YUI
*/
/**
* The document associated with the 'win' configuration.
*
* @property doc
* @type Document
* @default the document hosting YUI
*/
/**
* A list of modules that defines the YUI core (overrides the default).
*
* @property core
* @type string[]
*/
/**
* A list of languages in order of preference. This list is matched against
* the list of available languages in modules that the YUI instance uses to
* determine the best possible localization of language sensitive modules.
* Languages are represented using BCP 47 language tags, such as "en-GB" for
* English as used in the United Kingdom, or "zh-Hans-CN" for simplified
* Chinese as used in China. The list can be provided as a comma-separated
* list or as an array.
*
* @property lang
* @type string|string[]
*/
/**
* The default date format
* @property dateFormat
* @type string
* @deprecated use configuration in DataType.Date.format() instead.
*/
/**
* The default locale
* @property locale
* @type string
* @deprecated use config.lang instead.
*/
/**
* The default interval when polling in milliseconds.
* @property pollInterval
* @type int
* @default 20
*/
/**
* The number of dynamic nodes to insert by default before
* automatically removing them. This applies to script nodes
* because remove the node will not make the evaluated script
* unavailable. Dynamic CSS is not auto purged, because removing
* a linked style sheet will also remove the style definitions.
* @property purgethreshold
* @type int
* @default 20
*/
/**
* The default interval when polling in milliseconds.
* @property windowResizeDelay
* @type int
* @default 40
*/
/**
* Base directory for dynamic loading
* @property base
* @type string
*/
/*
* The secure base dir (not implemented)
* For dynamic loading.
* @property secureBase
* @type string
*/
/**
* The YUI combo service base dir. Ex: http://yui.yahooapis.com/combo?
* For dynamic loading.
* @property comboBase
* @type string
*/
/**
* The root path to prepend to module path for the combo service.
* Ex: 3.0.0b1/build/
* For dynamic loading.
* @property root
* @type string
*/
/**
* A filter to apply to result urls. This filter will modify the default
* path for all modules. The default path for the YUI library is the
* minified version of the files (e.g., event-min.js). The filter property
* can be a predefined filter or a custom filter. The valid predefined
* filters are:
* <dl>
* <dt>DEBUG</dt>
* <dd>Selects the debug versions of the library (e.g., event-debug.js).
* This option will automatically include the Logger widget</dd>
* <dt>RAW</dt>
* <dd>Selects the non-minified version of the library (e.g., event.js).</dd>
* </dl>
* You can also define a custom filter, which must be an object literal
* containing a search expression and a replace string:
* <pre>
* myFilter: &#123;
* 'searchExp': "-min\\.js",
* 'replaceStr': "-debug.js"
* &#125;
* </pre>
*
* For dynamic loading.
*
* @property filter
* @type string|object
*/
/**
* The 'skin' config let's you configure application level skin
* customizations. It contains the following attributes which
* can be specified to override the defaults:
*
* // The default skin, which is automatically applied if not
* // overriden by a component-specific skin definition.
* // Change this in to apply a different skin globally
* defaultSkin: 'sam',
*
* // This is combined with the loader base property to get
* // the default root directory for a skin.
* base: 'assets/skins/',
*
* // Any component-specific overrides can be specified here,
* // making it possible to load different skins for different
* // components. It is possible to load more than one skin
* // for a given component as well.
* overrides: {
* slider: ['capsule', 'round']
* }
*
* For dynamic loading.
*
* @property skin
*/
/**
* Hash of per-component filter specification. If specified for a given
* component, this overrides the filter config.
*
* For dynamic loading.
*
* @property filters
*/
/**
* Use the YUI combo service to reduce the number of http connections
* required to load your dependencies. Turning this off will
* disable combo handling for YUI and all module groups configured
* with a combo service.
*
* For dynamic loading.
*
* @property combine
* @type boolean
* @default true if 'base' is not supplied, false if it is.
*/
/**
* A list of modules that should never be dynamically loaded
*
* @property ignore
* @type string[]
*/
/**
* A list of modules that should always be loaded when required, even if already
* present on the page.
*
* @property force
* @type string[]
*/
/**
* Node or id for a node that should be used as the insertion point for new
* nodes. For dynamic loading.
*
* @property insertBefore
* @type string
*/
/**
* Object literal containing attributes to add to dynamically loaded script
* nodes.
* @property jsAttributes
* @type string
*/
/**
* Object literal containing attributes to add to dynamically loaded link
* nodes.
* @property cssAttributes
* @type string
*/
/**
* Number of milliseconds before a timeout occurs when dynamically
* loading nodes. If not set, there is no timeout.
* @property timeout
* @type int
*/
/**
* Callback for the 'CSSComplete' event. When dynamically loading YUI
* components with CSS, this property fires when the CSS is finished
* loading but script loading is still ongoing. This provides an
* opportunity to enhance the presentation of a loading page a little
* bit before the entire loading process is done.
*
* @property onCSS
* @type function
*/
/**
* A hash of module definitions to add to the list of YUI components.
* These components can then be dynamically loaded side by side with
* YUI via the use() method. This is a hash, the key is the module
* name, and the value is an object literal specifying the metdata
* for the module. * See Loader.addModule for the supported module
* metadata fields. Also @see groups, which provides a way to
* configure the base and combo spec for a set of modules.
* <code>
* modules: {
* &nbsp; mymod1: {
* &nbsp; requires: ['node'],
* &nbsp; fullpath: 'http://myserver.mydomain.com/mymod1/mymod1.js'
* &nbsp; },
* &nbsp; mymod2: {
* &nbsp; requires: ['mymod1'],
* &nbsp; fullpath: 'http://myserver.mydomain.com/mymod2/mymod2.js'
* &nbsp; }
* }
* </code>
*
* @property modules
* @type object
*/
/**
* A hash of module group definitions. It for each group you
* can specify a list of modules and the base path and
* combo spec to use when dynamically loading the modules. @see
* @see modules for the details about the modules part of the
* group definition.
* <code>
* &nbsp; groups: {
* &nbsp; yui2: {
* &nbsp; // specify whether or not this group has a combo service
* &nbsp; combine: true,
* &nbsp;
* &nbsp; // the base path for non-combo paths
* &nbsp; base: 'http://yui.yahooapis.com/2.8.0r4/build/',
* &nbsp;
* &nbsp; // the path to the combo service
* &nbsp; comboBase: 'http://yui.yahooapis.com/combo?',
* &nbsp;
* &nbsp; // a fragment to prepend to the path attribute when
* &nbsp; // when building combo urls
* &nbsp; root: '2.8.0r4/build/',
* &nbsp;
* &nbsp; // the module definitions
* &nbsp; modules: {
* &nbsp; yui2_yde: {
* &nbsp; path: "yahoo-dom-event/yahoo-dom-event.js"
* &nbsp; },
* &nbsp; yui2_anim: {
* &nbsp; path: "animation/animation.js",
* &nbsp; requires: ['yui2_yde']
* &nbsp; }
* &nbsp; }
* &nbsp; }
* &nbsp; }
* </code>
* @property modules
* @type object
*/
/**
* The loader 'path' attribute to the loader itself. This is combined
* with the 'base' attribute to dynamically load the loader component
* when boostrapping with the get utility alone.
