User:Pdehaye/common.js

// Button:
mw.loader.using( 'oojs-ui-core' ).done( function () {
$( function () {
	var input = new OO.ui.TextInputWidget( {
			placeholder: 'This is an entry box'
		} );
		
	input.on( 'enter', function () {
		// Check for duplicates and prevent empty input
		if ( list.findItemFromData( input.getValue() ) ||
				input.getValue() === '' ) {
			input.$element.addClass( 'todo-error' );
			return;
		}
		
	} );

	// Append the app widgets
  $( '#mw-content-text' ).prepend(
		input.$element);

} );

} );