Disable Optimole replacement on WP Rest API for Yoast Head

index.php

<?php
/*
Plugin Name: Optimole - Disable replacement on Yoast head on Rest API
Version: 0.0.1
Requires PHP: 7.0
Author URI: https://optimole.com
*/

namespace OptmlTweaks;


class RestYoastHeadIgnore {

	const KEY_TO_IGNORE = 'yoast_head';
	private static $buffer = null;

	public function __construct() {

		add_filter( 'optml_url_pre_process', function ( $response ) {
			if ( ! defined( 'REST_REQUEST' ) ) {
				return $response;
			}
			$response = json_decode( $response );
			self::$buffer = $response->{self::KEY_TO_IGNORE};

			unset( $response->{self::KEY_TO_IGNORE} );

			return wp_json_encode( $response );
		} );
		add_filter( 'optml_url_post_process', function ( $response ) {
			if ( ! defined( 'REST_REQUEST' ) ) {
				return $response;
			}
			$response                  = json_decode( $response );
			$response->{self::KEY_TO_IGNORE} = self::$buffer;

			return wp_json_encode( $response );
		} );
	}
}
( new RestYoastHeadIgnore() );