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( function ( mw ) {
/**
* @class
* @singleton
*/
mw.rcfilters = {
dm: {},
ui: {},
utils: {
addArrayElementsUnique: function ( arr, elements ) {
elements = Array.isArray( elements ) ? elements : [ elements ];
elements.forEach( function ( element ) {
if ( arr.indexOf( element ) === -1 ) {
arr.push( element );
}
} );
return arr;
},
normalizeParamOptions: function ( givenOptions, legalOptions ) {
var result = [];
if ( givenOptions.indexOf( 'all' ) > -1 ) {
// If anywhere in the values there's 'all', we
// treat it as if only 'all' was selected.
// Example: param=valid1,valid2,all
// Result: param=all
return [ 'all' ];
}
// Get rid of any dupe and invalid parameter, only output
// valid ones
// Example: param=valid1,valid2,invalid1,valid1
// Result: param=valid1,valid2
givenOptions.forEach( function ( value ) {
if (
legalOptions.indexOf( value ) > -1 &&
result.indexOf( value ) === -1
) {
result.push( value );
}
} );
return result;
}
}
};
}( mediaWiki ) );
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