*
* @property loaderPath
* @type string
* @default loader/loader-min.js
*/
/**
* Specifies whether or not YUI().use(...) will attempt to load CSS
* resources at all. Any truthy value will cause CSS dependencies
* to load when fetching script. The special value 'force' will
* cause CSS dependencies to be loaded even if no script is needed.
*
* @property fetchCSS
* @type boolean|string
* @default true
*/
/**
* The default gallery version to build gallery module urls
* @property gallery
* @type string
* @since 3.1.0
*/
/**
* The default YUI 2 version to build yui2 module urls. This is for
* intrinsic YUI 2 support via the 2in3 project. Also @see the '2in3'
* config for pulling different revisions of the wrapped YUI 2
* modules.
* @since 3.1.0
* @property yui2
* @type string
* @default 2.8.1
*/
/**
* The 2in3 project is a deployment of the various versions of YUI 2
* deployed as first-class YUI 3 modules. Eventually, the wrapper
* for the modules will change (but the underlying YUI 2 code will
* be the same), and you can select a particular version of
* the wrapper modules via this config.
* @since 3.1.0
* @property 2in3
* @type string
* @default 1
*/
/**
* Alternative console log function for use in environments without
* a supported native console. The function is executed in the
* YUI instance context.
* @since 3.1.0
* @property logFn
* @type Function
*/
/**
* A callback to execute when Y.error is called. It receives the
* error message and an javascript error object if Y.error was
* executed because a javascript error was caught. The function
* is executed in the YUI instance context.
*
* @since 3.2.0
* @property errorFn
* @type Function
*/
/**
* A callback to execute when the loader fails to load one or
* more resource. This could be because of a script load
* failure. It can also fail if a javascript module fails
* to register itself, but only when the 'requireRegistration'
* is true. If this function is defined, the use() callback will
* only be called when the loader succeeds, otherwise it always
* executes unless there was a javascript error when attaching
* a module.
*
* @since 3.3.0
* @property loadErrorFn
* @type Function
*/
/**
* When set to true, the YUI loader will expect that all modules
* it is responsible for loading will be first-class YUI modules
* that register themselves with the YUI global. If this is
* set to true, loader will fail if the module registration fails
* to happen after the script is loaded.
*
* @since 3.3.0
* @property requireRegistration
* @type boolean
* @default false
*/
/**
* Cache serviced use() requests.
* @since 3.3.0
* @property cacheUse
* @type boolean
* @default true
* @deprecated no longer used
*/
/**
* The parameter defaults for the remote loader service.
* Requires the rls submodule. The properties that are
* supported:
* <pre>
* m: comma separated list of module requirements. This
* must be the param name even for custom implemetations.
* v: the version of YUI to load. Defaults to the version
* of YUI that is being used.
* gv: the version of the gallery to load (@see the gallery config)
* env: comma separated list of modules already on the page.
* this must be the param name even for custom implemetations.
* lang: the languages supported on the page (@see the lang config)
* '2in3v': the version of the 2in3 wrapper to use (@see the 2in3 config).
* '2v': the version of yui2 to use in the yui 2in3 wrappers
* (@see the yui2 config)
* filt: a filter def to apply to the urls (@see the filter config).
* filts: a list of custom filters to apply per module
* (@see the filters config).
* tests: this is a map of conditional module test function id keys
* with the values of 1 if the test passes, 0 if not. This must be
* the name of the querystring param in custom templates.
*</pre>
*
* @since 3.2.0
* @property rls
*/
/**
* The base path to the remote loader service
*
* @since 3.2.0
* @property rls_base
*/
/**
* The template to use for building the querystring portion
* of the remote loader service url. The default is determined
* by the rls config -- each property that has a value will be
* represented.
*
* ex: m={m}&v={v}&env={env}&lang={lang}&filt={filt}&tests={tests}
*
*
* @since 3.2.0
* @property rls_tmpl
*/
/**
* Configure the instance to use a remote loader service instead of
* the client loader.
*
* @since 3.2.0
* @property use_rls
*/
YUI.add('yui-base', function(Y) {
/*
* YUI stub
* @module yui
* @submodule yui-base
*/
/**
* The YUI module contains the components required for building the YUI
* seed file. This includes the script loading mechanism, a simple queue,
* and the core utilities for the library.
* @module yui
* @submodule yui-base
*/
/**
* Provides core language utilites and extensions used throughout YUI.
*
* @class Lang
* @static
*/
var L = Y.Lang || (Y.Lang = {}),
STRING_PROTO = String.prototype,
TOSTRING = Object.prototype.toString,
TYPES = {
'undefined' : 'undefined',
'number' : 'number',
'boolean' : 'boolean',
'string' : 'string',
'[object Function]': 'function',
'[object RegExp]' : 'regexp',
'[object Array]' : 'array',
'[object Date]' : 'date',
'[object Error]' : 'error'
},
SUBREGEX = /\{\s*([^|}]+?)\s*(?:\|([^}]*))?\s*\}/g,
TRIMREGEX = /^\s+|\s+$/g,
// If either MooTools or Prototype is on the page, then there's a chance that we
// can't trust "native" language features to actually be native. When this is
// the case, we take the safe route and fall back to our own non-native
// implementation.
win = Y.config.win,
unsafeNatives = win && !!(win.MooTools || win.Prototype);
/**
* Determines whether or not the provided item is an array.
*
* Returns `false` for array-like collections such as the function `arguments`
* collection or `HTMLElement` collections. Use `Y.Array.test()` if you want to
* test for an array-like collection.
*
* @method isArray
* @param o The object to test.
* @return {boolean} true if o is an array.
* @static
*/
L.isArray = (!unsafeNatives && Array.isArray) || function (o) {
return L.type(o) === 'array';
};
/**
* Determines whether or not the provided item is a boolean.
* @method isBoolean
* @static
* @param o The object to test.
* @return {boolean} true if o is a boolean.
*/
L.isBoolean = function(o) {
return typeof o === 'boolean';
};
/**
* <p>
* Determines whether or not the provided item is a function.
* Note: Internet Explorer thinks certain functions are objects:
* </p>
*
* <pre>
* var obj = document.createElement("object");
* Y.Lang.isFunction(obj.getAttribute) // reports false in IE
* &nbsp;
* var input = document.createElement("input"); // append to body
* Y.Lang.isFunction(input.focus) // reports false in IE
* </pre>
*
* <p>
* You will have to implement additional tests if these functions
* matter to you.
* </p>
*
* @method isFunction
* @static
* @param o The object to test.
* @return {boolean} true if o is a function.
*/
L.isFunction = function(o) {
return L.type(o) === 'function';
};
/**
* Determines whether or not the supplied item is a date instance.
* @method isDate
* @static
* @param o The object to test.
* @return {boolean} true if o is a date.
*/
L.isDate = function(o) {
return L.type(o) === 'date' && o.toString() !== 'Invalid Date' && !isNaN(o);
};
/**
* Determines whether or not the provided item is null.
