vue-wp/vue-theme/functions.php

<?php
/**
 * Theme Functions - functions.php
 * 
 * 1. Scripts needed to run the vue theme
 */

 // Load WP stuff as needed
 // https://www.smashingmagazine.com/2018/10/headless-wordpress-decoupled/#improving-performance-decoupled-json-approach
define( 'SHORTINIT', true );
$parse_uri = explode( 'wp-content', $_SERVER['SCRIPT_FILENAME'] );
// require_once filter_var( $parse_uri[0] . 'wp-load.php', FILTER_SANITIZE_STRING );

$path = $_SERVER['DOCUMENT_ROOT'];

require_once $path . '/wp-load.php';
require_once $path . '/wp-config.php';
require_once $path . '/wp-includes/wp-db.php';
require_once $path . '/wp-includes/pluggable.php';

// https://github.com/EvanAgee/vuejs-wordpress-theme-starter/blob/master/functions.php
remove_action( 'template_redirect', 'redirect_canonical' );
function remove_redirects() {
	add_rewrite_rule( '^/(.+)/?', 'index.php', 'top' );
}
add_action( 'init', 'remove_redirects' );


function vue_theme_routes() {
    $routes = array();

    $query = new WP_Query( array(
        'post_type'   => 'any',
        'post_status' => 'publish',
        'posts_per_page' => -1
    ) );
    if( $query->have_posts() ) {
        while( $query->have_posts() ) {
            $query->the_post();
            $routes[] = array(
                'id' => get_the_ID(),
                'type' => get_post_type(),
                'slug' => basename( get_permalink() ),
            );
        }
    }
    wp_reset_postdata();

    return $routes;
}

/* 1 */
function vue_theme_scripts() {

	wp_enqueue_style( 'style', get_stylesheet_uri() );

	if ( defined( 'IS_DEV' ) && IS_DEV ) {
		wp_register_script(
            'vue-theme',
            'http://localhost:8081/build/main.js',
            array( 'jquery' ),
            false,
            true 
        );
	} else {
        wp_register_script(
            'vue-theme',
            get_template_directory_uri() . '/public/main.js',
            array( 'jquery' ),
            false,
            true 
        );
	}

	wp_localize_script( 'vue-theme', 'wp', array(
        'template' => get_stylesheet_directory_uri(),
        'rest' => esc_url_raw( rest_url() ),
        'site_name' => get_bloginfo( 'name' ),
        // 'nonce' => wp_create_nonce( 'wp_rest' ),
        'routes' => vue_theme_routes(),
    ) );

    wp_enqueue_script( 'vue-theme' );
}
add_action( 'wp_enqueue_scripts', 'vue_theme_scripts' );

/**
 * disable endpoints in rest api
 **/
add_filter( 'rest_endpoints', function ( $endpoints ) {
	if ( isset( $endpoints['/wp/v2/users'] ) ) {
		unset( $endpoints['/wp/v2/users'] );
	}
	if ( isset( $endpoints['/wp/v2/users/(?P<id>[\d]+)'] ) ) {
		unset( $endpoints['/wp/v2/users/(?P<id>[\d]+)'] );
	}

    if ( isset( $endpoints['/wp/v2/comments'] ) ) {
		unset( $endpoints['/wp/v2/comments'] );
	}
	if ( isset( $endpoints['/wp/v2/comments/(?P<id>[\d]+)'] ) ) {
		unset( $endpoints['/wp/v2/comments/(?P<id>[\d]+)'] );
    }
    
    if ( isset( $endpoints['/wp/v2/settings'] ) ) {
		unset( $endpoints['/wp/v2/settings'] );
	}
	return $endpoints;
} );

/**
 * remove wordpress version number from files
 **/
remove_action( 'wp_head', 'wp_generator' );

// Disable XML-RPC
add_filter('xmlrpc_enabled', '__return_false');
// Disable WLManifest
remove_action( 'wp_head', 'wlwmanifest_link' ) ;
// Disable self ping
function disable_pingback( &$links ) {
    foreach ( $links as $l => $link )
        if ( 0 === strpos( $link, get_option( 'home' ) ) )
            unset($links[$l]);
}
add_action( 'pre_ping', 'disable_pingback' );
// Disable RSD (used with self ping and XML-RPC)
remove_action( 'wp_head', 'rsd_link' ) ;
// Disable post embed
function disable_embed() { wp_dequeue_script( 'wp-embed' ); }
add_action( 'wp_footer', 'disable_embed' );
// Disable Shortlinking
remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);

// Remove versions from static assets (prevents cache-ing)
function remove_cssjs_ver( $src ) {
    if( strpos( $src, '?ver=' ) )
        $src = remove_query_arg( 'ver', $src );
    return $src;
}
add_filter( 'style_loader_src', 'remove_cssjs_ver', 10, 2 );
add_filter( 'script_loader_src', 'remove_cssjs_ver', 10, 2 );

// Do NOT include jquery
function no_default_jquery( ) {
    if (!is_admin()) {
        wp_deregister_script('jquery');
        wp_register_script('jquery', false);
    }
}
add_action( 'init', 'no_default_jquery' );

// header( 'Access-Control-Allow-Origin: http://localhost:8080' );
header( 'Content-Type: application/json' );