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【搬运】jsx在Vue中的使用(英文原版)

Babel Preset JSX

原文地址:github.com/vuejs/jsx/b…

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

Installation

Install the preset with:

npm install @vue/babel-preset-jsx @vue/babel-helper-vue-jsx-merge-props
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Then add the preset to .babelrc:

{
  "presets": ["@vue/babel-preset-jsx"]
}
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Syntax

Content

render() {
  return <p>hello</p>
}
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with dynamic content:

render() {
  return <p>hello { this.message }</p>
}
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when self-closing:

render() {
  return <input />
}
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with a component:

import MyComponent from './my-component'

export default {
  render() {
    return <MyComponent>hello</MyComponent>
  }
}
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Attributes/Props

render() {
  return <input type="email" />
}
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with a dynamic binding:

render() {
  return <input
    type="email"
    placeholder={this.placeholderText}
  />
}
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with the spread operator (object needs to be compatible with Vue Data Object):

render() {
  const inputAttrs = {
    type: 'email',
    placeholder: 'Enter your email'
  }

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

<input vModel="newTodoText" />
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with a modifier:

<input vModel_trim="newTodoText" />
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with an argument:

<input vOn:click="newTodoText" />
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with an argument and modifiers:

<input vOn:click_stop_prevent="newTodoText" />
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Functional Components

Transpiles arrow functions that return JSX into functional components, when they are either default exports:

export default ({ props }) => <p>hello { props.message }</p>
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or PascalCase variable declarations:

const HelloWorld = ({ props }) => <p>hello { props.message }</p>
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Compatibility

This repo is only compatible with:

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