* @method isNull
* @static
* @param o The object to test.
* @return {boolean} true if o is null.
*/
L.isNull = function(o) {
return o === null;
};
/**
* Determines whether or not the provided item is a legal number.
* @method isNumber
* @static
* @param o The object to test.
* @return {boolean} true if o is a number.
*/
L.isNumber = function(o) {
return typeof o === 'number' && isFinite(o);
};
/**
* Determines whether or not the provided item is of type object
* or function. Note that arrays are also objects, so
* <code>Y.Lang.isObject([]) === true</code>.
* @method isObject
* @static
* @param o The object to test.
* @param failfn {boolean} fail if the input is a function.
* @return {boolean} true if o is an object.
*/
L.isObject = function(o, failfn) {
var t = typeof o;
return (o && (t === 'object' ||
(!failfn && (t === 'function' || L.isFunction(o))))) || false;
};
/**
* Determines whether or not the provided item is a string.
* @method isString
* @static
* @param o The object to test.
* @return {boolean} true if o is a string.
*/
L.isString = function(o) {
return typeof o === 'string';
};
/**
* Determines whether or not the provided item is undefined.
* @method isUndefined
* @static
* @param o The object to test.
* @return {boolean} true if o is undefined.
*/
L.isUndefined = function(o) {
return typeof o === 'undefined';
};
/**
* Returns a string without any leading or trailing whitespace. If
* the input is not a string, the input will be returned untouched.
* @method trim
* @static
* @param s {string} the string to trim.
* @return {string} the trimmed string.
*/
L.trim = STRING_PROTO.trim ? function(s) {
return s && s.trim ? s.trim() : s;
} : function (s) {
try {
return s.replace(TRIMREGEX, '');
} catch (e) {
return s;
}
};
/**
* Returns a string without any leading whitespace.
* @method trimLeft
* @static
* @param s {string} the string to trim.
* @return {string} the trimmed string.
*/
L.trimLeft = STRING_PROTO.trimLeft ? function (s) {
return s.trimLeft();
} : function (s) {
return s.replace(/^\s+/, '');
};
/**
* Returns a string without any trailing whitespace.
* @method trimRight
* @static
* @param s {string} the string to trim.
* @return {string} the trimmed string.
*/
L.trimRight = STRING_PROTO.trimRight ? function (s) {
return s.trimRight();
} : function (s) {
return s.replace(/\s+$/, '');
};
/**
* A convenience method for detecting a legitimate non-null value.
* Returns false for null/undefined/NaN, true for other values,
* including 0/false/''
* @method isValue
* @static
* @param o The item to test.
* @return {boolean} true if it is not null/undefined/NaN || false.
*/
L.isValue = function(o) {
var t = L.type(o);
switch (t) {
case 'number':
return isFinite(o);
case 'null': // fallthru
case 'undefined':
return false;
default:
return !!t;
}
};
/**
* <p>
* Returns a string representing the type of the item passed in.
* </p>
*
* <p>
* Known issues:
* </p>
*
* <ul>
* <li>
* <code>typeof HTMLElementCollection</code> returns function in Safari, but
* <code>Y.type()</code> reports object, which could be a good thing --
* but it actually caused the logic in <code>Y.Lang.isObject</code> to fail.
* </li>
* </ul>
*
* @method type
* @param o the item to test.
* @return {string} the detected type.
* @static
*/
L.type = function(o) {
return TYPES[typeof o] || TYPES[TOSTRING.call(o)] || (o ? 'object' : 'null');
};
/**
* Lightweight version of <code>Y.substitute</code>. Uses the same template
* structure as <code>Y.substitute</code>, but doesn't support recursion,
* auto-object coersion, or formats.
* @method sub
* @param {string} s String to be modified.
* @param {object} o Object containing replacement values.
* @return {string} the substitute result.
* @static
* @since 3.2.0
*/
L.sub = function(s, o) {
return s.replace ? s.replace(SUBREGEX, function (match, key) {
return L.isUndefined(o[key]) ? match : o[key];
}) : s;
};
/**
* Returns the current time in milliseconds.
*
* @method now
* @return {int} Current time in milliseconds.
* @since 3.3.0
*/
L.now = Date.now || function () {
return new Date().getTime();
};
/**
* The YUI module contains the components required for building the YUI seed
* file. This includes the script loading mechanism, a simple queue, and the
* core utilities for the library.
* @module yui
* @submodule yui-base
*/
var Lang = Y.Lang,
Native = Array.prototype,
hasOwn = Object.prototype.hasOwnProperty;
/**
* Adds utilities to the YUI instance for working with arrays. Additional array
* helpers can be found in the `collection` module.
*
* @class Array
*/
/**
* `Y.Array(thing)` returns an array created from _thing_. Depending on
* _thing_'s type, one of the following will happen:
*
* * Arrays are returned unmodified unless a non-zero _startIndex_ is
* specified.
* * Array-like collections (see `Array.test()`) are converted to arrays.
* * For everything else, a new array is created with _thing_ as the sole
* item.
*
* Note: elements that are also collections, such as `<form>` and `<select>`
* elements, are not automatically converted to arrays. To force a conversion,
* pass `true` as the value of the _force_ parameter.
*
* @method ()
* @param {mixed} thing The thing to arrayify.
* @param {int} [startIndex=0] If non-zero and _thing_ is an array or array-like
* collection, a subset of items starting at the specified index will be
* returned.
* @param {boolean} [force=false] If `true`, _thing_ will be treated as an
* array-like collection no matter what.
* @return {Array}
* @static
*/
function YArray(thing, startIndex, force) {
var len, result;
startIndex || (startIndex = 0);
if (force || YArray.test(thing)) {
// IE throws when trying to slice HTMLElement collections.
try {
return Native.slice.call(thing, startIndex);
} catch (ex) {
result = [];
for (len = thing.length; startIndex < len; ++startIndex) {
result.push(thing[startIndex]);
}
return result;
}
}
return [thing];
}
Y.Array = YArray;
/**
* Evaluates _obj_ to determine if it's an array, an array-like collection, or
* something else. This is useful when working with the function `arguments`
* collection and `HTMLElement` collections.
*
* Note: This implementation doesn't consider elements that are also
* collections, such as `<form>` and `<select>`, to be array-like.
*
* @method test
* @param {object} obj Object to test.
* @return {int} A number indicating the results of the test:
* * 0: Neither an array nor an array-like collection.
* * 1: Real array.
* * 2: Array-like collection.
* @static
*/
YArray.test = function (obj) {
var result = 0;
if (Lang.isArray(obj)) {
result = 1;
} else if (Lang.isObject(obj)) {
try {
// indexed, but no tagName (element) or alert (window),
// or functions without apply/call (Safari
// HTMLElementCollection bug).
if ('length' in obj && !obj.tagName && !obj.alert && !obj.apply) {
result = 2;
}
} catch (ex) {}
}
return result;
};
/**
* Dedupes an array of strings, returning an array that's guaranteed to contain
* only one copy of a given string.
*
* This method differs from `Y.Array.unique` in that it's optimized for use only
* with strings, whereas `unique` may be used with other types (but is slower).
