feat: 添加 EmptyPlaceholder 组件并更新相关页面
- 新增 EmptyPlaceholder 组件,用于统一处理空状态提示,提升用户体验。 - 更新多个页面(JsonTools、Jwt、QrCode、Timestamp)以使用 EmptyPlaceholder 组件,简化空状态的实现。 - 更新 README.md,添加 EmptyPlaceholder 组件的说明。
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import { describe, expect, it } from 'vitest';
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import { render, screen } from '@testing-library/react';
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import EmptyPlaceholder from '@/components/EmptyPlaceholder';
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describe('EmptyPlaceholder 组件', () => {
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it('应渲染字符串提示文本', () => {
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render(<EmptyPlaceholder>{'请输入内容'}</EmptyPlaceholder>);
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expect(screen.getByText('请输入内容')).toBeInTheDocument();
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});
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it('应应用规范空状态容器样式', () => {
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const { container } = render(<EmptyPlaceholder>{'提示'}</EmptyPlaceholder>);
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const placeholder = container.firstChild;
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expect(placeholder).toHaveClass(
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'rounded-xl',
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'bg-muted/30',
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'border-dashed',
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'border-border/80',
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'min-h-[120px]',
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);
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});
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it('应支持 className 自定义容器样式', () => {
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const { container } = render(
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<EmptyPlaceholder className="flex-1 min-h-[320px]">{'提示'}</EmptyPlaceholder>,
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);
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expect(container.firstChild).toHaveClass('flex-1', 'min-h-[320px]');
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});
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it('应支持 messageClassName 自定义文本样式', () => {
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render(<EmptyPlaceholder messageClassName="text-sm max-w-none">{'提示'}</EmptyPlaceholder>);
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expect(screen.getByText('提示')).toHaveClass('text-sm', 'max-w-none');
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});
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it('应支持 ReactNode 类型的 children', () => {
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render(
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<EmptyPlaceholder>
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<span data-testid="custom-content">自定义内容</span>
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</EmptyPlaceholder>,
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);
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expect(screen.getByTestId('custom-content')).toBeInTheDocument();
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});
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});
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