feat(shared): 玻璃态 Select 组件——PR #222 修复版

app/shared/src/ui/Select.module.css

@@ -0,0 +1,199 @@
+.container {
+  position: relative;
+  display: inline-flex;
+  flex-shrink: 0;
+}
+
+/* ── Trigger ──────────────────────────────── */
+.trigger {
+  display: inline-flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  min-width: 158px;
+  width: 100%;
+  height: 34px;
+  padding: 0 10px 0 12px;
+  border: 1px solid var(--border);
+  border-radius: var(--radius-md, 6px);
+  background: var(--card, oklch(1 0 0 / 0.48));
+  color: var(--foreground);
+  font: inherit;
+  font-size: 13px;
+  font-weight: var(--font-weight-semibold, 600);
+  cursor: pointer;
+  white-space: nowrap;
+  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
+  -webkit-font-smoothing: antialiased;
+}
+
+.trigger:hover {
+  background: var(--card-hover, oklch(1 0 0 / 0.62));
+  border-color: var(--border-hover, oklch(0 0 0 / 0.13));
+}
+
+.trigger:focus-visible {
+  outline: none;
+  border-color: var(--ring, oklch(0.35 0.02 260 / 0.5));
+  box-shadow: 0 0 0 3px var(--ring, oklch(0.35 0.02 260 / 0.15));
+}
+
+.trigger:disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+.label {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.placeholder {
+  color: var(--muted-foreground);
+  font-weight: 450;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.chevron {
+  opacity: 0.4;
+  flex-shrink: 0;
+  transition: transform 0.2s ease;
+}
+
+.chevronOpen {
+  transform: rotate(180deg);
+}
+
+/* ── Dropdown panel ────────────────────────── */
+.dropdown {
+  position: fixed;
+  z-index: var(--z-overlay, 30);
+  min-width: 158px;
+  max-height: 260px;
+  overflow-y: auto;
+  background: var(--popover, oklch(0.96 0.01 260 / 0.92));
+  backdrop-filter: blur(24px) saturate(1.08);
+  -webkit-backdrop-filter: blur(24px) saturate(1.08);
+  border: 1px solid var(--border);
+  border-radius: var(--radius-xl, 12px);
+  box-shadow: 0 18px 44px -12px oklch(0 0 0 / 0.2), 0 4px 14px -8px oklch(0 0 0 / 0.14);
+  padding: 6px;
+  animation: dropdownIn 0.12s ease-out;
+  font-family: var(--font-sans);
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  scrollbar-width: thin;
+  scrollbar-color: transparent transparent;
+}
+
+.dropdown::-webkit-scrollbar {
+  width: 4px;
+}
+
+.dropdown::-webkit-scrollbar-thumb {
+  background: var(--border);
+  border-radius: 2px;
+}
+
+.dropdownUp {
+  animation: dropdownInUp 0.12s ease-out;
+}
+
+@keyframes dropdownIn {
+  from {
+    opacity: 0;
+    transform: translateY(-4px) scale(0.98);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0) scale(1);
+  }
+}
+
+@keyframes dropdownInUp {
+  from {
+    opacity: 0;
+    transform: translateY(4px) scale(0.98);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0) scale(1);
+  }
+}
+
+/* ── Options ───────────────────────────────── */
+.option {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  width: 100%;
+  padding: 8px 12px;
+  border: none;
+  border-radius: var(--radius-md, 6px);
+  background: transparent;
+  cursor: pointer;
+  text-align: left;
+  font: inherit;
+  font-size: 13px;
+  font-weight: 500;
+  color: var(--foreground);
+  transition: background 0.12s ease;
+}
+
+.option:hover,
+.optionFocused {
+  background: var(--hover-overlay, oklch(0 0 0 / 0.04));
+}
+
+.optionSelected {
+  font-weight: var(--font-weight-semibold, 600);
+}
+
+.optionLabel {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.check {
+  flex-shrink: 0;
+  color: var(--foreground);
+  opacity: 0.6;
+}
+
+/* ── Dark mode ─────────────────────────────── */
+[data-theme='dark'] .trigger {
+  border-color: var(--border);
+  background: var(--card, oklch(1 0 0 / 0.055));
+}
+
+[data-theme='dark'] .trigger:hover {
+  background: var(--card-hover, oklch(1 0 0 / 0.075));
+  border-color: var(--border-hover, oklch(1 0 0 / 0.14));
+}
+
+[data-theme='dark'] .trigger:focus-visible {
+  border-color: var(--ring, oklch(1 0 0 / 0.16));
+  box-shadow: 0 0 0 3px var(--ring, oklch(1 0 0 / 0.045));
+}
+
+[data-theme='dark'] .dropdown {
+  background: var(--popover, oklch(0.18 0.01 260 / 0.94));
+  border-color: var(--border);
+  box-shadow: 0 18px 48px -14px oklch(0 0 0 / 0.58), 0 4px 18px -10px oklch(0 0 0 / 0.42);
+}
+
+[data-theme='dark'] .dropdown::-webkit-scrollbar-thumb {
+  background: var(--border);
+}
+
+[data-theme='dark'] .option:hover,
+[data-theme='dark'] .optionFocused {
+  background: var(--hover-overlay, oklch(1 0 0 / 0.05));
+}
+
+[data-theme='dark'] .chevron {
+  opacity: 0.5;
+}

app/shared/src/ui/Select.test.tsx

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+import { describe, it, expect, vi } from 'vitest';
+import { render, screen, fireEvent } from '@testing-library/react';
+import '@testing-library/jest-dom/vitest';
+import { Select } from './Select';
+
+const options: Array<[string, string]> = [
+  ['a', 'Option A'],
+  ['b', 'Option B'],
+  ['c', 'Option C'],
+];
+
+describe('Select', () => {
+  it('renders placeholder when no value', () => {
+    render(<Select options={options} placeholder="Pick one" />);
+    expect(screen.getByText('Pick one')).toBeInTheDocument();
+  });
+
+  it('renders selected label when value is set', () => {
+    render(<Select options={options} value="b" />);
+    expect(screen.getByText('Option B')).toBeInTheDocument();
+  });
+
+  it('opens dropdown on trigger click', () => {
+    render(<Select options={options} placeholder="Select" />);
+    fireEvent.click(screen.getByRole('button'));
+    expect(screen.getByRole('listbox')).toBeInTheDocument();
+  });
+
+  it('calls onChange when option clicked', () => {
+    const onChange = vi.fn();
+    render(<Select options={options} value="a" onChange={onChange} />);
+    fireEvent.click(screen.getByRole('button'));
+    fireEvent.click(screen.getByText('Option B'));
+    expect(onChange).toHaveBeenCalledWith('b');
+  });
+
+  it('closes on Escape', () => {
+    render(<Select options={options} placeholder="Select" />);
+    fireEvent.click(screen.getByRole('button'));
+    expect(screen.getByRole('listbox')).toBeInTheDocument();
+    fireEvent.keyDown(screen.getByRole('listbox'), { key: 'Escape' });
+    expect(screen.queryByRole('listbox')).toBeNull();
+  });
+
+  it('navigates with ArrowDown and selects with Enter', () => {
+    const onChange = vi.fn();
+    render(<Select options={[['x', 'X'], ['y', 'Y']]} value="x" onChange={onChange} />);
+    fireEvent.click(screen.getByRole('button'));
+    fireEvent.keyDown(screen.getByRole('listbox'), { key: 'ArrowDown' });
+    fireEvent.keyDown(screen.getByRole('listbox'), { key: 'Enter' });
+    expect(onChange).toHaveBeenCalledWith('y');
+  });
+});