/**
* Change the state of one or more modules.
*
- * @param {string|Object} module module name or object of module name/state pairs
- * @param {string} state state name
+ * @param {string|Object} module Module name or object of module name/state pairs
+ * @param {string} state State name
*/
state: function ( module, state ) {
var m;
/**
* Get the state of a module.
*
- * @param {string} module name of module to get state for
+ * @param {string} module Name of module to get state for
*/
getState: function ( module ) {
if ( registry[module] !== undefined && registry[module].state !== undefined ) {
// Cache hit stats
stats: { hits: 0, misses: 0, expired: 0 },
- // Experiment data
- experiment: ( function () {
- var start = ( new Date() ).getTime(), id = 0, seed = 0;
-
- try {
- id = JSON.parse( localStorage.getItem( 'moduleStorageExperiment' ) );
- if ( typeof id !== 'number' ) {
- id = Math.floor( Math.random() * Math.random() * 1e16 );
- localStorage.setItem( 'moduleStorageExperiment', id );
- }
- seed = id % 2000;
- } catch ( e ) {}
-
- return {
- // Unique identifier for this browser. This allows us to group all
- // datapoints generated by a particular browser, which in turn allows us
- // to see how the initial load compares to subsequent page loads.
- id: id,
-
- // Group assignment may be 0 (not in experiment), 1 (control group), or 2
- // (experimental group). Browsers that don't implement all the prerequisite APIs
- // (JSON and Web Storage) are ineligible. Eligible browsers have a 0.1% chance
- // of being included in the experiment, in which case they are equally likely to
- // be assigned to either the experimental or control group.
- group: seed === 1 ? 1 : ( seed === 2 ? 2 : 0 ),
-
- // Assess module storage performance by measuring the time between this
- // reference point and the window load event.
- start: start
- };
- }() ),
-
/**
* Construct a JSON-serializable object representing the content of the store.
* @return {Object} Module store contents.
},
/**
- * Initialize the store by retrieving it from localStorage and (if successfully
- * retrieved) decoding the stored JSON value to a plain object.
+ * Initialize the store.
+ *
+ * Retrieves store from localStorage and (if successfully retrieved) decoding
+ * the stored JSON value to a plain object.
*
* The try / catch block is used for JSON & localStorage feature detection.
* See the in-line documentation for Modernizr's localStorage feature detection
- * code for a full account of why we need a try / catch: <http://git.io/4NEwKg>.
+ * code for a full account of why we need a try / catch:
+ * https://github.com/Modernizr/Modernizr/blob/v2.7.1/modernizr.js#L771-L796
*/
init: function () {
var raw, data;
if ( mw.loader.store.enabled !== null ) {
- // #init already ran.
+ // Init already ran
return;
}
- if (
- // We're in debug mode
- mw.config.get( 'debug' ) ||
- // Module storage is neither enabled by default, nor enabled for this user's group.
- !( mw.config.get( 'wgResourceLoaderStorageEnabled' ) || mw.loader.store.experiment.group === 2 )
- ) {
+ if ( !mw.config.get( 'wgResourceLoaderStorageEnabled' ) || mw.config.get( 'debug' ) ) {
+ // Disabled by configuration, or because debug mode is set
+ mw.loader.store.enabled = false;
return;
}
try {
raw = localStorage.getItem( mw.loader.store.getStoreKey() );
- // If we get here, localStorage is available; mark enabled.
+ // If we get here, localStorage is available; mark enabled
mw.loader.store.enabled = true;
data = JSON.parse( raw );
if ( data && typeof data.items === 'object' && data.vary === mw.loader.store.getVary() ) {
} catch (e) {}
if ( raw === undefined ) {
- mw.loader.store.enabled = false; // localStorage failed; disable store.
+ // localStorage failed; disable store
+ mw.loader.store.enabled = false;
} else {
mw.loader.store.update();
}
get: function ( module ) {
var key;
- if ( mw.loader.store.enabled !== true ) {
+ if ( !mw.loader.store.enabled ) {
return false;
}
set: function ( module, descriptor ) {
var args, key;
- if ( mw.loader.store.enabled !== true ) {
+ if ( !mw.loader.store.enabled ) {
return false;
}
key = mw.loader.store.getModuleKey( module );
- if ( key in mw.loader.store.items ) {
- // Already set; decline to store.
- return false;
- }
-
- if ( descriptor.state !== 'ready' ) {
- // Module failed to load; decline to store.
- return false;
- }
-
- if ( !descriptor.version || $.inArray( descriptor.group, [ 'private', 'user', 'site' ] ) !== -1 ) {
- // Unversioned, private, or site-/user-specific; decline to store.
- return false;
- }
-
- if ( $.inArray( undefined, [ descriptor.script, descriptor.style, descriptor.messages ] ) !== -1 ) {
- // Partial descriptor; decline to store.
+ if (
+ // Already stored a copy of this exact version
+ key in mw.loader.store.items ||
+ // Module failed to load
+ descriptor.state !== 'ready' ||
+ // Unversioned, private, or site-/user-specific
+ ( !descriptor.version || $.inArray( descriptor.group, [ 'private', 'user', 'site' ] ) !== -1 ) ||
+ // Partial descriptor
+ $.inArray( undefined, [ descriptor.script, descriptor.style, descriptor.messages ] ) !== -1
+ ) {
+ // Decline to store
return false;
}
args = [
JSON.stringify( module ),
typeof descriptor.script === 'function' ?
- String( descriptor.script ) : JSON.stringify( descriptor.script ),
+ String( descriptor.script ) :
+ JSON.stringify( descriptor.script ),
JSON.stringify( descriptor.style ),
JSON.stringify( descriptor.messages )
];
- } catch (e) {
+ } catch ( e ) {
return;
}
+
mw.loader.store.items[key] = 'mw.loader.implement(' + args.join(',') + ');';
mw.loader.store.update();
},
prune: function () {
var key, module;
- if ( mw.loader.store.enabled !== true ) {
+ if ( !mw.loader.store.enabled ) {
return false;
}
var timer;
function flush() {
- var data, key = mw.loader.store.getStoreKey();
- if ( mw.loader.store.enabled !== true ) {
+ var data,
+ key = mw.loader.store.getStoreKey();
+
+ if ( !mw.loader.store.enabled ) {
return false;
}
mw.loader.store.prune();
localStorage.removeItem( key );
data = JSON.stringify( mw.loader.store );
localStorage.setItem( key, data );
- } catch (e) {}
+ } catch ( e ) {}
}
return function () {
dépôts / lhc / web / wiklou.git / blobdiff