pnpm create vite

├── node_modules
├── packages
├── example
├── index.html
├── package.json
├── pnpm-lock.yaml
├── tsconfig.json
├── tsconfig.node.json
└── vite.config.ts

// index.html
<script type="module" src="/example/main.tsx"></script>

import { readFileSync } from 'fs'
import path from 'path'
import { defineConfig } from 'vite'

import react from '@vitejs/plugin-react'

const packageJson = JSON.parse(
  readFileSync('./package.json', { encoding: 'utf-8' }),
)
const globals = {
  ...(packageJson?.dependencies || {}),
}

function resolve(str: string) {
  return path.resolve(__dirname, str)
}

export default defineConfig({
  plugins: [react()],
  build: {
    // 输出文件夹
    outDir: 'dist',
    lib: {
      // 组件库源码的入口文件
      entry: resolve('packages/index.tsx'),
      // 组件库名称
      name: 'demo-design',
      // 文件名称, 打包结果举例: suemor.cjs
      fileName: 'suemor',
      // 打包格式
      formats: ['es', 'cjs'],
    },
    rollupOptions: {
      //排除不相关的依赖
      external: ['react', 'react-dom', ...Object.keys(globals)],
    },
  },
})

pnpm i less clsx -D

import { CSSProperties, HTMLAttributes } from 'react'

/**
 * @title Tag
 */
export interface TagProps
  extends Omit<HTMLAttributes<HTMLDivElement>, 'className' | 'ref'> {
  style?: CSSProperties
  className?: string | string[]
  /**
   * @zh 设置标签背景颜色
   * @en The background color of Tag
   */
  color?: Colors
}

type Colors = 'red' | 'orange' | 'green' | 'blue'

import clsx from 'clsx'
import { forwardRef } from 'react'
import './style'
import { TagProps } from './interface'

const Tag: React.ForwardRefRenderFunction<HTMLDivElement, TagProps> = (
  props,
  ref,
) => {
  const { className, style, children, color, ...rest } = props

  return (
    <div
      ref={ref}
      style={style}
      {...rest}
      className={clsx(className,'s-tag', `s-tag-${color}`)}
    >
      {children}
    </div>
  )
}

const TagComponent = forwardRef<unknown, TagProps>(Tag)

TagComponent.displayName = 'Tag'

export default TagComponent
export { TagProps }

@colors: red, orange, green, blue;

.s-tag {
  display: inline;
  padding: 2px 10px;
  each(@colors, {
    &-@{value} {
      background-color: @value;
      color: #fff;
    }
  });
}

import './index.less';

export type { TagProps } from './Tag/interface'

export { default as Tag } from './Tag'

pnpm i @rollup/plugin-typescript@8.5.0 -D    //这里最新版本似乎有些奇怪问题，所以我们先安装下 8.5.0 版本

import typescript from '@rollup/plugin-typescript'

plugins: [
    react(),
    typescript({
      target: 'es5',
      rootDir: resolve('packages/'),
      declaration: true,
      declarationDir: resolve('dist'),
      exclude: resolve('node_modules/**'),
      allowSyntheticDefaultImports: true,
    }),
  ],

{
  "name": "@suemor/demo-design",
  "version": "0.0.1",
  "type": "module",
  "main": "./dist/suemor.cjs",
  "module": "./dist/suemor.js",
  "types": "./dist/index.d.ts",
  "exports": {
    ".": {
      "require": "./dist/suemor.cjs",
      "import": "./dist/suemor.js"
    },
    "./style": "./dist/style.css"
  },
  "publishConfig": {
    "access": "public"
  },
    //指定你要上传到 npm 上的文件夹
  "files": [
    "dist"
  ],
  ...
}

npm publish

import { Tag } from "@suemor/demo-design";
import '@suemor/demo-design/style'

const App = () => {
  return (
    <div>
      <Tag color="orange">我是标签</Tag>
    </div>
  );
};

export default App;

pnpm i vitest jsdom @testing-library/react -D

/// <reference types="vitest" />

test: {
    globals: true,
    environment: 'jsdom',
    coverage: {
      reporter: [ 'text', 'json', 'html' ]
    }
  }

"scripts": {
  "dev": "vite",
  "build": "tsc && vite build",
  "preview": "vite preview",
  "test": "vitest"
}

import { describe, expect, it, vi } from 'vitest'

import { fireEvent, render, screen } from '@testing-library/react'

import { Tag, TagProps } from '../..'

const defineColor: Array<Pick<TagProps, 'color'> & { expected: string }> = [
  { color: 'red', expected: 's-tag-red' },
  { color: 'orange', expected: 's-tag-orange' },
  { color: 'green', expected: 's-tag-green' },
  { color: 'blue', expected: 's-tag-blue' },
]

const mountTag = (props: TagProps) => {
  return render(<Tag {...props}>Hello</Tag>)
}

describe('tag click', () => {
  const handleCallback = vi.fn()
  const tag = mountTag({ onClick: handleCallback })
  it('tag click event excuted correctly', () => {
    fireEvent.click(tag.container.firstChild as HTMLDivElement)
    expect(handleCallback).toHaveBeenCalled()
  })
})

describe.each(defineColor)('Tag color test', ({ color, expected }) => {
  it('tag color', () => {
    const tag = mountTag({ color })
    const element = tag.container.firstChild as HTMLDivElement
    expect(element.classList.contains(expected)).toBeTruthy()
  })
})