wp-dynamic-routing.php

/**
 * Register and load JavaScript files.
 *
 * Includes 'settings' array based on query parameters.
 *
 * @since  1.0.
 *
 * @see wp_enqueue_script()
 * @see wp_localize_script()
 */
function parbaked_enqueue_scripts() {
	$queried_object = get_queried_object();
	$query_settings = parbaked_get_query_settings( $queried_object );
	$version        = current_time( 'timestamp' );

	wp_register_script(
		'rbbb',
		get_template_directory_uri() . '/assets/js/src/app.js',
		array(
			'backbone'
			'underscore',
			'jquery',
		),
		$version,
		true
	);

	wp_localize_script( 'rbbb', 'settings', $query_settings );

	wp_enqueue_script( 'rbbb' );
}
add_action( 'wp_enqueue_scripts', 'parbaked_enqueue_scripts' );


/**
 * Set the localized settings array based on the request.
 *
 * @return  array $query_settings
 */
function parbaked_get_query_settings( $queried_object ) {
	global $wp_rewrite;

	$query_settings = array(
		'query_type'      => 'home',
		'query_object'    => $queried_object,
		'query_path'      => array(
			'author_permastruct'   => $wp_rewrite->get_author_permastruct(),
			'host'                 => preg_replace( '#^http(s)?://#i', '', untrailingslashit( get_option( 'home' ) ) ),
			'path'                 => parbaked_get_request_path(),
			'use_trailing_slashes' => $wp_rewrite->use_trailing_slashes,
			'parameters'           => parbaked_get_request_parameters(),
		),
	);

	/**
	 * Conditionally change the $query_settings array based on the current request.
	 */
	if ( is_singular() ) {
		$query_settings['query_type'] = 'single';
	}

	if ( is_category() || is_tag() || is_tax() ) {
		$query_settings['query_type'] = 'archive';
		$query_settings['taxonomy']   = get_taxonomy( $queried_object->taxonomy );
	} elseif ( is_date() ) {
		$query_settings['query_type'] = 'archive';
	} elseif ( is_search() ) {
		$query_settings['query_type']  = 'search';
		$query_settings['searchQuery'] = get_search_query();
	} elseif ( is_author() ) {
		$query_settings['query_type'] = 'author';
	}

	if ( is_paged() ) {
		$query_settings['page'] = absint( get_query_var( 'paged' ) ) + 1;
	}

	return $query_settings;
}


/**
 * Build path data for current request.
 *
 * @return string|bool
 */
function parbaked_get_request_path() {
	global $wp_rewrite;

	if ( $wp_rewrite->using_permalinks() ) {
		global $wp;

		// If called too early, bail
		if ( ! isset( $wp->request ) ) {
			return false;
		}

		// Determine path for paginated version of current request
		if ( false != preg_match( '#' . $wp_rewrite->pagination_base . '/\d+/?$#i', $wp->request ) ) {
			$path = preg_replace( '#' . $wp_rewrite->pagination_base . '/\d+$#i', $wp_rewrite->pagination_base . '/%d', $wp->request );
		} elseif ( is_paged() ) {
			$path = $wp->request . '/' . $wp_rewrite->pagination_base . '/%d';
		} else {
			$path = $wp->request . '/';
		}

		// Slashes everywhere we need them
		if ( 0 !== strpos( $path, '/' ) ) {
			$path = '/' . $path;
		}

		$path = user_trailingslashit( $path );
	} else {
		// Clean up raw $_REQUEST input
		$path = array_map( 'sanitize_text_field', $_REQUEST );
		$path = array_filter( $path );

		$path['paged'] = '%d';

		$path = add_query_arg( $path, '/' );
	}

	return empty( $path ) ? false : $path;
}

/**
 * Return query string for current request, prefixed with '?'.
 *
 * @return string
 */
function parbaked_get_request_parameters() {
	$uri = $_SERVER[ 'REQUEST_URI' ];
	$uri = preg_replace( '/^[^?]*(\?.*$)/', '$1', $uri, 1, $count );
	if ( 1 != $count ) {
		return '';
	}

	return $uri;
}