@wordpress/editor/src/utils/url.js

Enhanced block editor for WordPress posts.

/**
 * External dependencies
 */
import { deburr, trim } from 'lodash';

/**
 * WordPress dependencies
 */
import { addQueryArgs } from '@wordpress/url';

/**
 * Returns the URL of a WPAdmin Page.
 *
 * TODO: This should be moved to a module less specific to the editor.
 *
 * @param {string} page  Page to navigate to.
 * @param {Object} query Query Args.
 *
 * @return {string} WPAdmin URL.
 */
export function getWPAdminURL( page, query ) {
	return addQueryArgs( page, query );
}

/**
 * Performs some basic cleanup of a string for use as a post slug
 *
 * This replicates some of what sanitize_title() does in WordPress core, but
 * is only designed to approximate what the slug will be.
 *
 * Converts Latin-1 Supplement and Latin Extended-A letters to basic Latin
 * letters. Removes combining diacritical marks. Converts whitespace, periods,
 * and forward slashes to hyphens. Removes any remaining non-word characters
 * except hyphens. Converts remaining string to lowercase. It does not account
 * for octets, HTML entities, or other encoded characters.
 *
 * @param {string} string Title or slug to be processed
 *
 * @return {string} Processed string
 */
export function cleanForSlug( string ) {
	if ( ! string ) {
		return '';
	}
	return trim(
		deburr( string )
			.replace( /[\s\./]+/g, '-' )
			.replace( /[^\w-]+/g, '' )
			.toLowerCase(),
		'-'
	);
}