{
  "version": 3,
  "sources": ["../../src/modal/use-modal-exit-animation.ts"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useReducedMotion } from '@wordpress/compose';\nimport { useCallback, useRef, useState } from '@wordpress/element';\nimport warning from '@wordpress/warning';\n\n/**\n * Internal dependencies\n */\nimport { CONFIG } from '../utils';\n\n// Animation duration (ms) extracted to JS in order to be used on a setTimeout.\nconst FRAME_ANIMATION_DURATION = CONFIG.transitionDuration;\nconst FRAME_ANIMATION_DURATION_NUMBER = Number.parseInt(CONFIG.transitionDuration);\nconst EXIT_ANIMATION_NAME = 'components-modal__disappear-animation';\nexport function useModalExitAnimation() {\n  const frameRef = useRef(null);\n  const [isAnimatingOut, setIsAnimatingOut] = useState(false);\n  const isReducedMotion = useReducedMotion();\n  const closeModal = useCallback(() => new Promise(closeModalResolve => {\n    // Grab a \"stable\" reference of the frame element, since\n    // the value held by the react ref might change at runtime.\n    const frameEl = frameRef.current;\n    if (isReducedMotion) {\n      closeModalResolve();\n      return;\n    }\n    if (!frameEl) {\n      globalThis.SCRIPT_DEBUG === true ? warning(\"wp.components.Modal: the Modal component can't be closed with an exit animation because of a missing reference to the modal frame element.\") : void 0;\n      closeModalResolve();\n      return;\n    }\n    let handleAnimationEnd;\n    const startAnimation = () => new Promise(animationResolve => {\n      handleAnimationEnd = e => {\n        if (e.animationName === EXIT_ANIMATION_NAME) {\n          animationResolve();\n        }\n      };\n      frameEl.addEventListener('animationend', handleAnimationEnd);\n      setIsAnimatingOut(true);\n    });\n    const animationTimeout = () => new Promise(timeoutResolve => {\n      setTimeout(() => timeoutResolve(),\n      // Allow an extra 20% of the animation duration for the\n      // animationend event to fire, in case the animation frame is\n      // slightly delayes by some other events in the event loop.\n      FRAME_ANIMATION_DURATION_NUMBER * 1.2);\n    });\n    Promise.race([startAnimation(), animationTimeout()]).then(() => {\n      if (handleAnimationEnd) {\n        frameEl.removeEventListener('animationend', handleAnimationEnd);\n      }\n      setIsAnimatingOut(false);\n      closeModalResolve();\n    });\n  }), [isReducedMotion]);\n  return {\n    overlayClassname: isAnimatingOut ? 'is-animating-out' : undefined,\n    frameRef,\n    frameStyle: {\n      '--modal-frame-animation-duration': `${FRAME_ANIMATION_DURATION}`\n    },\n    closeModal\n  };\n}"],
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