在vue中使用jsx

前端 2022-06-17

在vue中使用jsx

2022-06-17

前端

一个人追求的目标越高，他的才能就发展得越快，对社会就越有益，我确信这也是一个真理。——玛克西姆·高尔基

首先是官方文档

vue2的：https://cn.vuejs.org/v2/guide/render-function.html#JSX

vue3的：https://v3.cn.vuejs.org/guide/render-function.html#jsx

我们这里以vue2举例：

先使用render函数写一个最简单的jsx组件

<script>
export default {
    render() {
        return <div>Hello World</div>
    }
}
</script>

<style>
</style>

注意此处不能有template标签，其他的该咋用就咋用

还有的区别在这个链接里：https://github.com/vuejs/jsx#installation

如果有react的基础，上手这个就很容易啦

<div id="ul" class="ul">
    {Array.from({ length: 20 }, (i, len) => (
        <div class="li">
            <div class={"mar mar" + len}>
                <span class="checkbox"></span>
                <input type="checkbox" />
            </div>
        </div>
    ))}
</div>

注意要使用v-html时，应更换为

1	<p domPropsInnerHTML={html} />

其他类似的按照链接内容中即可

Babel Preset JSX

Configurable Babel preset to add Vue JSX support. See the configuration options here.

Compatibility

This repo is only compatible with:

Babel 7+. For Babel 6 support, use vuejs/babel-plugin-transform-vue-jsx

Vue 2+. JSX is not supported for older versions. For Vue 3 support, there is an experimental plugin available as @ant-design-vue/babel-plugin-jsx.

Installation

Install the preset with:
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npm install @vue/babel-preset-jsx @vue/babel-helper-vue-jsx-merge-props
Then add the preset to babel.config.js:
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module.exports = {
  presets: ['@vue/babel-preset-jsx'],
}
Syntax

Content
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render() {
  return <p>hello</p>
}
with dynamic content:
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render() {
  return <p>hello { this.message }</p>
}
when self-closing:
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render() {
  return <input />
}
with a component:
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import MyComponent from './my-component'

export default {
  render() {
    return <MyComponent>hello</MyComponent>
  },
}
Attributes/Props
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render() {
  return <input type="email" />
}
with a dynamic binding:
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render() {
  return <input
    type="email"
    placeholder={this.placeholderText}
  />
}
with the spread operator (object needs to be compatible with Vue Data Object):
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render() {
  const inputAttrs = {
    type: 'email',
    placeholder: 'Enter your email'
  }

  return <input {...{ attrs: inputAttrs }} />
}
Slots

named slots:
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render() {
  return (
    <MyComponent>
      <header slot="header">header</header>
      <footer slot="footer">footer</footer>
    </MyComponent>
  )
}
scoped slots:
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render() {
  const scopedSlots = {
    header: () => <header>header</header>,
    footer: () => <footer>footer</footer>
  }

  return <MyComponent scopedSlots={scopedSlots} />
}
Directives
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<input vModel={this.newTodoText} />
with a modifier:
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<input vModel_trim={this.newTodoText} />
with an argument:
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<input vOn:click={this.newTodoText} />
with an argument and modifiers:
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<input vOn:click_stop_prevent={this.newTodoText} />
v-html:
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<p domPropsInnerHTML={html} />
Functional Components

Transpiles arrow functions that return JSX into functional components, when they are either default exports:
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export default ({ props }) => <p>hello {props.message}</p>
or PascalCase variable declarations:
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const HelloWorld = ({ props }) => <p>hello {props.message}</p>