* Using `dedupe` with non-string values may result in unexpected behavior.
*
* @method dedupe
* @param {String[]} array Array of strings to dedupe.
* @return {Array} Deduped copy of _array_.
* @static
* @since 3.4.0
*/
YArray.dedupe = function (array) {
var hash = {},
results = [],
i, item, len;
for (i = 0, len = array.length; i < len; ++i) {
item = array[i];
if (!hasOwn.call(hash, item)) {
hash[item] = 1;
results.push(item);
}
}
return results;
};
/**
* Executes the supplied function on each item in the array. This method wraps
* the native ES5 `Array.forEach()` method if available.
*
* @method each
* @param {Array} array Array to iterate.
* @param {Function} fn Function to execute on each item in the array.
* @param {mixed} fn.item Current array item.
* @param {Number} fn.index Current array index.
* @param {Array} fn.array Array being iterated.
* @param {Object} [thisObj] `this` object to use when calling _fn_.
* @return {YUI} The YUI instance.
* @chainable
* @static
*/
YArray.each = YArray.forEach = Native.forEach ? function (array, fn, thisObj) {
Native.forEach.call(array || [], fn, thisObj || Y);
return Y;
} : function (array, fn, thisObj) {
for (var i = 0, len = (array && array.length) || 0; i < len; ++i) {
if (i in array) {
fn.call(thisObj || Y, array[i], i, array);
}
}
return Y;
};
/**
* Alias for `each`.
*
* @method forEach
* @static
*/
/**
* Returns an object using the first array as keys and the second as values. If
* the second array is not provided, or if it doesn't contain the same number of
* values as the first array, then `true` will be used in place of the missing
* values.
*
* @example
*
* Y.Array.hash(['a', 'b', 'c'], ['foo', 'bar']);
* // => {a: 'foo', b: 'bar', c: true}
*
* @method hash
* @param {Array} keys Array to use as keys.
* @param {Array} [values] Array to use as values.
* @return {Object}
* @static
*/
YArray.hash = function (keys, values) {
var hash = {},
vlen = (values && values.length) || 0,
i, len;
for (i = 0, len = keys.length; i < len; ++i) {
if (i in keys) {
hash[keys[i]] = vlen > i && i in values ? values[i] : true;
}
}
return hash;
};
/**
* Returns the index of the first item in the array that's equal (using a strict
* equality check) to the specified _value_, or `-1` if the value isn't found.
*
* This method wraps the native ES5 `Array.indexOf()` method if available.
*
* @method indexOf
* @param {Array} array Array to search.
* @param {any} value Value to search for.
* @return {Number} Index of the item strictly equal to _value_, or `-1` if not
* found.
* @static
*/
YArray.indexOf = Native.indexOf ? function (array, value) {
// TODO: support fromIndex
return Native.indexOf.call(array, value);
} : function (array, value) {
for (var i = 0, len = array.length; i < len; ++i) {
if (array[i] === value) {
return i;
}
}
return -1;
};
/**
* Numeric sort convenience function.
*
* The native `Array.prototype.sort()` function converts values to strings and
* sorts them in lexicographic order, which is unsuitable for sorting numeric
* values. Provide `Y.Array.numericSort` as a custom sort function when you want
* to sort values in numeric order.
*
* @example
*
* [42, 23, 8, 16, 4, 15].sort(Y.Array.numericSort);
* // => [4, 8, 15, 16, 23, 42]
*
* @method numericSort
* @param {Number} a First value to compare.
* @param {Number} b Second value to compare.
* @return {Number} Difference between _a_ and _b_.
* @static
*/
YArray.numericSort = function (a, b) {
return a - b;
};
/**
* Executes the supplied function on each item in the array. Returning a truthy
* value from the function will stop the processing of remaining items.
*
* @method some
* @param {Array} array Array to iterate.
* @param {Function} fn Function to execute on each item.
* @param {mixed} fn.value Current array item.
* @param {Number} fn.index Current array index.
* @param {Array} fn.array Array being iterated.
* @param {Object} [thisObj] `this` object to use when calling _fn_.
* @return {Boolean} `true` if the function returns a truthy value on any of the
* items in the array; `false` otherwise.
* @static
*/
YArray.some = Native.some ? function (array, fn, thisObj) {
return Native.some.call(array, fn, thisObj);
} : function (array, fn, thisObj) {
for (var i = 0, len = array.length; i < len; ++i) {
if (i in array && fn.call(thisObj, array[i], i, array)) {
return true;
}
}
return false;
};
/**
* The YUI module contains the components required for building the YUI
* seed file. This includes the script loading mechanism, a simple queue,
* and the core utilities for the library.
* @module yui
* @submodule yui-base
*/
/**
* A simple FIFO queue. Items are added to the Queue with add(1..n items) and
* removed using next().
*
* @class Queue
* @constructor
* @param {MIXED} item* 0..n items to seed the queue.
*/
function Queue() {
this._init();
this.add.apply(this, arguments);
}
Queue.prototype = {
/**
* Initialize the queue
*
* @method _init
* @protected
*/
_init: function() {
/**
* The collection of enqueued items
*
* @property _q
* @type Array
* @protected
*/
this._q = [];
},
/**
* Get the next item in the queue. FIFO support
*
* @method next
* @return {MIXED} the next item in the queue.
*/
next: function() {
return this._q.shift();
},
/**
* Get the last in the queue. LIFO support.
*
* @method last
* @return {MIXED} the last item in the queue.
*/
last: function() {
return this._q.pop();
},
/**
* Add 0..n items to the end of the queue.
*
* @method add
* @param {MIXED} item* 0..n items.
* @return {object} this queue.
*/
add: function() {
this._q.push.apply(this._q, arguments);
return this;
},
/**
* Returns the current number of queued items.
*
* @method size
* @return {Number} The size.
*/
size: function() {
return this._q.length;
}
};
Y.Queue = Queue;
YUI.Env._loaderQueue = YUI.Env._loaderQueue || new Queue();
/**
* The YUI module contains the components required for building the YUI
* seed file. This includes the script loading mechanism, a simple queue,
* and the core utilities for the library.
* @module yui
* @submodule yui-base
*/
var CACHED_DELIMITER = '__',
hasOwn = Object.prototype.hasOwnProperty,
isObject = Y.Lang.isObject;
/**
* Returns a new object containing all of the properties of
* all the supplied objects. The properties from later objects
* will overwrite those in earlier objects. Passing in a
* single object will create a shallow copy of it. For a deep
* copy, use clone.
* @method merge
* @for YUI
* @param arguments {Object*} the objects to merge.
* @return {object} the new merged object.
*/
Y.merge = function() {
var a = arguments, o = {}, i, l = a.length;
for (i = 0; i < l; i = i + 1) {
Y.mix(o, a[i], true);
}
return o;
};
/**
* Mixes _supplier_'s properties into _receiver_. Properties will not be
* overwritten or merged unless the _overwrite_ or _merge_ parameters are
* `true`, respectively.
