Developer Guide

etch_motion_scan_content — modify content before the scanner processes it. etch_motion_gsap_modules — add or remove GSAP modules from the scan result. etch_motion_presets — add custom presets or modify existing ones. etch_motion_css_initial — modify the initial-state CSS for a preset.

// Add a custom GSAP module
add_filter('etch_motion_gsap_modules', function($modules) );

// Force ScrollTrigger on specific pages
add_filter('etch_motion_gsap_modules', function($modules) );

etch_motion_init — fires when the plugin initializes. etch_motion_before_enqueue — fires before scripts are enqueued, receives module list. etch_motion_after_enqueue — fires after scripts are enqueued, receives module list.

add_action('etch_motion_before_enqueue', function($modules) );

Add custom presets via the etch_motion_presets filter. Each preset must include: label, category, defaults (trigger, duration, ease, scroll-start, once), initial (starting state), animate (ending state), requires (GSAP modules), css_initial (initial-state CSS).

add_filter('etch_motion_presets', function($presets) );