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babel-jsx-pragma-module-auto-import

v1.0.2

Published

use jsx to create element and auto import the self define module by using self define babel pragma, load module corresponding to JSX pragma.

Downloads

11

Readme

babel-jsx-pragma-module-auto-import

use jsx to create element and auto import the self define module by using self define babel pragma

Introduce

Plugin for babel 7+ to enable JSX for project, and it's a extension for @babel/preset-react to solve the problem module cannot auto import when using pragma.

@babel/preset-react has a pragma option that's used when transforming JSX to function calls instead of the default function React.createElement.

This Babel plugin is a companion to that feature that allows you to dynamically load a module associated with the pragma value.

Example:

Given this file:

const jsxComp = () => {
    return <div>anything</div>
}

export default jsxComp;

After use the plugin to auto import:

import { createElement } from "./lib";

const jsxComp = () => {
  return <div>anything</div>;
};

export default jsxComp;

How to install

npm i --save-dev babel-jsx-pragma-module-auto-import

How to use

Add the plugin to your package.json and update the plugin section in your .babelrc file. Or if your Babel settings are located inside the package.json - update the plugin section there.

It's important that you also include the babel-plugin-syntax-jsxplugin.

Example on a .babelrc file that will work:

Make sure plugin is added before babel module transformers

const path = require('path');
module.exports = {
    presets: [
        [
            '@babel/preset-react',
            {
                // 自定义createElement替代React.createElement
                pragma: 'createElement'
            }
        ],
        '@babel/preset-env'
    ],
    plugins: [
        [
            'module:babel-jsx-pragma-module-auto-import',
            {
                path: './lib',
                name: 'createElement'
            }
        ]
    ]
}