*
* In the default mode (0), only properties the supplier owns are copied
* (prototype properties are not copied). The following copying modes are
* available:
*
* * `0`: _Default_. Object to object.
* * `1`: Prototype to prototype.
* * `2`: Prototype to prototype and object to object.
* * `3`: Prototype to object.
* * `4`: Object to prototype.
*
* @method mix
* @param {Function|Object} receiver The object or function to receive the mixed
* properties.
* @param {Function|Object} supplier The object or function supplying the
* properties to be mixed.
* @param {Boolean} [overwrite=false] If `true`, properties that already exist
* on the receiver will be overwritten with properties from the supplier.
* @param {String[]} [whitelist] An array of property names to copy. If
* specified, only the whitelisted properties will be copied, and all others
* will be ignored.
* @param {Int} [mode=0] Mix mode to use. See above for available modes.
* @param {Boolean} [merge=false] If `true`, objects and arrays that already
* exist on the receiver will have the corresponding object/array from the
* supplier merged into them, rather than being skipped or overwritten. When
* both _overwrite_ and _merge_ are `true`, _merge_ takes precedence.
* @return {Function|Object|YUI} The receiver, or the YUI instance if the
* specified receiver is falsy.
*/
Y.mix = function(receiver, supplier, overwrite, whitelist, mode, merge) {
var alwaysOverwrite, exists, from, i, key, len, to;
// If no supplier is given, we return the receiver. If no receiver is given,
// we return Y. Returning Y doesn't make much sense to me, but it's
// grandfathered in for backcompat reasons.
if (!receiver || !supplier) {
return receiver || Y;
}
if (mode) {
// In mode 2 (prototype to prototype and object to object), we recurse
// once to do the proto to proto mix. The object to object mix will be
// handled later on.
if (mode === 2) {
Y.mix(receiver.prototype, supplier.prototype, overwrite,
whitelist, 0, merge);
}
// Depending on which mode is specified, we may be copying from or to
// the prototypes of the supplier and receiver.
from = mode === 1 || mode === 3 ? supplier.prototype : supplier;
to = mode === 1 || mode === 4 ? receiver.prototype : receiver;
// If either the supplier or receiver doesn't actually have a
// prototype property, then we could end up with an undefined `from`
// or `to`. If that happens, we abort and return the receiver.
if (!from || !to) {
return receiver;
}
} else {
from = supplier;
to = receiver;
}
// If `overwrite` is truthy and `merge` is falsy, then we can skip a call
// to `hasOwnProperty` on each iteration and save some time.
alwaysOverwrite = overwrite && !merge;
if (whitelist) {
for (i = 0, len = whitelist.length; i < len; ++i) {
key = whitelist[i];
// We call `Object.prototype.hasOwnProperty` instead of calling
// `hasOwnProperty` on the object itself, since the object's
// `hasOwnProperty` method may have been overridden or removed.
// Also, some native objects don't implement a `hasOwnProperty`
// method.
if (!hasOwn.call(from, key)) {
continue;
}
exists = alwaysOverwrite ? false : hasOwn.call(to, key);
if (merge && exists && isObject(to[key], true)
&& isObject(from[key], true)) {
// If we're in merge mode, and the key is present on both
// objects, and the value on both objects is either an object or
// an array (but not a function), then we recurse to merge the
// `from` value into the `to` value instead of overwriting it.
//
// Note: It's intentional that the whitelist isn't passed to the
// recursive call here. This is legacy behavior that lots of
// code still depends on.
Y.mix(to[key], from[key], overwrite, null, 0, merge);
} else if (overwrite || !exists) {
// We're not in merge mode, so we'll only copy the `from` value
// to the `to` value if we're in overwrite mode or if the
// current key doesn't exist on the `to` object.
to[key] = from[key];
}
}
} else {
for (key in from) {
// The code duplication here is for runtime performance reasons.
// Combining whitelist and non-whitelist operations into a single
// loop or breaking the shared logic out into a function both result
// in worse performance, and Y.mix is critical enough that the byte
// tradeoff is worth it.
if (!hasOwn.call(from, key)) {
continue;
}
exists = alwaysOverwrite ? false : hasOwn.call(to, key);
if (merge && exists && isObject(to[key], true)
&& isObject(from[key], true)) {
Y.mix(to[key], from[key], overwrite, null, 0, merge);
} else if (overwrite || !exists) {
to[key] = from[key];
}
}
// If this is an IE browser with the JScript enumeration bug, force
// enumeration of the buggy properties by making a recursive call with
// the buggy properties as the whitelist.
if (Y.Object._hasEnumBug) {
Y.mix(to, from, overwrite, Y.Object._forceEnum, mode, merge);
}
}
return receiver;
};
/**
* Returns a wrapper for a function which caches the
* return value of that function, keyed off of the combined
* argument values.
* @method cached
* @param source {function} the function to memoize.
* @param cache an optional cache seed.
* @param refetch if supplied, this value is tested against the cached
* value. If the values are equal, the wrapped function is executed again.
* @return {Function} the wrapped function.
*/
Y.cached = function(source, cache, refetch) {
cache = cache || {};
return function(arg1) {
var k = (arguments.length > 1) ?
Array.prototype.join.call(arguments, CACHED_DELIMITER) : arg1;
if (!(k in cache) || (refetch && cache[k] == refetch)) {
cache[k] = source.apply(source, arguments);
}
return cache[k];
};
};
/**
* The YUI module contains the components required for building the YUI
* seed file. This includes the script loading mechanism, a simple queue,
* and the core utilities for the library.
* @module yui
* @submodule yui-base
*/
/**
* Adds utilities to the YUI instance for working with objects.
*
* @class Object
*/
var hasOwn = Object.prototype.hasOwnProperty,
// If either MooTools or Prototype is on the page, then there's a chance that we
// can't trust "native" language features to actually be native. When this is
// the case, we take the safe route and fall back to our own non-native
// implementations.
win = Y.config.win,
unsafeNatives = win && !!(win.MooTools || win.Prototype),
UNDEFINED, // <-- Note the comma. We're still declaring vars.
/**
* Returns a new object that uses _obj_ as its prototype. This method wraps the
* native ES5 `Object.create()` method if available, but doesn't currently
* pass through `Object.create()`'s second argument (properties) in order to
* ensure compatibility with older browsers.
*
* @method ()
* @param {Object} obj Prototype object.
* @return {Object} New object using _obj_ as its prototype.
* @static
*/
O = Y.Object = (!unsafeNatives && Object.create) ? function (obj) {
// We currently wrap the native Object.create instead of simply aliasing it
// to ensure consistency with our fallback shim, which currently doesn't
// support Object.create()'s second argument (properties). Once we have a
// safe fallback for the properties arg, we can stop wrapping
// Object.create().
return Object.create(obj);
} : (function () {
// Reusable constructor function for the Object.create() shim.
function F() {}
// The actual shim.
return function (obj) {
F.prototype = obj;
return new F();
};
}()),
/**
* Property names that IE doesn't enumerate in for..in loops, even when they
* should be enumerable. When `_hasEnumBug` is `true`, it's necessary to
* manually enumerate these properties.
