[FE][Feat] #108 : Dropdown 버튼 구현

frontend/src/App.tsx

@@ -23,4 +23,4 @@ export const App = () => (
     <Route path="/add-channel/:user/draw" element={<DrawRoute />} />
     <Route path="/channel/:channelId/*" element={<ChannelRoutes />} />
   </Routes>
-);
+);

frontend/src/component/common/dropdown/Dropdown.tsx

@@ -0,0 +1,35 @@
+import React, { createContext, ReactNode, useMemo, useState } from 'react';
+import { DropdownTrigger } from '@/component/common/dropdown/DropdownTrigger.tsx';
+import { DropdownItem } from '@/component/common/dropdown/DropdownItem.tsx';
+import { DropdownMenu } from '@/component/common/dropdown/DropdownMenu.tsx';
+
+interface IDropdownProps {
+  children: ReactNode;
+}
+
+export interface IToggleContext {
+  isOpen: boolean;
+  setIsOpen: React.Dispatch<React.SetStateAction<boolean>>;
+}
+
+export const ToggleContext = createContext<IToggleContext>({
+  isOpen: false,
+  setIsOpen: () => {},
+});
+
+// Todo : 드랍다운 외부에서 클릭시 창 닫히게 설정
+export const Dropdown = (props: IDropdownProps) => {
+  const [isOpen, setIsOpen] = useState(false);
+
+  const toggleContextValue = useMemo(() => ({ isOpen, setIsOpen }), [isOpen, setIsOpen]);
+
+  return (
+    <aside className="relative flex w-fit flex-col">
+      <ToggleContext.Provider value={toggleContextValue}>{props.children}</ToggleContext.Provider>
+    </aside>
+  );
+};
+
+Dropdown.Trigger = DropdownTrigger;
+Dropdown.Item = DropdownItem;
+Dropdown.Menu = DropdownMenu;

frontend/src/component/common/dropdown/DropdownItem.tsx

@@ -0,0 +1,21 @@
+import { ReactNode } from 'react';
+
+interface IDropdownItemProps {
+  children: ReactNode;
+  onClick?: React.MouseEventHandler<HTMLButtonElement>;
+}
+
+export const DropdownItem = (props: IDropdownItemProps) => {
+  // undefined는 react에서 랜더링 하지 않음
+  return (
+    <li className="px-3 py-1.5 text-base">
+      <button
+        type="button"
+        className="flex w-full items-center justify-between whitespace-nowrap bg-transparent"
+        onClick={props.onClick}
+      >
+        {props.children}
+      </button>
+    </li>
+  );
+};

frontend/src/component/common/dropdown/DropdownMenu.tsx

@@ -0,0 +1,63 @@
+import { ReactNode, useContext, useRef, useEffect } from 'react';
+import classNames from 'classnames';
+import { ToggleContext } from '@/component/common/dropdown/Dropdown.tsx';
+
+interface IDropdownMenuProps {
+  children: ReactNode | ReactNode[];
+}
+
+export const DropdownMenu = (props: IDropdownMenuProps) => {
+  const { isOpen, setIsOpen } = useContext(ToggleContext);
+  const ref = useRef<HTMLUListElement | null>(null);
+
+  const handleOutSideClick = (event: MouseEvent) => {
+    const { target } = event;
+
+    if (!(target instanceof HTMLElement)) {
+      return;
+    }
+
+    if (
+      ref.current &&
+      target &&
+      !ref.current.contains(target) &&
+      target.dataset.component !== 'DropdownTrigger'
+    ) {
+      setIsOpen(false);
+    }
+  };
+
+  useEffect(() => {
+    document.addEventListener('click', handleOutSideClick);
+    return () => {
+      document.removeEventListener('click', handleOutSideClick);
+    };
+  }, []);
+
+  return (
+    isOpen && (
+      <ul
+        ref={ref}
+        className={classNames(
+          // 추후 애니메이션 조건부 적용을 위해서 classNames 사용
+          'align-center',
+          'animate-smoothAppear',
+          'absolute',
+          'right-0',
+          'top-8',
+          'z-10',
+          'flex',
+          'flex-col',
+          'justify-center',
+          'gap-2.5',
+          'rounded-xl',
+          'p-2.5',
+          'shadow-2xl',
+          'w-fit',
+        )}
+      >
+        {props.children}
+      </ul>
+    )
+  );
+};

