vue-wp/vue-theme/functions.php

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

$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/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' );