@tldraw/editor/dist-esm/lib/hooks/usePassThroughMouseOverEvents.mjs.map

tldraw infinite canvas SDK (editor).

{
  "version": 3,
  "sources": ["../../../src/lib/hooks/usePassThroughMouseOverEvents.ts"],
  "sourcesContent": ["import { RefObject, useEffect } from 'react'\nimport { preventDefault } from '../utils/dom'\nimport { useContainer } from './useContainer'\n\n/** @public */\nexport function usePassThroughMouseOverEvents(ref: RefObject<HTMLElement>) {\n\tif (!ref) throw Error('usePassThroughWheelEvents must be passed a ref')\n\tconst container = useContainer()\n\n\tuseEffect(() => {\n\t\tfunction onMouseOver(e: MouseEvent) {\n\t\t\tif ((e as any).isSpecialRedispatchedEvent) return\n\t\t\tpreventDefault(e)\n\t\t\tconst cvs = container.querySelector('.tl-canvas')\n\t\t\tif (!cvs) return\n\t\t\tconst newEvent = new PointerEvent(e.type, e as any)\n\t\t\t;(newEvent as any).isSpecialRedispatchedEvent = true\n\t\t\tcvs.dispatchEvent(newEvent)\n\t\t}\n\n\t\tconst elm = ref.current\n\t\tif (!elm) return\n\n\t\telm.addEventListener('mouseover', onMouseOver, { passive: false })\n\t\treturn () => {\n\t\t\telm.removeEventListener('mouseover', onMouseOver)\n\t\t}\n\t}, [container, ref])\n}\n"],
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}