feat(notes): overhaul UI to match macOS aesthetic and add theme support

.claude/skills/commit.md

@@ -20,6 +20,7 @@ When using Claude Code to commit changes:
 ## Examples
 
 ### Initial Commit
+
 ```bash
 git add src/components/NewFeature.tsx
 make commit
@@ -29,6 +30,7 @@ make commit
 ```
 
 ### Amend Commit
+
 ```bash
 git commit --amend
 # Edit the commit message to add:
@@ -42,4 +44,4 @@ git commit --amend
 - Keep subject line under 50 characters
 - Use body to explain "why" not just "what"
 - Reference related issues if applicable
-- Ensure commit passes linting and tests before pushing
+- Ensure commit passes linting and tests before pushing

jest.js

@@ -5,13 +5,17 @@ jest.useFakeTimers();
 jest.mock('zustand');
 
 // Mocking Date
-class MockDate extends Date {
-  constructor() {
-    super('2020-05-14T11:01:58.135'); // add whatever date you'll expect to get
+const RealDate = Date;
+class MockDate extends RealDate {
+  constructor(date) {
+    if (date) return new RealDate(date);
+    return new RealDate('2020-05-14T11:01:58.135Z');
   }
 }
 
+// @ts-ignore
 global.Date = MockDate;
+Date.now = () => new RealDate('2020-05-14T11:01:58.135Z').getTime();
 
 // Mocking Draft.js
 jest.mock('draft-js', () => ({

src/components/Window/__tests__/Windows.test.tsx

@@ -1,24 +1,64 @@
 import { fireEvent, render, screen } from '@testing-library/react';
+import '@testing-library/jest-dom';
 import Window from '../Window';
-import { ProgramType } from '@processStore';
+import { ProgramType, processStore, WindowSize } from '@processStore';
+import React from 'react';
+import { act } from '@testing-library/react-hooks';
+
+// Shared variable to capture props
+let capturedDraggableProps: any;
+let capturedResizableProps: any;
+
+// Mock DraggableProvider and ResizableBox to trigger callbacks and capture props
+jest.mock('@providers', () => ({
+  DraggableProvider: (props: any) => {
+    capturedDraggableProps = props;
+    return (
+      <div
+        data-testid="draggable-provider"
+        onClick={() => props.onPositionChange({ x: 100, y: 100 })}
+      >
+        {props.children}
+      </div>
+    );
+  },
+}));
+
+jest.mock('react-resizable', () => ({
+  ResizableBox: (props: any) => {
+    capturedResizableProps = props;
+    return (
+      <div
+        data-testid="resizable-box"
+        onClick={() =>
+          props.onResize &&
+          props.onResize({}, { size: { width: 800, height: 600 } })
+        }
+      >
+        {props.children}
+      </div>
+    );
+  },
+}));
 
 describe('Windows', () => {
   const clickHandler = jest.fn();
   beforeEach(() => {
     clickHandler.mockReset();
+    jest.clearAllMocks();
+    capturedDraggableProps = null;
+    capturedResizableProps = null;
+    // Reset store before each test
+    act(() => {
+      processStore.setState((state: any) => {
+        state.ActiveApp.apps = {};
+      });
+      // Seed FINDER app to state so it can be updated
+      processStore.getState().ActiveApp.addApp(ProgramType.FINDER);
+    });
   });
 
   it('should render for default values', () => {
-    const { container } = render(
-      <Window app={ProgramType.FINDER}>
-        <div>Test</div>
-      </Window>,
-    );
-
-    expect(container).toMatchSnapshot();
-  });
-
-  it('should render with top bar component values', () => {
     const { container } = render(
       <Window app={ProgramType.FINDER} topBar={<div>Top bar</div>}>
         <div>Test</div>
@@ -65,5 +105,190 @@ describe('Windows', () => {
 
     expect(container).toMatchSnapshot();
     expect(container.querySelector('.left-side')).toBeDefined();
+
+    // Verify it changed to MAX
+    const appState = processStore.getState().ActiveApp.apps[ProgramType.FINDER];
+    expect(appState?.size).toBe(WindowSize.MAX);
+  });
+
+  it('should toggle maximize on double click on title bar', () => {
+    const { container } = render(
+      <Window app={ProgramType.FINDER}>
+        <div>Test</div>
+      </Window>,
+    );
+
+    const titleBar = container.querySelector('.handle');
+    expect(titleBar).toBeTruthy();
+
+    if (titleBar) {
+      fireEvent.doubleClick(titleBar);
+    }
+
+    // Should now be maximized
+    expect(container).toMatchSnapshot();
+    const appState = processStore.getState().ActiveApp.apps[ProgramType.FINDER];
+    expect(appState?.size).toBe(WindowSize.MAX);
+  });
+
+  it('should handle resize', () => {
+    render(
+      <Window app={ProgramType.FINDER}>
+        <div>Test</div>
+      </Window>,
+    );
+
+    const resizable = screen.getByTestId('resizable-box');
+    fireEvent.click(resizable);
