feat: Add overlayAsync implementation (#59)

* feat: Add overlayAsync implementation

* chore: useless code remove

* fix: openAsync close test falsy positive fix

* Create polite-pans-stare.md

* Update polite-pans-stare.md

---------

Co-authored-by: Yongbeen Im <been.im@toss.im>
Co-authored-by: Yongbeen Im <meis1541@naver.com>

Author: XionWCFM

.changeset/polite-pans-stare.md

@@ -0,0 +1,9 @@
+---
+"overlay-kit": minor
+---
+
+feat: Add overlayAsync implementation
+
+This change implements the openAsync method for overly-kit's promise support discussed in #47.
+
+**Related Issue:** Fixes #47 

packages/src/context/provider.tsx

@@ -41,7 +41,12 @@ type OverlayControllerProps = {
   unmount: () => void;
 };
 
+type OverlayAsyncControllerProps<T> = Omit<OverlayControllerProps, 'close'> & {
+  close: (param: T) => void;
+};
+
 export type OverlayControllerComponent = FC<OverlayControllerProps>;
+export type OverlayAsyncControllerComponent<T> = FC<OverlayAsyncControllerProps<T>>;
 
 type ContentOverlayControllerProps = {
   isOpen: boolean;

packages/src/event.test.tsx

@@ -1,6 +1,6 @@
-import { render, screen } from '@testing-library/react';
+import { render, screen, waitFor } from '@testing-library/react';
 import { act, useEffect, type PropsWithChildren } from 'react';
-import { afterEach, describe, expect, it } from 'vitest';
+import { afterEach, describe, expect, it, vi } from 'vitest';
 import { OverlayProvider } from './context/provider';
 import { overlay } from './event';
 
@@ -74,4 +74,72 @@ describe('overlay object', () => {
     expect(screen.queryByText(testContent3)).toBeInTheDocument();
     expect(screen.queryByText(testContent4)).toBeInTheDocument();
   });
+
+  it('The value passed as an argument to close is passed to resolve. overlay.openAsync', async () => {
+    const wrapper = ({ children }: PropsWithChildren) => <OverlayProvider>{children}</OverlayProvider>;
+    const testContent = 'context-modal-test-content';
+    const dialogContent = 'context-modal-dialog-content';
+    const mockFn = vi.fn();
+    const Component = () => {
+      const handleClick = async () => {
+        const result = await overlay.openAsync<boolean>(({ close }) => (
+          <button onClick={() => close(true)}>{dialogContent}</button>
+        ));
+
+        if (result) {
+          mockFn(result);
+        }
+      };
+
+      return <button onClick={handleClick}>{testContent}</button>;
+    };
+
+    const renderComponent = render(<Component />, { wrapper });
+    const testContentElement = await renderComponent.findByText(testContent);
+
+    act(() => {
+      testContentElement.click();
+    });
+
+    const dialogContentElement = await renderComponent.findByText(dialogContent);
+
+    act(() => {
+      dialogContentElement.click();
+    });
+    await waitFor(() => {
+      expect(mockFn).toHaveBeenCalledWith(true);
+    });
+  });
+
+  it('should be able to turn off overlay through close overlay.openAsync', async () => {
+    const wrapper = ({ children }: PropsWithChildren) => <OverlayProvider>{children}</OverlayProvider>;
+    const testContent = 'context-modal-test-content';
+    const dialogContent = 'context-modal-dialog-content';
+
+    const Component = () => {
+      const handleClick = async () => {
+        overlay.openAsync<boolean>(({ isOpen, close }) =>
+          isOpen ? <button onClick={() => close(true)}>{dialogContent}</button> : null
+        );
+      };
+      return <button onClick={handleClick}>{testContent}</button>;
+    };
+
+    const renderComponent = render(<Component />, { wrapper });
+    const testContentElement = await renderComponent.findByText(testContent);
+
+    act(() => {
+      testContentElement.click();
+    });
+
+    const dialogContentElement = await renderComponent.findByText(dialogContent);
+
+    act(() => {
+      dialogContentElement.click();
+    });
+
+    await waitFor(() => {
+      expect(dialogContentElement).not.toBeInTheDocument();
+    });
+  });
 });

packages/src/event.ts

@@ -1,4 +1,4 @@
-import { type OverlayControllerComponent } from './context/provider';
+import { type OverlayAsyncControllerComponent, type OverlayControllerComponent } from './context/provider';
 import { dispatchOverlay } from './context/store';
 import { randomId } from './utils';
 
@@ -20,6 +20,26 @@ function open(controller: OverlayControllerComponent, options?: OpenOverlayOptio
 
   return overlayId;
 }
+
+async function openAsync<T>(controller: OverlayAsyncControllerComponent<T>, options?: OpenOverlayOptions) {
+  return new Promise<T>((resolve) => {
+    open((overlayProps, ...deprecatedLegacyContext) => {
+      /**
+       * @description close the overlay with resolve
+       */
+      const close = (param: T) => {
+        resolve(param as T);
+        overlayProps.close();
+      };
+      /**
+       * @description Passing overridden methods
+       */
+      const props = { ...overlayProps, close };
+      return controller(props, ...deprecatedLegacyContext);
+    }, options);
+  });
+}
+
 function close(overlayId: string) {
   dispatchOverlay({ type: 'CLOSE', overlayId });
 }
@@ -33,4 +53,4 @@ function unmountAll() {
   dispatchOverlay({ type: 'REMOVE_ALL' });
 }
 
-export const overlay = { open, close, unmount, closeAll, unmountAll };
+export const overlay = { open, close, unmount, closeAll, unmountAll, openAsync };