@langgraph-js/sdk/dist/ui-store/rafDebounce.js

The UI SDK for LangGraph - seamlessly integrate your AI agents with frontend interfaces

/**
 * Creates a debounced function that executes once per animation frame
 * @param callback - The function to debounce
 * @returns A function that executes the callback on the next animation frame
 */
export function rafDebounce(callback) {
    let rafId = null;
    let lastArgs = null;
    // Return the debounced function
    return function (...args) {
        // Store the most recent arguments
        lastArgs = args;
        // Cancel any pending animation frame
        if (rafId !== null) {
            cancelAnimationFrame(rafId);
        }
        // Schedule execution on the next animation frame
        rafId = requestAnimationFrame(() => {
            if (lastArgs !== null) {
                callback(...lastArgs);
                lastArgs = null;
            }
            rafId = null;
        });
    };
}