*
* @property _forceEnum
* @type String[]
* @protected
* @static
*/
forceEnum = O._forceEnum = [
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'toString',
'toLocaleString',
'valueOf'
],
/**
* `true` if this browser has the JScript enumeration bug that prevents
* enumeration of the properties named in the `_forceEnum` array, `false`
* otherwise.
*
* See:
* - <https://developer.mozilla.org/en/ECMAScript_DontEnum_attribute#JScript_DontEnum_Bug>
* - <http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation>
*
* @property _hasEnumBug
* @type {Boolean}
* @protected
* @static
*/
hasEnumBug = O._hasEnumBug = !{valueOf: 0}.propertyIsEnumerable('valueOf'),
/**
* Returns `true` if _key_ exists on _obj_, `false` if _key_ doesn't exist or
* exists only on _obj_'s prototype. This is essentially a safer version of
* `obj.hasOwnProperty()`.
*
* @method owns
* @param {Object} obj Object to test.
* @param {String} key Property name to look for.
* @return {Boolean} `true` if _key_ exists on _obj_, `false` otherwise.
* @static
*/
owns = O.owns = function (obj, key) {
return !!obj && hasOwn.call(obj, key);
}; // <-- End of var declarations.
/**
* Alias for `owns()`.
*
* @method hasKey
* @param {Object} obj Object to test.
* @param {String} key Property name to look for.
* @return {Boolean} `true` if _key_ exists on _obj_, `false` otherwise.
* @static
*/
O.hasKey = owns;
/**
* Returns an array containing the object's enumerable keys. Does not include
* prototype keys or non-enumerable keys.
*
* Note that keys are returned in enumeration order (that is, in the same order
* that they would be enumerated by a `for-in` loop), which may not be the same
* as the order in which they were defined.
*
* This method is an alias for the native ES5 `Object.keys()` method if
* available.
*
* @example
*
* Y.Object.keys({a: 'foo', b: 'bar', c: 'baz'});
* // => ['a', 'b', 'c']
*
* @method keys
* @param {Object} obj An object.
* @return {String[]} Array of keys.
* @static
*/
O.keys = (!unsafeNatives && Object.keys) || function (obj) {
if (!Y.Lang.isObject(obj)) {
throw new TypeError('Object.keys called on a non-object');
}
var keys = [],
i, key, len;
for (key in obj) {
if (owns(obj, key)) {
keys.push(key);
}
}
if (hasEnumBug) {
for (i = 0, len = forceEnum.length; i < len; ++i) {
key = forceEnum[i];
if (owns(obj, key)) {
keys.push(key);
}
}
}
return keys;
};
/**
* Returns an array containing the values of the object's enumerable keys.
*
* Note that values are returned in enumeration order (that is, in the same
* order that they would be enumerated by a `for-in` loop), which may not be the
* same as the order in which they were defined.
*
* @example
*
* Y.Object.values({a: 'foo', b: 'bar', c: 'baz'});
* // => ['foo', 'bar', 'baz']
*
* @method values
* @param {Object} obj An object.
* @return {Array} Array of values.
* @static
*/
O.values = function (obj) {
var keys = O.keys(obj),
i = 0,
len = keys.length,
values = [];
for (; i < len; ++i) {
values.push(obj[keys[i]]);
}
return values;
};
/**
* Returns the number of enumerable keys owned by an object.
*
* @method size
* @param {Object} obj An object.
* @return {Number} The object's size.
* @static
*/
O.size = function (obj) {
return O.keys(obj).length;
};
/**
* Returns `true` if the object owns an enumerable property with the specified
* value.
*
* @method hasValue
* @param {Object} obj An object.
* @param {any} value The value to search for.
* @return {Boolean} `true` if _obj_ contains _value_, `false` otherwise.
* @static
*/
O.hasValue = function (obj, value) {
return Y.Array.indexOf(O.values(obj), value) > -1;
};
/**
* Executes a function on each enumerable property in _obj_. The function
* receives the value, the key, and the object itself as parameters (in that
* order).
*
* By default, only properties owned by _obj_ are enumerated. To include
* prototype properties, set the _proto_ parameter to `true`.
*
* @method each
* @param {Object} obj Object to enumerate.
* @param {Function} fn Function to execute on each enumerable property.
* @param {mixed} fn.value Value of the current property.
* @param {String} fn.key Key of the current property.
* @param {Object} fn.obj Object being enumerated.
* @param {Object} [thisObj] `this` object to use when calling _fn_.
* @param {Boolean} [proto=false] Include prototype properties.
* @return {YUI} the YUI instance.
* @chainable
* @static
*/
O.each = function (obj, fn, thisObj, proto) {
var key;
for (key in obj) {
if (proto || owns(obj, key)) {
fn.call(thisObj || Y, obj[key], key, obj);
}
}
return Y;
};
/**
* Executes a function on each enumerable property in _obj_, but halts if the
* function returns a truthy value. The function receives the value, the key,
* and the object itself as paramters (in that order).
*
* By default, only properties owned by _obj_ are enumerated. To include
* prototype properties, set the _proto_ parameter to `true`.
*
* @method some
* @param {Object} obj Object to enumerate.
* @param {Function} fn Function to execute on each enumerable property.
* @param {mixed} fn.value Value of the current property.
* @param {String} fn.key Key of the current property.
* @param {Object} fn.obj Object being enumerated.
* @param {Object} [thisObj] `this` object to use when calling _fn_.
* @param {Boolean} [proto=false] Include prototype properties.
* @return {Boolean} `true` if any execution of _fn_ returns a truthy value,
* `false` otherwise.
* @static
*/
O.some = function (obj, fn, thisObj, proto) {
var key;
for (key in obj) {
if (proto || owns(obj, key)) {
if (fn.call(thisObj || Y, obj[key], key, obj)) {
return true;
}
}
}
return false;
};
/**
* Retrieves the sub value at the provided path,
* from the value object provided.
*
* @method getValue
* @static
* @param o The object from which to extract the property value.
* @param path {Array} A path array, specifying the object traversal path
* from which to obtain the sub value.
* @return {Any} The value stored in the path, undefined if not found,
* undefined if the source is not an object. Returns the source object
* if an empty path is provided.
*/
O.getValue = function(o, path) {
if (!Y.Lang.isObject(o)) {
return UNDEFINED;
}
var i,
p = Y.Array(path),
l = p.length;
for (i = 0; o !== UNDEFINED && i < l; i++) {
o = o[p[i]];
}
return o;
};
/**
* Sets the sub-attribute value at the provided path on the
* value object. Returns the modified value object, or
* undefined if the path is invalid.
*
* @method setValue
* @static
* @param o The object on which to set the sub value.
* @param path {Array} A path array, specifying the object traversal path
* at which to set the sub value.
* @param val {Any} The new value for the sub-attribute.
* @return {Object} The modified object, with the new sub value set, or
* undefined, if the path was invalid.
