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@nova-fe/textarea

v1.0.0

Published

一个基于 React 的高性能 TextArea,支持拼写检查、撤销重做等功能。支持 2w+ 字符实时编辑。

Readme

@nova-fe/textarea

一个基于 React 的高性能 TextArea,支持拼写检查、撤销重做等功能。

✨ 特性

  • 🚀 高性能:支持 2w+ 字符实时编辑(60FPS)
  • 🔍 智能拼写检查:内置英语拼写检查,延时 < 500ms
  • 📝 自定义词典:支持添加/删除自定义单词
  • ↩️ 撤销重做:完整的撤销重做功能,保持原生编辑体验
  • 🎨 灵活样式:支持丰富的样式自定义
  • 🔧 TypeScript:完整的类型支持
  • 📦 轻量级:基于 Web Worker 的异步处理

📦 安装

npm install @nova-fe/textarea
# 或
yarn add @nova-fe/textarea
# 或
pnpm add @nova-fe/textarea

🚀 快速开始

基础 TextArea(非受控)

import { TextArea } from '@nova-fe/textarea';

function App() {
  return <TextArea placeholder="请输入内容..." />;
}

受控 TextArea

import { TextArea } from '@nova-fe/textarea';
import { useState } from 'react';

function App() {
  const [value, setValue] = useState('');

  return (
    <TextArea placeholder="请输入内容..." value={value} onChange={setValue} />
  );
}

带拼写检查的 TextArea

import { TextArea } from '@nova-fe/textarea';

function App() {
  return <TextArea placeholder="请输入内容..." spellcheck={true} />;
}

撤销重做 TextArea

import { TextAreaUndo } from '@nova-fe/textarea';

function App() {
  return <TextAreaUndo placeholder="请输入内容..." spellcheck={true} />;
}

📖 API 文档

TextArea Props

| 属性 | 类型 | 默认值 | 描述 | | ------------------ | ------------------------ | ----------- | ------------------ | | value | string | undefined | 受控模式下的值 | | onChange | (text: string) => void | undefined | 内容变化回调 | | placeholder | string | undefined | 占位符文本 | | spellcheck | boolean | false | 是否启用拼写检查 | | customDictionary | string[] | [] | 自定义词典单词列表 | | disabled | boolean | false | 是否禁用编辑 | | onFocus | () => void | undefined | 获得焦点回调 | | onBlur | () => void | undefined | 失去焦点回调 | | className | string | undefined | CSS 类名 |

样式属性

| 属性 | 类型 | 默认值 | 描述 | | ----------------- | ------------------ | --------------------- | -------- | | fontSize | string \| number | "14px" | 字体大小 | | lineHeight | string \| number | "1.5" | 行高 | | fontFamily | string | undefined | 字体族 | | padding | string \| number | "8px" | 内边距 | | minHeight | string \| number | "100px" | 最小高度 | | maxHeight | string \| number | undefined | 最大高度 | | borderRadius | string \| number | "6px" | 圆角 | | backgroundColor | string | "#fff" | 背景色 | | color | string | undefined | 文字颜色 | | border | string | "1px solid #d9d9d9" | 边框 |

TextAreaUndo Props

继承 TextArea 的所有属性,额外支持:

  • 自动撤销重做功能
  • Ctrl+Z / Cmd+Z 撤销
  • Ctrl+Y / Cmd+Shift+Z 重做

自定义词典 API

import { useSpellChecker } from '@nova-fe/textarea';

function App() {
  const { addWord, removeWord, getAllCustomWords } = useSpellChecker();

  const handleAddWord = () => {
    addWord('customword');
  };

  const handleRemoveWord = () => {
    removeWord('customword');
  };

  return (
    <div>
      <button onClick={handleAddWord}>添加单词</button>
      <button onClick={handleRemoveWord}>删除单词</button>
    </div>
  );
}

🎨 样式自定义示例

自定义外观

<TextArea
  placeholder="请输入内容..."
  fontSize="16px"
  lineHeight="1.6"
  fontFamily="'Helvetica Neue', Arial, sans-serif"
  padding="16px"
  minHeight="200px"
  borderRadius="8px"
  backgroundColor="#f8f9fa"
  color="#333"
  border="2px solid #e9ecef"
  spellcheck={true}
/>

深色主题

<TextArea
  placeholder="请输入内容..."
  backgroundColor="#1a1a1a"
  color="#ffffff"
  border="1px solid #333"
  spellcheck={true}
/>

⚙️ 配置

Vite 配置

如果在 Vite 项目中使用,可能需要调整配置:

import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';

export default defineConfig({
  plugins: [react()],
  optimizeDeps: {
    include: ['typo-js'],
  },
  worker: {
    format: 'es',
  },
});

Webpack 配置

对于 Webpack 项目,确保支持 Web Workers:

module.exports = {
  module: {
    rules: [
      {
        test: /\.worker\.js$/,
        use: { loader: 'worker-loader' },
      },
    ],
  },
};

🔧 高级用法

获取 TextArea 实例

import { TextArea, TextAreaHandle } from '@nova-fe/textarea';
import { useRef } from 'react';

function App() {
  const editorRef = useRef<TextAreaHandle>(null);

  const handleGetContent = () => {
    const element = editorRef.current?.getElement();
    console.log(element?.textContent);
  };

  return (
    <div>
      <TextArea ref={editorRef} />
      <button onClick={handleGetContent}>获取内容</button>
    </div>
  );
}

自定义拼写检查

import { TextArea, useSpellChecker } from '@nova-fe/textarea';

function App() {
  const { addWords, exportCustomDictionary } = useSpellChecker();

  const handleImportWords = () => {
    addWords(['word1', 'word2', 'word3']);
  };

  return (
    <div>
      <TextArea spellcheck={true} />
      <button onClick={handleImportWords}>导入单词</button>
    </div>
  );
}

🐛 常见问题

Q: 拼写检查不工作?

A: 确保设置了 spellcheck={true} 属性,并且浏览器支持 Web Workers。

Q: 撤销重做不生效?

A: 使用 TextAreaUndo 组件而不是 TextArea

Q: 样式不生效?

A: 检查是否使用了正确的样式属性名,避免使用 style 对象。

Q: 性能问题?

A: 对于大量文本,编辑器会自动启用增量检查和缓存优化。

📄 许可证

MIT License

🤝 贡献

欢迎提交 Issue 和 Pull Request!

📚 更多文档