Merge "Unroll array_map in ResourceLoaderFileModule::readStyleFiles"
[lhc/web/wiklou.git] / resources / mediawiki / mediawiki.inspect.js
index 0317737..e76141d 100644 (file)
                } );
        }
 
+       function humanSize( bytes ) {
+               if ( !$.isNumeric( bytes ) || bytes === 0 ) { return bytes; }
+               var i = 0, units = [ '', ' kB', ' MB', ' GB', ' TB', ' PB' ];
+               for ( ; bytes >= 1024; bytes /= 1024 ) { i++; }
+               return bytes.toFixed( 1 ) + units[i];
+       }
+
        /**
         * @class mw.inspect
         * @singleton
                 */
                auditSelectors: function ( css ) {
                        var selectors = { total: 0, matched: 0 },
-                               style = document.createElement( 'style' );
+                               style = document.createElement( 'style' ),
+                               sheet, rules;
 
                        style.textContent = css;
                        document.body.appendChild( style );
-                       $.each( style.sheet.cssRules, function ( index, rule ) {
+                       // Standards-compliant browsers use .sheet.cssRules, IE8 uses .styleSheet.rules…
+                       sheet = style.sheet || style.styleSheet;
+                       rules = sheet.cssRules || sheet.rules;
+                       $.each( rules, function ( index, rule ) {
                                selectors.total++;
                                if ( document.querySelector( rule.selectorText ) !== null ) {
                                        selectors.matched++;
                        try {
                                // Bartosz made me put this here.
                                if ( window.opera ) { throw window.opera; }
-                               console.table( data );
+                               // Use Function.prototype#call to force an exception on Firefox,
+                               // which doesn't define console#table but doesn't complain if you
+                               // try to invoke it.
+                               console.table.call( console, data );
                                return;
-                       } catch (e) {}
+                       } catch ( e ) {}
                        try {
-                               console.log( JSON.stringify( data, null, 2 ) );
+                               console.log( $.toJSON( data, null, 2 ) );
                                return;
-                       } catch (e) {}
+                       } catch ( e ) {}
                        mw.log( data );
                },
 
 
                                // Convert size to human-readable string.
                                $.each( modules, function ( i, module ) {
-                                       module.size = module.size > 1024 ?
-                                               ( module.size / 1024 ).toFixed( 2 ) + ' KB' :
-                                               ( module.size !== null ? module.size + ' B' : null );
+                                       module.size = humanSize( module.size );
                                } );
 
                                return modules;
 
                                        try {
                                                css = module.style.css.join();
-                                       } catch (e) { return; } // skip
+                                       } catch ( e ) { return; } // skip
 
                                        stats = inspect.auditSelectors( css );
                                        modules.push( {
                                } );
                                sortByProperty( modules, 'allSelectors', true );
                                return modules;
+                       },
+
+                       /**
+                        * Report stats on mw.loader.store: the number of localStorage
+                        * cache hits and misses, the number of items purged from the
+                        * cache, and the total size of the module blob in localStorage.
+                        */
+                       store: function () {
+                               var raw, stats = { enabled: mw.loader.store.enabled };
+                               if ( stats.enabled ) {
+                                       $.extend( stats, mw.loader.store.stats );
+                                       try {
+                                               raw = localStorage.getItem( mw.loader.store.getStoreKey() );
+                                               stats.totalSize = humanSize( $.byteLength( raw ) );
+                                       } catch ( e ) {}
+                               }
+                               return [stats];
                        }
                }
        };