Better Asset Versioning - Genesis Child Theme - Versioning

asset-helpers.php

<?php
/**
 * Assets loader and helpers
 *
 * @package     Genesis Sample Theme
 * @since       1.0.0
 * @author      hellofromTonya
 * @link        https://KnowTheCode.io
 * @license     GNU-2.0+
 */

//* Enqueue Scripts and Styles
add_action( 'wp_enqueue_scripts', 'genesis_sample_enqueue_scripts_styles' );
function genesis_sample_enqueue_scripts_styles() {

	wp_enqueue_style( 'genesis-sample-fonts', '//fonts.googleapis.com/css?family=Source+Sans+Pro:400,600,700', array(),
		CHILD_THEME_VERSION );
	wp_enqueue_style( 'dashicons' );

	wp_enqueue_script( 'genesis-sample-responsive-menu', get_stylesheet_directory_uri() . '/js/responsive-menu.js',
		array( 'jquery' ), '1.0.0', true );
	$output = array(
		'mainMenu' => __( 'Menu', 'genesis-sample' ),
		'subMenu'  => __( 'Menu', 'genesis-sample' ),
	);
	wp_localize_script( 'genesis-sample-responsive-menu', 'genesisSampleL10n', $output );

}

/**
 * Get the theme's version.
 *
 * When in development/mode mode, it uses the style.css modification time.
 * Else, it grabs the version number from the stylesheet.
 *
 * @since 1.0.0
 *
 * @return string|int
 */
function get_theme_version() {

	$version_number = get_asset_current_version_number( get_stylesheet_directory() . '/style.css' );
	if ( $version_number !== false ) {
		return $version_number;
	}

	$theme = wp_get_theme();

	return $theme->get('Version');
}

function get_asset_current_version_number( $asset_file ) {
	if ( ! site_is_in_debug_mode() ) {
		return false;
	}

	return filemtime( $asset_file );
}

/**
 * Checks if the site is in development/debug mode.
 *
 * @since 1.0.0
 *
 * @return bool
 */
function site_is_in_debug_mode() {
	if ( ! defined( 'SCRIPT_DEBUG' ) ) {
		return false;
	}

	return ( (bool) SCRIPT_DEBUG === true );
}

This gist is for the Better Asset Versioning hands-on lab on Know the Code. It's for episode 6 - Forget Hard Coding - Genesis.

Place this file into lib/support/assets-helper.php in your child theme.