hello-multilingualpress.js

/**
 * Interactions with MultilingualPress on the admin side ( hooks into the 'admin_enqueue_scripts' action )
 *
 * @var {Array} multilingualpress_settings Array of variables passed to this script via wp_localize_script
 */

wp.domReady( () => {

	// If editing a post in the main site language
	if ( multilingualpress_settings && multilingualpress_settings.isPostEditor == 'true' && multilingualpress_settings.currentBlogID == '1' ) {

		const { subscribe } = wp.data;
		// const thePostID = wp.data.select( 'core/editor' ).getCurrentPostId();
		const isNewPost = wp.data.select( 'core/editor' ).isCleanNewPost(); // if this is a new post being created
		const sites = multilingualpress_settings.siteIDs; // the multisite subsite IDs passed from wp_localize_script

		// if it's a new post, connect all subsites to this post
		if ( isNewPost ) {

			// loop through each subsite and duplicate the new post's content/title/etc.
			Array.prototype.forEach.call( sites, function( id, i ) {

				// choose to create a new translated post and connect it to this source post
				let duplicateRadioOption = document.querySelector( `#multilingualpress-site-${id}-relationship-new` );
				duplicateRadioOption.click();

				// choose to copy the source content to the translated post
				let copyContent = document.querySelector( `#multilingualpress-site-${id}-remote-content-copy` );
				copyContent.click();

				// choose to copy the source featured image to the translated post
				let copyFeaturedImg = document.querySelector( `#multilingualpress-site-${id}-remote-thumbnail-copy` );
				copyFeaturedImg.click();

				// choose to copy the source taxonomies to the translated post
				let copyTaxonomies = document.querySelector( `#multilingualpress-site-${id}-remote-taxonomies-copy` );
				copyTaxonomies.click();

			} );

		}

		// Loop through the items of a select menu and return the appropriate value
		function changeSelectMenuOption( selectMenu, valsearch ) {
			for ( i = 0; i< selectMenu.options.length; i++ ) { 
				if ( selectMenu.options[i].value == valsearch ) {
					selectMenu.options[i].selected = true; // Item is found. Set its property and exit
					break;
				}
			}
			return;
		}

		// listen for changes to the source post's publish status and sync the translate posts' status
		const unssubscribe = subscribe( () => {

			const currentPostStatus = wp.data.select( 'core/editor' ).getEditedPostAttribute( 'status' ); // get status
			
			if ( 'auto-draft' === currentPostStatus ) return; // do nothing if auto draft
			
			// if the status changes to be published or a saved draft then sync the status of its translated posts
			if ( 'publish' === currentPostStatus || 'draft' === currentPostStatus ) {
				Array.prototype.forEach.call( sites, function( id, i ) {
					let translatedPostStatus = document.querySelector( `#multilingualpress-site-${id}-remote-status` );
					changeSelectMenuOption( translatedPostStatus, currentPostStatus );
				} );
			}

		} );

	}

} );