frontend/src/component/common/dropdown/DropdownTrigger.tsx

@@ -0,0 +1,33 @@
+import { ReactNode, useContext } from 'react';
+import classNames from 'classnames';
+import { ToggleContext } from '@/component/common/dropdown/Dropdown.tsx';
+
+interface IDropdownTriggerProps {
+  children: ReactNode;
+}
+
+export const DropdownTrigger = (props: IDropdownTriggerProps) => {
+  const { setIsOpen } = useContext(ToggleContext);
+
+  const handleOnClick = () => {
+    setIsOpen(prevIsOpen => !prevIsOpen);
+  };
+
+  return (
+    <button
+      type="button"
+      className={classNames(
+        'flex',
+        'justify-center',
+        'items-center',
+        'bg-transparent',
+        'w-fit',
+        'h-fit',
+      )}
+      data-component="DropdownTrigger"
+      onClick={handleOnClick}
+    >
+      {props.children}
+    </button>
+  );
+};

frontend/src/component/header/HeaderDropdown.tsx

@@ -0,0 +1,38 @@
+import { Dropdown } from '@/component/common/dropdown/Dropdown.tsx';
+import { MdMenu, MdLocationOn } from 'react-icons/md';
+import { DropdownItem } from '@/component/common/dropdown/DropdownItem.tsx';
+import classNames from 'classnames';
+
+// interface IDropdownContainerProps {}
+
+// TDDO : props로 전달되면 해석되도록 로직 변경 (props:props: IDropdownContainerProps)
+export const HeaderDropdown = () => {
+  return (
+    <div>
+      <Dropdown>
+        <Dropdown.Trigger>
+          <MdMenu className="h-6 w-6" />
+        </Dropdown.Trigger>
+        <Dropdown.Menu>
+          {[
+            '사용자 1 보기',
+            '사용자 2 보기',
+            '사용자 3 보기',
+            '사용자 4 보기',
+            '사용자 5 보기',
+          ].map((e, i) => {
+            return (
+              <DropdownItem key={e}>
+                {e}
+                <MdLocationOn
+                  className={classNames('w-5', 'h-5', `text-marker-user${i + 1}`, 'fill-current')}
+                />
+                {/* 아이콘 색 변경 로직 찾기, 현재는 아이콘색이 반영이 안됨 수정할 사 */}
+              </DropdownItem>
+            );
+          })}
+        </Dropdown.Menu>
+      </Dropdown>
+    </div>
+  );
+};

frontend/src/main.tsx

@@ -2,7 +2,7 @@ import { StrictMode } from 'react';
 import { createRoot } from 'react-dom/client';
 import { BrowserRouter } from 'react-router-dom';
 import './index.css';
-import { App } from './App';
+import { App } from './App2';
 // 우선은 폰트 다 포함시켰는데, 나중에 사용할 것들만 따로 뺴자.
 import '@fontsource/pretendard/100.css';
 import '@fontsource/pretendard/200.css';

frontend/tailwind.config.js

@@ -47,6 +47,16 @@ module.exports = {
         float: '0 4px 20px rgba(0, 0, 0, 0.13)',
         basic: 'inset 0 0 3px rgba(0, 0, 0, 0.11)',
       },
+      keyframes: {
+        smoothAppear: {
+          '0%': { opacity: '0', transform: 'translateY(-5%)' },
+          '100%': { opacity: '1', transform: 'translateY(0)' },
+        },
+      },
+      animation: {
+        smoothAppear: 'smoothAppear 0.5s ease-out', // 0.5s는 원하는 지속 시간
+        smoothDisappear: 'smoothAppear 0.5s reverse ease-out', // 0.5s는 원하는 지속 시간
+      },
     }, // 필요한 커스터마이징을 여기서 설정 가능
   },
   plugins: [],