Merge pull request #43 from retejs/fix/no-drag-for-radix-ui

fix: pointerdown propagation

Author: Ni55aN

src/shared/drag.tsx

@@ -1,6 +1,7 @@
 import * as React from 'react'
 
 import { Position } from '../types'
+import { copyEvent, findReactRoot } from './utils'
 
 type Translate = (dx: number, dy: number) => void
 type StartEvent = { pageX: number, pageY: number }
@@ -34,7 +35,17 @@ export function useDrag(translate: Translate, getPointer: (e: StartEvent) => Pos
 
 export function useNoDrag(ref: React.MutableRefObject<HTMLElement | null>, disabled?: boolean) {
   React.useEffect(() => {
-    const handleClick = (e: PointerEvent) => !disabled && e.stopPropagation()
+    const handleClick = (e: PointerEvent) => {
+      if (disabled) return
+
+      const root = findReactRoot(e.target as HTMLElement)
+      const target = React.version.startsWith('16') ? document : root
+
+      if (target) {
+        e.stopPropagation()
+        target.dispatchEvent(copyEvent(e))
+      }
+    }
     const el = ref.current
 
     el?.addEventListener('pointerdown', handleClick)

src/shared/utils.ts

@@ -0,0 +1,32 @@
+export function copyEvent<T extends Event & Record<string, any>>(e: T) {
+  const newEvent = new (e.constructor as { new(type: string): T })(e.type)
+  let current = newEvent
+
+  while ((current = Object.getPrototypeOf(current))) {
+    const keys = Object.getOwnPropertyNames(current)
+
+    for (const k of keys) {
+      const item = newEvent[k]
+
+      if (typeof item === 'function') continue
+
+      Object.defineProperty(newEvent, k, { value: e[k] })
+    }
+  }
+
+  return newEvent
+}
+
+const rootPrefix = '__reactContainer$'
+
+type Keys = `${typeof rootPrefix}${string}` | '_reactRootContainer'
+type ReactNode = { [key in Keys]?: unknown } & HTMLElement
+
+export function findReactRoot(element: HTMLElement) {
+  let current: ReactNode | null = element as ReactNode
+
+  while (current) {
+    if (current._reactRootContainer || Object.keys(current).some(key => key.startsWith(rootPrefix))) return current
+    current = current.parentElement as ReactNode
+  }
+}