babel-plugin-umi-model

babel-plugin-umi-model

This plugin is used to automatically introduce the second parameter in umi's useModel, removing the unused value and avoiding the performance loss caused by repeated rendering of the component.

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📦 Install

npm i babel-plugin-umi-model --save-dev

or

pnpm add babel-plugin-umi-model -D

🔨 Usage

import { useModel } from "umi";

const { userInfo, token } = useModel("user");

⬇️

import { useModel } from "umi";

const { userInfo, token } = useModel("user", (model) => ({
  userInfo: model.userInfo,
  token: model.token,
}));

🖥 Config

1. .babelrc

This configuration is common to umi3 and umi4 versions

Remember to configure the .env file with BABELRC=true

{
  "plugins": [
    "umi-model"
  ]
}

2. extraBabelPlugins

This configuration is common to umi3 and umi4 versions

import { defineConfig } from "umi";
// import BabelPluginUmiModel from 'babel-plugin-umi-model'

export default defineConfig({
  extraBabelPlugins: [
    "umi-model",
    // [
    //   "umi-model",
    //     {
    //       extensions: [".jsx", ".tsx"],
    //       excludes: ['node_modules', 'src/.umi', 'src/.umi-production'],
    //     },
    //   ],
    // ],
    // BabelPluginUmiModel
  ],
});

3. plugins

umirc.js

import { defineConfig } from "umi";

export default defineConfig({
  plugins: ["./plugin-test"],
});

plugin-test.ts

import { IApi } from "umi";

export default (api: IApi) => {
  api.addBeforeBabelPlugins(() => {
    return ["umi-model"];
  });
};

Options

extensions

• Type: string[]
• Default: ['.jsx', '.tsx']

excludes

• Type: string[]
• Default: ['node_modules', 'src/.umi', 'src/.umi-production']