woocommerce_enqueue_styles filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_enqueue_styles', 'filter_function_name_5659' );
function filter_function_name_5659( $array ){
	// filter...

	return $array;
}

$array: -

Where the hook is called

WC_Frontend_Scripts::get_styles()

woocommerce_enqueue_styles

woocommerce_style_smallscreen_breakpoint

woocommerce/includes/class-wc-frontend-scripts.php 58-83

return apply_filters(
	'woocommerce_enqueue_styles',
	array(
		'woocommerce-layout'      => array(
			'src'     => self::get_asset_url( 'assets/css/woocommerce-layout.css' ),
			'deps'    => '',
			'version' => $version,
			'media'   => 'all',
			'has_rtl' => true,
		),
		'woocommerce-smallscreen' => array(
			'src'     => self::get_asset_url( 'assets/css/woocommerce-smallscreen.css' ),
			'deps'    => 'woocommerce-layout',
			'version' => $version,
			'media'   => 'only screen and (max-width: ' . apply_filters( 'woocommerce_style_smallscreen_breakpoint', '768px' ) . ')',
			'has_rtl' => true,
		),
		'woocommerce-general'     => array(
			'src'     => self::get_asset_url( 'assets/css/woocommerce.css' ),
			'deps'    => '',
			'version' => $version,
			'media'   => 'all',
			'has_rtl' => true,
		),
	)
);

Where in WP core the hook is used WooCommerce

woocommerce/includes/theme-support/class-wc-twenty-nineteen.php 34

add_filter( 'woocommerce_enqueue_styles', array( __CLASS__, 'enqueue_styles' ) );

woocommerce/includes/theme-support/class-wc-twenty-seventeen.php 27

add_filter( 'woocommerce_enqueue_styles', array( __CLASS__, 'enqueue_styles' ) );

woocommerce/includes/theme-support/class-wc-twenty-twenty-one.php 34

add_filter( 'woocommerce_enqueue_styles', array( __CLASS__, 'enqueue_styles' ) );

woocommerce/includes/theme-support/class-wc-twenty-twenty.php 34

add_filter( 'woocommerce_enqueue_styles', array( __CLASS__, 'enqueue_styles' ) );