fix: fix picker in shadowdom (#213)

Co-authored-by: 礼上 <lijie.clj@alibaba-inc.com>

src/hooks/usePickerInput.ts

@@ -1,7 +1,7 @@
 import type * as React from 'react';
 import { useState, useEffect, useRef } from 'react';
 import KeyCode from 'rc-util/lib/KeyCode';
-import { addGlobalMouseDownEvent } from '../utils/uiUtil';
+import { addGlobalMouseDownEvent, getTargetFromEvent } from '../utils/uiUtil';
 
 export default function usePickerInput({
   open,
@@ -21,10 +21,7 @@ export default function usePickerInput({
   isClickOutside: (clickElement: EventTarget | null) => boolean;
   triggerOpen: (open: boolean) => void;
   forwardKeyDown: (e: React.KeyboardEvent<HTMLInputElement>) => boolean;
-  onKeyDown: (
-    e: React.KeyboardEvent<HTMLInputElement>,
-    preventDefault: () => void,
-  ) => void;
+  onKeyDown: (e: React.KeyboardEvent<HTMLInputElement>, preventDefault: () => void) => void;
   blurToCancel?: boolean;
   onSubmit: () => void | boolean;
   onCancel: () => void;
@@ -49,7 +46,7 @@ export default function usePickerInput({
       setTyping(true);
       triggerOpen(true);
     },
-    onKeyDown: e => {
+    onKeyDown: (e) => {
       const preventDefault = (): void => {
         preventDefaultRef.current = true;
       };
@@ -98,7 +95,7 @@ export default function usePickerInput({
       }
     },
 
-    onFocus: e => {
+    onFocus: (e) => {
       setTyping(true);
       setFocused(true);
 
@@ -107,7 +104,7 @@ export default function usePickerInput({
       }
     },
 
-    onBlur: e => {
+    onBlur: (e) => {
       if (preventBlurRef.current || !isClickOutside(document.activeElement)) {
         preventBlurRef.current = false;
         return;
@@ -145,16 +142,20 @@ export default function usePickerInput({
 
   // Global click handler
   useEffect(() =>
-    addGlobalMouseDownEvent(({ target }: MouseEvent) => {
+    addGlobalMouseDownEvent((e: MouseEvent) => {
+      const target = getTargetFromEvent(e);
+
       if (open) {
-        if (!isClickOutside(target)) {
+        const clickedOutside = isClickOutside(target);
+
+        if (!clickedOutside) {
           preventBlurRef.current = true;
 
           // Always set back in case `onBlur` prevented by user
           requestAnimationFrame(() => {
             preventBlurRef.current = false;
           });
-        } else if (!focused) {
+        } else if (!focused || clickedOutside) {
           triggerOpen(false);
         }
       }

src/utils/uiUtil.ts

@@ -201,7 +201,7 @@ export function addGlobalMouseDownEvent(callback: ClickEventHandler) {
   if (!globalClickFunc && typeof window !== 'undefined' && window.addEventListener) {
     globalClickFunc = (e: MouseEvent) => {
       // Clone a new list to avoid repeat trigger events
-      [...clickCallbacks].forEach(queueFunc => {
+      [...clickCallbacks].forEach((queueFunc) => {
         queueFunc(e);
       });
     };
@@ -219,6 +219,17 @@ export function addGlobalMouseDownEvent(callback: ClickEventHandler) {
   };
 }
 
+export function getTargetFromEvent(e: Event) {
+  const target = e.target as HTMLElement;
+
+  // get target if in shadow dom
+  if (e.composed && target.shadowRoot) {
+    return (e.composedPath?.()[0] || target) as HTMLElement;
+  }
+
+  return target;
+}
+
 // ====================== Mode ======================
 const getYearNextMode = (next: PanelMode): PanelMode => {
   if (next === 'month' || next === 'date') {
@@ -261,5 +272,5 @@ export function elementsContains(
   elements: (HTMLElement | undefined | null)[],
   target: HTMLElement,
 ) {
-  return elements.some(ele => ele && ele.contains(target));
+  return elements.some((ele) => ele && ele.contains(target));
 }