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minify-cssinjs-loader

0.1.4
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  • License MIT

A webpack loader to minify your css-in-js.

Package Exports

  • minify-cssinjs-loader

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (minify-cssinjs-loader) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

minify-cssinjs-loader

Build Status npm npm

A webpack loader to minify your css-in-js.

Install

yarn add -D minify-cssinjs-loader # or npm i -D minify-cssinjs-loader

Why

before:

let cls1 = css`
  color: red;
  .cls1 {
  display: block;
  background: url('...') no-repeat;

  & > h2 {
    color: red;
    font-size: ${size}px;
  }
}
`

after:

let cls1 = css`color:red;.cls1{display:block;background:url('...') no-repeat;&>h2{color:red;font-size:${size}px;}}`

Usage

awesome-typescript-loader example:

import { defaultTagRules } from 'minify-cssinjs-loader'

module.exports = {

  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: [{
          loader: "awesome-typescript-loader",
          options: {
            useTranspileModule: true,
            transpileOnly: true,
            declaration: false,
            instance: 'at-loader2'
          }
        }, {
          loader: 'minify-cssinjs-loader',
          options: {
            // default is ['css', 'injectGlobal', /^styled(\.[a-z]+|\(([A-Z][a-z]+|['"][a-z]+["'])\))$/],
            // you can override or append custom trule default tagRules,
            // it accepts string/RedExp/Function.
            //
            // tagRules: [...], // override default rules.
            // tagRules: defaultTagRules.concat(...), // append new rules
            // recast: { ... }, custom parameters passed to recast(https://github.com/benjamn/recast).
          }
        }, {
          loader: "awesome-typescript-loader",
          options: {
            target: 'ESNEXT',
            declaration: !__DEV__,
            useTranspileModule: __DEV__,
          },
        }, ],
      },
    ]
  }
}

babel-loader example:

module.exports = {

  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: [{
          loader: "awesome-typescript-loader",
          options: {
            useTranspileModule: true,
            transpileOnly: true,
            declaration: false,
            instance: 'at-loader2'
          }
        }, {
          loader: 'minify-cssinjs-loader',
        }],
      },
    ]
  }
}

License

MIT