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path: root/resources/mediawiki.special/mediawiki.special.changeemail.js
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/**
 * JavaScript for Special:ChangeEmail
 */
( function ( mw, $ ) {
	/**
	 * Given an email validity status (true, false, null) update the label CSS class
	 */
	function updateMailValidityLabel( mail ) {
		var isValid = mw.util.validateEmail( mail ),
			$label = $( '#mw-emailaddress-validity' );

		// We allow empty address
		if ( isValid === null ) {
			$label.text( '' ).removeClass( 'valid invalid' );

		// Valid
		} else if ( isValid ) {
			$label.text( mw.msg( 'email-address-validity-valid' ) ).addClass( 'valid' ).removeClass( 'invalid' );

		// Not valid
		} else {
			$label.text( mw.msg( 'email-address-validity-invalid' ) ).addClass( 'invalid' ).removeClass( 'valid' );
		}
	}

	$( document ).ready( function () {
		// Lame tip to let user know if its email is valid. See bug 22449.
		// Only bind once for 'blur' so that the user can fill it in without errors;
		// after that, look at every keypress for immediate feedback.
		$( '#wpNewEmail' ).one( 'blur', function () {
			var $this = $( this );
			if ( $( '#mw-emailaddress-validity' ).length === 0 ) {
				$this.after( '<label for="wpNewEmail" id="mw-emailaddress-validity"></label>' );
			}

			updateMailValidityLabel( $this.val() );
			$this.keyup( function () {
				updateMailValidityLabel( $this.val() );
			} );
		} );
	} );
}( mediaWiki, jQuery ) );