refactor(webui): share outside-dismiss behavior

webui/src/components/ColorPickerField.tsx

@@ -1,5 +1,7 @@
-import { i18nMessage } from "../i18n/LanguageContext";import { Palette } from "lucide-react";
+import { Palette } from "lucide-react";
 import { useEffect, useRef, useState, type InputHTMLAttributes } from "react";
+import useOutsideDismiss from "../hooks/useOutsideDismiss";
+import { i18nMessage } from "../i18n/LanguageContext";
 
 type ColorPickerFieldProps = Omit<InputHTMLAttributes<HTMLInputElement>, "type" | "value" | "onChange"> & {
   value: string;
@@ -20,27 +22,6 @@ function normalizeColor(value: string): string {
   return trimmed;
 }
 
-function useOutsideClose(open: boolean, onClose: () => void) {
-  const ref = useRef<HTMLDivElement | null>(null);
-  useEffect(() => {
-    if (!open) return;
-    function handlePointerDown(event: PointerEvent) {
-      if (!ref.current || ref.current.contains(event.target as Node)) return;
-      onClose();
-    }
-    function handleKeyDown(event: KeyboardEvent) {
-      if (event.key === "Escape") onClose();
-    }
-    document.addEventListener("pointerdown", handlePointerDown);
-    document.addEventListener("keydown", handleKeyDown);
-    return () => {
-      document.removeEventListener("pointerdown", handlePointerDown);
-      document.removeEventListener("keydown", handleKeyDown);
-    };
-  }, [open, onClose]);
-  return ref;
-}
-
 export default function ColorPickerField({
   value,
   onChange,
@@ -51,7 +32,7 @@ export default function ColorPickerField({
   ...props
 }: ColorPickerFieldProps) {
   const [open, setOpen] = useState(false);
-  const rootRef = useOutsideClose(open, () => setOpen(false));
+  const rootRef = useOutsideDismiss(open, () => setOpen(false));
   const inputRef = useRef<HTMLInputElement | null>(null);
   const normalizedValue = normalizeColor(value || "");
   const previewColor = HEX_PATTERN.test(normalizedValue) ? normalizedValue : "transparent";
@@ -102,4 +83,4 @@ export default function ColorPickerField({
       }
     </div>);
 
-}
+}

webui/src/components/DateTimeField.tsx

@@ -1,5 +1,6 @@
 import { CalendarDays, ChevronLeft, ChevronRight, Clock } from "lucide-react";
 import { useEffect, useMemo, useRef, useState, type InputHTMLAttributes } from "react";
+import useOutsideDismiss from "../hooks/useOutsideDismiss";
 
 type BaseProps = Omit<InputHTMLAttributes<HTMLInputElement>, "type" | "value" | "onChange" | "min" | "max"> & {
   value: string;
@@ -48,32 +49,11 @@ function combineDateTime(date: string, time: string): string {
   return `${date || dateString(new Date())}T${time || "00:00"}`;
 }
 
-function useOutsideClose(open: boolean, onClose: () => void) {
-  const ref = useRef<HTMLDivElement | null>(null);
-  useEffect(() => {
-    if (!open) return;
-    function handlePointerDown(event: PointerEvent) {
-      if (!ref.current || ref.current.contains(event.target as Node)) return;
-      onClose();
-    }
-    function handleKeyDown(event: KeyboardEvent) {
-      if (event.key === "Escape") onClose();
-    }
-    document.addEventListener("pointerdown", handlePointerDown);
-    document.addEventListener("keydown", handleKeyDown);
-    return () => {
-      document.removeEventListener("pointerdown", handlePointerDown);
-      document.removeEventListener("keydown", handleKeyDown);
-    };
-  }, [open, onClose]);
-  return ref;
-}
-
 export function DateField({ value, onChange, min, max, disabled, className = "", placeholder = "i18n:govoplan-core.yyyy_mm_dd.d3f8f7b8", ...props }: BaseProps) {
   const selectedDate = parseDate(value);
   const [open, setOpen] = useState(false);
   const [visibleMonth, setVisibleMonth] = useState<Date>(() => selectedDate ?? new Date());
-  const rootRef = useOutsideClose(open, () => setOpen(false));
+  const rootRef = useOutsideDismiss(open, () => setOpen(false));
   const inputRef = useRef<HTMLInputElement | null>(null);
 
   useEffect(() => {
@@ -228,4 +208,4 @@ export function DateTimeField({ value, onChange, min, max, disabled, className =
 
 }
 
-export default DateField;
+export default DateField;

webui/src/hooks/useOutsideDismiss.ts

@@ -0,0 +1,30 @@
+import { useEffect, useRef } from "react";
+
+export default function useOutsideDismiss<TElement extends HTMLElement = HTMLDivElement>(
+  active: boolean,
+  onDismiss: () => void,
+) {
+  const rootRef = useRef<TElement | null>(null);
+
+  useEffect(() => {
+    if (!active) return;
+
+    function handlePointerDown(event: PointerEvent) {
+      if (!rootRef.current || rootRef.current.contains(event.target as Node)) return;
+      onDismiss();
+    }
+
+    function handleKeyDown(event: KeyboardEvent) {
+      if (event.key === "Escape") onDismiss();
+    }
+
+    document.addEventListener("pointerdown", handlePointerDown);
+    document.addEventListener("keydown", handleKeyDown);
+    return () => {
+      document.removeEventListener("pointerdown", handlePointerDown);
+      document.removeEventListener("keydown", handleKeyDown);
+    };
+  }, [active, onDismiss]);
+
+  return rootRef;
+}