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Edit File: wpbc_utils.js

/**
 * =====================================================================================================================
 * JavaScript Util Functions		../includes/__js/utils/wpbc_utils.js
 * =====================================================================================================================
 */

/**
 * Trim  strings and array joined with  (,)
 *
 * @param string_to_trim   string / array
 * @returns string
 */
function wpbc_trim(string_to_trim) {

if ( Array.isArray( string_to_trim ) ) {
		string_to_trim = string_to_trim.join( ',' );
	}

if ( 'string' == typeof (string_to_trim) ) {
		string_to_trim = string_to_trim.trim();
	}

return string_to_trim;
}

/**
 * Check if element in array
 *
 * @param array_here		array
 * @param p_val				element to  check
 * @returns {boolean}
 */
function wpbc_in_array(array_here, p_val) {
	for ( var i = 0, l = array_here.length; i < l; i++ ) {
		if ( array_here[i] == p_val ) {
			return true;
		}
	}
	return false;
}

/**
 * Prevent opening blank windows on WordPress playground for pseudo links like this: <a href="javascript:void(0)"> or # to stay in the same tab.
 */
(function () {
	'use strict';

function is_playground_origin() {
		return location.origin === 'https://playground.wordpress.net';
	}

function is_pseudo_link(a) {
		if ( !a || !a.getAttribute ) return true;
		var href = (a.getAttribute( 'href' ) || '').trim().toLowerCase();
		return (
			!href ||
			href === '#' ||
			href.indexOf( '#' ) === 0 ||
			href.indexOf( 'javascript:' ) === 0 ||
			href.indexOf( 'mailto:' ) === 0 ||
			href.indexOf( 'tel:' ) === 0
		);
	}

function fix_target(a) {
		if ( ! a ) return;
		if ( is_pseudo_link( a ) || a.hasAttribute( 'data-wp-no-blank' ) ) {
			a.target = '_self';
		}
	}

function init_fix() {
		// Optional: clean up current DOM (harmless—affects only pseudo/datamarked links).
		var nodes = document.querySelectorAll( 'a[href]' );
		for ( var i = 0; i < nodes.length; i++ ) fix_target( nodes[i] );

// Late bubble-phase listeners (run after Playground's handlers)
		document.addEventListener( 'click', function (e) {
			var a = e.target && e.target.closest ? e.target.closest( 'a[href]' ) : null;
			if ( a ) fix_target( a );
		}, false );

document.addEventListener( 'focusin', function (e) {
			var a = e.target && e.target.closest ? e.target.closest( 'a[href]' ) : null;
			if ( a ) fix_target( a );
		} );
	}

function schedule_init() {
		if ( !is_playground_origin() ) return;
		setTimeout( init_fix, 1000 ); // ensure we attach after Playground's script.
	}

if ( document.readyState === 'loading' ) {
		document.addEventListener( 'DOMContentLoaded', schedule_init );
	} else {
		schedule_init();
	}
})();

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