Adds themeMods to WP-Graphql

thememods-gql.php

<?php

/**
 * Registers the field ThemeMod
 *
 * @return void
 */
function gql_theme_mod() {
	$_mods  = get_theme_mods();
	$config = array();
	$mods   = array();

	array_walk(
		$_mods,
		function( $a, $b ) use ( &$mods, &$config ) {
			if ( is_string( $a ) || is_int( $a ) ) {
				$name            = graphql_format_field_name( $b );
				$mods[ $name ]   = $a;
				$config[ $name ] = array(
					'type'        => is_int( $a ) ? 'Integer' : 'String',
					'description' => __( 'An option on the theme.', 'react-build' ),
				);
			}
		}
	);

	register_graphql_object_type(
		'ThemeMod',
		array(
			'description' => __( 'Gets the theme mods for the active theme.', 'react-build' ),
			'fields'      => $config,
		)
	);

	register_graphql_field(
		'RootQuery',
		'ThemeMods',
		array(
			'type'    => 'ThemeMod',
			'resolve' => function( $root, $args, $context, $info ) use ( $mods ) {
				return $mods;
			},
		)
	);
}

add_action( 'graphql_register_types', 'gql_theme_mod' );