*/
O.setValue = function(o, path, val) {
var i,
p = Y.Array(path),
leafIdx = p.length - 1,
ref = o;
if (leafIdx >= 0) {
for (i = 0; ref !== UNDEFINED && i < leafIdx; i++) {
ref = ref[p[i]];
}
if (ref !== UNDEFINED) {
ref[p[i]] = val;
} else {
return UNDEFINED;
}
}
return o;
};
/**
* Returns `true` if the object has no enumerable properties of its own.
*
* @method isEmpty
* @param {Object} obj An object.
* @return {Boolean} `true` if the object is empty.
* @static
* @since 3.2.0
*/
O.isEmpty = function (obj) {
return !O.keys(obj).length;
};
/**
* The YUI module contains the components required for building the YUI seed
* file. This includes the script loading mechanism, a simple queue, and the
* core utilities for the library.
* @module yui
* @submodule yui-base
*/
/**
* YUI user agent detection.
* Do not fork for a browser if it can be avoided. Use feature detection when
* you can. Use the user agent as a last resort. For all fields listed
* as @type float, UA stores a version number for the browser engine,
* 0 otherwise. This value may or may not map to the version number of
* the browser using the engine. The value is presented as a float so
* that it can easily be used for boolean evaluation as well as for
* looking for a particular range of versions. Because of this,
* some of the granularity of the version info may be lost. The fields that
* are @type string default to null. The API docs list the values that
* these fields can have.
* @class UA
* @static
*/
/**
* Static method for parsing the UA string. Defaults to assigning it's value to Y.UA
* @static
* @method Env.parseUA
* @param {String} subUA Parse this UA string instead of navigator.userAgent
* @returns {Object} The Y.UA object
*/
YUI.Env.parseUA = function(subUA) {
var numberify = function(s) {
var c = 0;
return parseFloat(s.replace(/\./g, function() {
return (c++ == 1) ? '' : '.';
}));
},
win = Y.config.win,
nav = win && win.navigator,
o = {
/**
* Internet Explorer version number or 0. Example: 6
* @property ie
* @type float
* @static
*/
ie: 0,
/**
* Opera version number or 0. Example: 9.2
* @property opera
* @type float
* @static
*/
opera: 0,
/**
* Gecko engine revision number. Will evaluate to 1 if Gecko
* is detected but the revision could not be found. Other browsers
* will be 0. Example: 1.8
* <pre>
* Firefox 1.0.0.4: 1.7.8 <-- Reports 1.7
* Firefox 1.5.0.9: 1.8.0.9 <-- 1.8
* Firefox 2.0.0.3: 1.8.1.3 <-- 1.81
* Firefox 3.0 <-- 1.9
* Firefox 3.5 <-- 1.91
* </pre>
* @property gecko
* @type float
* @static
*/
gecko: 0,
/**
* AppleWebKit version. KHTML browsers that are not WebKit browsers
* will evaluate to 1, other browsers 0. Example: 418.9
* <pre>
* Safari 1.3.2 (312.6): 312.8.1 <-- Reports 312.8 -- currently the
* latest available for Mac OSX 10.3.
* Safari 2.0.2: 416 <-- hasOwnProperty introduced
* Safari 2.0.4: 418 <-- preventDefault fixed
* Safari 2.0.4 (419.3): 418.9.1 <-- One version of Safari may run
* different versions of webkit
* Safari 2.0.4 (419.3): 419 <-- Tiger installations that have been
* updated, but not updated
* to the latest patch.
* Webkit 212 nightly: 522+ <-- Safari 3.0 precursor (with native
* SVG and many major issues fixed).
* Safari 3.0.4 (523.12) 523.12 <-- First Tiger release - automatic
* update from 2.x via the 10.4.11 OS patch.
* Webkit nightly 1/2008:525+ <-- Supports DOMContentLoaded event.
* yahoo.com user agent hack removed.
* </pre>
* http://en.wikipedia.org/wiki/Safari_version_history
* @property webkit
* @type float
* @static
*/
webkit: 0,
/**
* Safari will be detected as webkit, but this property will also
* be populated with the Safari version number
* @property safari
* @type float
* @static
*/
safari: 0,
/**
* Chrome will be detected as webkit, but this property will also
* be populated with the Chrome version number
* @property chrome
* @type float
* @static
*/
chrome: 0,
/**
* The mobile property will be set to a string containing any relevant
* user agent information when a modern mobile browser is detected.
* Currently limited to Safari on the iPhone/iPod Touch, Nokia N-series
* devices with the WebKit-based browser, and Opera Mini.
* @property mobile
* @type string
* @default null
* @static
*/
mobile: null,
/**
* Adobe AIR version number or 0. Only populated if webkit is detected.
* Example: 1.0
* @property air
* @type float
*/
air: 0,
/**
* Detects Apple iPad's OS version
* @property ipad
* @type float
* @static
*/
ipad: 0,
/**
* Detects Apple iPhone's OS version
* @property iphone
* @type float
* @static
*/
iphone: 0,
/**
* Detects Apples iPod's OS version
* @property ipod
* @type float
* @static
*/
ipod: 0,
/**
* General truthy check for iPad, iPhone or iPod
* @property ios
* @type float
* @default null
* @static
*/
ios: null,
/**
* Detects Googles Android OS version
* @property android
* @type float
* @static
*/
android: 0,
/**
* Detects Palms WebOS version
* @property webos
* @type float
* @static
*/
webos: 0,
/**
* Google Caja version number or 0.
