@mui/x-internal-gestures/esm/core/utils/isDirectionAllowed.js

The core engine of GestureEvents, a modern and robust multi-pointer gesture detection library for JavaScript.

/**
 * Check if a direction matches one of the allowed directions
 */
export function isDirectionAllowed(direction, allowedDirections) {
  if (!direction.vertical && !direction.horizontal) {
    return false;
  }
  if (allowedDirections.length === 0) {
    return true;
  }

  // Check if the vertical direction is allowed (if it exists)
  const verticalAllowed = direction.vertical === null || allowedDirections.includes(direction.vertical);

  // Check if the horizontal direction is allowed (if it exists)
  const horizontalAllowed = direction.horizontal === null || allowedDirections.includes(direction.horizontal);

  // Both directions must be allowed
  return verticalAllowed && horizontalAllowed;
}