tiptap Subscript下标扩展,和html的sub标签和内联样式的vertical-align: sub有相同的效果。
npm install @tiptap/extension-subscript
HTMLAttributes 自定义标签对应的HTML属性。
Subscript.configure({
HTMLAttributes: {
class: 'custom-class',
},
})
setSubscript 标记选中文本为下标。
editor.commands.setSubscript()
toggleSubscript 切换下标。
editor.commands.toggleSubscript()
unsetSubscript 移除选中文本下标。
editor.commands.unsetSubscript()
Command | Windows/Linux | macOS |
---|---|---|
toggleSubscript() | Control , | Cmd , |
Vue 例子
React 例子
<template>
<div v-if="editor">
<button @click="editor.chain().focus().toggleSubscript().run()" :class="{ 'is-active': editor.isActive('subscript') }">
toggleSubscript
</button>
<button @click="editor.chain().focus().setSubscript().run()" :disabled="editor.isActive('subscript')">
setSubscript
</button>
<button @click="editor.chain().focus().unsetSubscript().run()" :disabled="!editor.isActive('subscript')">
unsetSubscript
</button>
<editor-content :editor="editor" />
</div>
</template>
<script>
import Document from '@tiptap/extension-document'
import Paragraph from '@tiptap/extension-paragraph'
import Subscript from '@tiptap/extension-subscript'
import Text from '@tiptap/extension-text'
import { Editor, EditorContent } from '@tiptap/vue-3'
export default {
components: {
EditorContent,
},
data() {
return {
editor: null,
}
},
mounted() {
this.editor = new Editor({
extensions: [
Document,
Paragraph,
Text,
Subscript,
],
content: `
<p>正常文本</p>
<p>这个是<sub>下标</sub></p>
<p>这个也是<span style="vertical-align: sub"下标</span></p>
`,
})
},
beforeUnmount() {
this.editor.destroy()
},
}
</script>
import Document from '@tiptap/extension-document'
import Paragraph from '@tiptap/extension-paragraph'
import Subscript from '@tiptap/extension-subscript'
import Text from '@tiptap/extension-text'
import { EditorContent, useEditor } from '@tiptap/react'
import React from 'react'
export default () => {
const editor = useEditor({
extensions: [Document, Paragraph, Text, Subscript],
content: `
<p>这个是正常文本</p>
<p>这个是<sub>下标</sub></p>
<p>这个也是<span style="vertical-align: sub"下标</span></p>
`,
})
if (!editor) {
return null
}
return (
<>
<button
onClick={() => editor.chain().focus().toggleSubscript().run()}
className={editor.isActive('subscript') ? 'is-active' : ''}
>
toggleSubscript
</button>
<button
onClick={() => editor.chain().focus().setSubscript().run()}
disabled={editor.isActive('subscript')}
>
setSubscript
</button>
<button
onClick={() => editor.chain().focus().unsetSubscript().run()}
disabled={!editor.isActive('subscript')}
>
unsetSubscript
</button>
<EditorContent editor={editor} />
</>
)
}
本教程Demo的源码点击这里下载,Tiptap Demo,下载完成后运行npm i初始化依赖包。