* @property caja
* @type float
*/
caja: nav && nav.cajaVersion,
/**
* Set to true if the page appears to be in SSL
* @property secure
* @type boolean
* @static
*/
secure: false,
/**
* The operating system. Currently only detecting windows or macintosh
* @property os
* @type string
* @default null
* @static
*/
os: null
},
ua = subUA || nav && nav.userAgent,
loc = win && win.location,
href = loc && loc.href,
m;
o.secure = href && (href.toLowerCase().indexOf('https') === 0);
if (ua) {
if ((/windows|win32/i).test(ua)) {
o.os = 'windows';
} else if ((/macintosh/i).test(ua)) {
o.os = 'macintosh';
} else if ((/rhino/i).test(ua)) {
o.os = 'rhino';
}
// Modern KHTML browsers should qualify as Safari X-Grade
if ((/KHTML/).test(ua)) {
o.webkit = 1;
}
// Modern WebKit browsers are at least X-Grade
m = ua.match(/AppleWebKit\/([^\s]*)/);
if (m && m[1]) {
o.webkit = numberify(m[1]);
o.safari = o.webkit;
// Mobile browser check
if (/ Mobile\//.test(ua)) {
o.mobile = 'Apple'; // iPhone or iPod Touch
m = ua.match(/OS ([^\s]*)/);
if (m && m[1]) {
m = numberify(m[1].replace('_', '.'));
}
o.ios = m;
o.ipad = o.ipod = o.iphone = 0;
m = ua.match(/iPad|iPod|iPhone/);
if (m && m[0]) {
o[m[0].toLowerCase()] = o.ios;
}
} else {
m = ua.match(/NokiaN[^\/]*|webOS\/\d\.\d/);
if (m) {
// Nokia N-series, webOS, ex: NokiaN95
o.mobile = m[0];
}
if (/webOS/.test(ua)) {
o.mobile = 'WebOS';
m = ua.match(/webOS\/([^\s]*);/);
if (m && m[1]) {
o.webos = numberify(m[1]);
}
}
if (/ Android/.test(ua)) {
if (/Mobile/.test(ua)) {
o.mobile = 'Android';
}
m = ua.match(/Android ([^\s]*);/);
if (m && m[1]) {
o.android = numberify(m[1]);
}
}
}
m = ua.match(/Chrome\/([^\s]*)/);
if (m && m[1]) {
o.chrome = numberify(m[1]); // Chrome
o.safari = 0; //Reset safari back to 0
} else {
m = ua.match(/AdobeAIR\/([^\s]*)/);
if (m) {
o.air = m[0]; // Adobe AIR 1.0 or better
}
}
}
if (!o.webkit) { // not webkit
// @todo check Opera/8.01 (J2ME/MIDP; Opera Mini/2.0.4509/1316; fi; U; ssr)
m = ua.match(/Opera[\s\/]([^\s]*)/);
if (m && m[1]) {
o.opera = numberify(m[1]);
m = ua.match(/Version\/([^\s]*)/);
if (m && m[1]) {
o.opera = numberify(m[1]); // opera 10+
}
m = ua.match(/Opera Mini[^;]*/);
if (m) {
o.mobile = m[0]; // ex: Opera Mini/2.0.4509/1316
}
} else { // not opera or webkit
m = ua.match(/MSIE\s([^;]*)/);
if (m && m[1]) {
o.ie = numberify(m[1]);
} else { // not opera, webkit, or ie
m = ua.match(/Gecko\/([^\s]*)/);
if (m) {
o.gecko = 1; // Gecko detected, look for revision
m = ua.match(/rv:([^\s\)]*)/);
if (m && m[1]) {
o.gecko = numberify(m[1]);
}
}
}
}
}
}
YUI.Env.UA = o;
return o;
};
Y.UA = YUI.Env.UA || YUI.Env.parseUA();
var feature_tests = {};
Y.mix(Y.namespace('Features'), {
tests: feature_tests,
add: function(cat, name, o) {
feature_tests[cat] = feature_tests[cat] || {};
feature_tests[cat][name] = o;
},
all: function(cat, args) {
var cat_o = feature_tests[cat],
// results = {};
result = [];
if (cat_o) {
Y.Object.each(cat_o, function(v, k) {
result.push(k + ':' + (Y.Features.test(cat, k, args) ? 1 : 0));
});
}
return (result.length) ? result.join(';') : '';
},
test: function(cat, name, args) {
args = args || [];
var result, ua, test,
cat_o = feature_tests[cat],
feature = cat_o && cat_o[name];
if (!feature) {
} else {
result = feature.result;
if (Y.Lang.isUndefined(result)) {
ua = feature.ua;
if (ua) {
result = (Y.UA[ua]);
}
test = feature.test;
if (test && ((!ua) || result)) {
result = test.apply(Y, args);
}
feature.result = result;
}
}
return result;
}
});
// Y.Features.add("load", "1", {});
// Y.Features.test("load", "1");
// caps=1:1;2:0;3:1;
YUI.Env.aliases = YUI.Env.aliases || {};
YUI.Env.aliases["anim"] = ["anim-base","anim-color","anim-curve","anim-easing","anim-node-plugin","anim-scroll","anim-xy"];
YUI.Env.aliases["app"] = ["controller","model","model-list","view"];
YUI.Env.aliases["attribute"] = ["attribute-base","attribute-complex"];
YUI.Env.aliases["autocomplete"] = ["autocomplete-base","autocomplete-sources","autocomplete-list","autocomplete-plugin"];
YUI.Env.aliases["base"] = ["base-base","base-pluginhost","base-build"];
YUI.Env.aliases["cache"] = ["cache-base","cache-offline","cache-plugin"];
YUI.Env.aliases["collection"] = ["array-extras","arraylist","arraylist-add","arraylist-filter","array-invoke"];
YUI.Env.aliases["dataschema"] = ["dataschema-base","dataschema-json","dataschema-xml","dataschema-array","dataschema-text"];
YUI.Env.aliases["datasource"] = ["datasource-local","datasource-io","datasource-get","datasource-function","datasource-cache","datasource-jsonschema","datasource-xmlschema","datasource-arrayschema","datasource-textschema","datasource-polling"];
YUI.Env.aliases["datatable"] = ["datatable-base","datatable-datasource","datatable-sort","datatable-scroll"];
YUI.Env.aliases["datatype"] = ["datatype-number","datatype-date","datatype-xml"];
YUI.Env.aliases["datatype-number"] = ["datatype-number-parse","datatype-number-format"];
YUI.Env.aliases["datatype-xml"] = ["datatype-xml-parse","datatype-xml-format"];
YUI.Env.aliases["dd"] = ["dd-ddm-base","dd-ddm","dd-ddm-drop","dd-drag","dd-proxy","dd-constrain","dd-drop","dd-scroll","dd-delegate"];
YUI.Env.aliases["dom"] = ["dom-core","dom-base","dom-attrs","dom-create","dom-class","dom-size","dom-screen","dom-style","selector-native","selector"];
YUI.Env.aliases["editor"] = ["frame","selection","exec-command","editor-base","editor-para","editor-br","editor-bidi","editor-tab","createlink-base"];
YUI.Env.aliases["event"] = ["event-base","event-delegate","event-synthetic","event-mousewheel","event-mouseenter","event-key","event-focus","event-resize","event-hover"];
YUI.Env.aliases["event-custom"] = ["event-custom-base","event-custom-complex"];
YUI.Env.aliases["event-gestures"] = ["event-flick","event-move"];
YUI.Env.aliases["highlight"] = ["highlight-base","highlight-accentfold"];
YUI.Env.aliases["history"] = ["history-base","history-hash","history-hash-ie","history-html5"];
YUI.Env.aliases["io"] = ["io-base","io-xdr","io-form","io-upload-iframe","io-queue"];
YUI.Env.aliases["json"] = ["json-parse","json-stringify"];
YUI.Env.aliases["loader"] = ["loader-base","loader-rollup","loader-yui3"];
YUI.Env.aliases["node"] = ["node-base","node-event-delegate","node-pluginhost","node-screen","node-style"];
YUI.Env.aliases["pluginhost"] = ["pluginhost-base","pluginhost-config"];
YUI.Env.aliases["querystring"] = ["querystring-parse","querystring-stringify"];
YUI.Env.aliases["recordset"] = ["recordset-base","recordset-sort","recordset-filter","recordset-indexer"];
YUI.Env.aliases["resize"] = ["resize-base","resize-proxy","resize-constrain"];
YUI.Env.aliases["slider"] = ["slider-base","slider-value-range","clickable-rail","range-slider"];
YUI.Env.aliases["text"] = ["text-accentfold","text-wordbreak"];
YUI.Env.aliases["transition"] = ["transition-native","transition-timer"];
YUI.Env.aliases["widget"] = ["widget-base","widget-htmlparser","widget-uievents","widget-skin"];
}, '@VERSION@' );