+    // onResize should have been called and updated componentDimension state
+  });
+
+  it('should handle position change', () => {
+    render(
+      <Window app={ProgramType.FINDER}>
+        <div>Test</div>
+      </Window>,
+    );
+
+    const draggable = screen.getByTestId('draggable-provider');
+    fireEvent.click(draggable);
+    // onPositionChange should have been called and triggered updatePosition
+  });
+
+  it('should render maximized window', () => {
+    // We need to mock processStore to return a maximized app
+    act(() => {
+      processStore.setState((state: any) => {
+        state.ActiveApp.apps[ProgramType.FINDER] = {
+          app: ProgramType.FINDER,
+          size: WindowSize.MAX,
+          position: { x: 0, y: 0 },
+        };
+      });
+    });
+
+    const { container } = render(
+      <Window app={ProgramType.FINDER}>
+        <div>Test</div>
+      </Window>,
+    );
+
+    expect(container).toMatchSnapshot();
+  });
+
+  it('should memoize correctly', () => {
+    const children = <div key="1">Test</div>;
+    const { rerender } = render(
+      <Window app={ProgramType.FINDER}>{children}</Window>,
+    );
+
+    // Re-rendering with same children should not cause re-render of memoized component
+    rerender(<Window app={ProgramType.FINDER}>{children}</Window>);
+
+    // Re-rendering with different children should cause re-render
+    rerender(
+      <Window app={ProgramType.FINDER}>
+        <div key="2">Different</div>
+      </Window>,
+    );
+  });
+
+  describe('Branch Coverage Edge Cases', () => {
+    it('should handle undefined currentApp (defaults to not maximized)', () => {
+      // Clear seeded app for this test
+      act(() => {
+        processStore.setState((state: any) => {
+          state.ActiveApp.apps = {};
+        });
+      });
+
+      render(
+        <Window app={ProgramType.FINDER}>
+          <div>Test Undefined</div>
+        </Window>,
+      );
+
+      expect(capturedDraggableProps.maximized).toBe(false);
+      expect(capturedDraggableProps.position).toEqual({ x: 0, y: 0 });
+      expect(capturedResizableProps.resizeHandles).toEqual(['se']);
+    });
+
+    it('should handle DEFAULT size app', () => {
+      act(() => {
+        processStore.setState((state: any) => {
+          state.ActiveApp.apps[ProgramType.FINDER] = {
+            app: ProgramType.FINDER,
+            size: WindowSize.DEFAULT,
+            position: { x: 50, y: 50 },
+          };
+        });
+      });
+
+      render(
+        <Window app={ProgramType.FINDER}>
+          <div>Test Default</div>
+        </Window>,
+      );
+
+      expect(capturedDraggableProps.maximized).toBe(false);
+      expect(capturedDraggableProps.position).toEqual({ x: 50, y: 50 });
+      expect(capturedResizableProps.resizeHandles).toEqual(['se']);
+    });
+
+    it('should handle MAX size app branches', () => {
+      act(() => {
+        processStore.setState((state: any) => {
+          state.ActiveApp.apps[ProgramType.FINDER] = {
+            app: ProgramType.FINDER,
+            size: WindowSize.MAX,
+            position: { x: 10, y: 10 },
+          };
+        });
+      });
+
+      render(
+        <Window app={ProgramType.FINDER}>
+          <div>Test Max</div>
+        </Window>,
+      );
+
+      expect(capturedDraggableProps.maximized).toBe(true);
+      expect(capturedResizableProps.resizeHandles).toEqual([]);
+      expect(capturedResizableProps.style.transition).toBe('all 0.2s');
+
+      // Test toggle back to DEFAULT
+      fireEvent.click(screen.getByLabelText('maximize'));
+      const appState =
+        processStore.getState().ActiveApp.apps[ProgramType.FINDER];
+      expect(appState?.size).toBe(WindowSize.DEFAULT);
+    });
+
+    it('should show/hide handle class based on maximized state', () => {
+      const { rerender } = render(
+        <Window app={ProgramType.FINDER}>
+          <div>Test Class</div>
+        </Window>,
+      );
+      const handleContainer =
+        screen.getByText('Test Class').parentElement?.previousSibling;
+      expect(handleContainer).toHaveClass('handle');
+
+      act(() => {
+        processStore.setState((state: any) => {
+          state.ActiveApp.apps[ProgramType.FINDER] = {
+            app: ProgramType.FINDER,
+            size: WindowSize.MAX,
+            position: { x: 0, y: 0 },
+          };
+        });
+      });
+
+      rerender(
+        <Window app={ProgramType.FINDER}>
+          <div>Test Class</div>
+        </Window>,
+      );
+      expect(handleContainer).not.toHaveClass('handle');
+    });
   });
 });