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/*
* JavaScript backwards-compatibility alternatives and other convenience functions
*
* @deprecated since 1.26 Dated collection of miscellaneous utilities. Methods are
* either trivially inline, obsolete, or have a better place elsewhere.
*/
( function ( $, mw ) {
$.each( {
trimLeft: function ( str ) {
return str === null ? '' : str.toString().replace( /^\s+/, '' );
},
trimRight: function ( str ) {
return str === null ?
'' : str.toString().replace( /\s+$/, '' );
},
ucFirst: function ( str ) {
return str.charAt( 0 ).toUpperCase() + str.slice( 1 );
},
isDomElement: function ( el ) {
return !!el && !!el.nodeType;
},
isEmpty: function ( v ) {
var key;
if (
v === '' || v === 0 || v === '0' || v === null || v === false || v === undefined
) {
return true;
}
// the for-loop could potentially contain prototypes
// to avoid that we check its length first
if ( v.length === 0 ) {
return true;
}
if ( typeof v === 'object' ) {
for ( key in v ) {
return false;
}
return true;
}
return false;
},
compareArray: function ( arrThis, arrAgainst ) {
if ( arrThis.length !== arrAgainst.length ) {
return false;
}
for ( var i = 0; i < arrThis.length; i++ ) {
if ( $.isArray( arrThis[ i ] ) ) {
if ( !$.compareArray( arrThis[ i ], arrAgainst[ i ] ) ) {
return false;
}
} else if ( arrThis[ i ] !== arrAgainst[ i ] ) {
return false;
}
}
return true;
},
compareObject: function ( objectA, objectB ) {
var prop, type;
// Do a simple check if the types match
if ( typeof objectA === typeof objectB ) {
// Only loop over the contents if it really is an object
if ( typeof objectA === 'object' ) {
// If they are aliases of the same object (ie. mw and mediaWiki) return now
if ( objectA === objectB ) {
return true;
} else {
// Iterate over each property
for ( prop in objectA ) {
// Check if this property is also present in the other object
if ( prop in objectB ) {
// Compare the types of the properties
type = typeof objectA[ prop ];
if ( type === typeof objectB[ prop ] ) {
// Recursively check objects inside this one
switch ( type ) {
case 'object' :
if ( !$.compareObject( objectA[ prop ], objectB[ prop ] ) ) {
return false;
}
break;
case 'function' :
// Functions need to be strings to compare them properly
if ( objectA[ prop ].toString() !== objectB[ prop ].toString() ) {
return false;
}
break;
default:
// Strings, numbers
if ( objectA[ prop ] !== objectB[ prop ] ) {
return false;
}
break;
}
} else {
return false;
}
} else {
return false;
}
}
// Check for properties in B but not in A
// This is about 15% faster (tested in Safari 5 and Firefox 3.6)
// ...than incrementing a count variable in the above and below loops
// See also: https://www.mediawiki.org/wiki/ResourceLoader/Default_modules/compareObject_test#Results
for ( prop in objectB ) {
if ( !( prop in objectA ) ) {
return false;
}
}
}
}
} else {
return false;
}
return true;
}
}, function ( key, value ) {
mw.log.deprecate( $, key, value );
} );
mw.log.deprecate( $, 'escapeRE', function ( str ) {
return str.replace( /([\\{}()|.?*+\-\^$\[\]])/g, '\\$1' );
}, 'Use mediawiki.RegExp instead.' );
} )( jQuery, mediaWiki );
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