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weapp-tailwindcss-webpack-plugin

1.0.1
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  • License MIT

weapp-tailwindcss-webpack-plugin

Package Exports

  • weapp-tailwindcss-webpack-plugin
  • weapp-tailwindcss-webpack-plugin/dist/index.js

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 (weapp-tailwindcss-webpack-plugin) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

weapp-tailwindcss-webpack-plugin

tailwindcss JIT 带入小程序吧!

笔者之前写了一个 tailwindcss-miniprogram-preset,可是那个方案不能兼容最广泛的 Just in time 引擎,在写法上也有些变体。

于是笔者又写了一个 weapp-tailwindcss-webpack-plugin,这是一个 webpack plugin,它会同时处理类 wxmlwxss 文件,从而我们开发者,不需要更改任何代码,就能让 jit 引擎兼容微信小程序。

此方案可兼容 tailwindcss v2/v3webpack v4/v5postcss v7/v8

Usage

uni-app

由于 uni-app 内置的 webpack 版本为 4 , postcss 版本为 7

1. 于是我们开始安装:

yarn add -D weapp-tailwindcss-webpack-plugin postcss-rem-to-responsive-pixel tailwindcss@npm:@tailwindcss/postcss7-compat postcss@^7 autoprefixer@^9

2. 然后添加 tailwind.config.js:

// 基础配置,无需任何preset
// https://github.com/sonofmagic/weapp-tailwindcss-webpack-plugin/blob/main/demo/uni-app/tailwind.config.js
/** @type {import('@types/tailwindcss/tailwind-config').TailwindConfig} */
module.exports = {
  mode: 'jit',
  purge: {
    content: ['./src/**/*.{vue,js,ts,jsx,tsx,wxml}']
  },
  darkMode: false, // or 'media' or 'class'
  theme: {
    extend: {}
  },
  variants: {},
  plugins: []
}

3. 再添加 postcss.config.js

// 参考示例
// https://github.com/sonofmagic/weapp-tailwindcss-webpack-plugin/blob/main/demo/uni-app/postcss.config.js
const path = require('path')
module.exports = {
  parser: require('postcss-comment'),
  plugins: [
    require('postcss-import')({
      resolve(id, basedir, importOptions) {
        if (id.startsWith('~@/')) {
          return path.resolve(process.env.UNI_INPUT_DIR, id.substr(3))
        } else if (id.startsWith('@/')) {
          return path.resolve(process.env.UNI_INPUT_DIR, id.substr(2))
        } else if (id.startsWith('/') && !id.startsWith('//')) {
          return path.resolve(process.env.UNI_INPUT_DIR, id.substr(1))
        }
        return id
      }
    }),
    require('autoprefixer')({
      remove: process.env.UNI_PLATFORM !== 'h5'
    }),
    // tailwindcss for postcss7
    require('tailwindcss')({ config: './tailwind.config.js' }),
    // rem 转 rpx
    require('postcss-rem-to-responsive-pixel/postcss7')({
      rootValue: 32,
      propList: ['*'],
      transformUnit: 'rpx'
    }),
    require('@dcloudio/vue-cli-plugin-uni/packages/postcss')
  ]
}

4. 添加 .env 设置 TAILWIND_MODE

# https://github.com/sonofmagic/weapp-tailwindcss-webpack-plugin/blob/main/demo/uni-app/.env
# 假如 jit 模式 HMR 失效
TAILWIND_MODE=watch

这是为了兼容 postcss7 的 HMR 方案,如果你是用的是 postcss8 就不需要了。

5. 在 src/App.vue 中添加:

<script lang="ts">
import Vue from 'vue'
export default Vue.extend({
  mpType: 'app',
  onLaunch() {
    console.log('App Launch')
  },
  onShow() {
    console.log('App Show')
  },
  onHide() {
    console.log('App Hide')
  }
})
</script>

<style lang="scss">
// 小程序不需要 'base' 'components',里面标签是给 html 准备的
// @import 'tailwindcss/base';
// @import 'tailwindcss/components';
@import 'tailwindcss/utilities';
/*每个页面公共css */
</style>

把工具类添加进来。

6. 在根目录下添加 vue.config.js

// vue.config.js
const {
  UniAppWeappTailwindcssWebpackPluginV4
} = require('weapp-tailwindcss-webpack-plugin')

/**
 * @type {import('@vue/cli-service').ProjectOptions}
 */
const config = {
  //....
  configureWebpack: {
    plugins: [new UniAppWeappTailwindcssWebpackPluginV4()]
  }
  //....
}

module.exports = config

现在,您就可以在 uni-app 中使用 jit 的大部分特性了!

taro

TODO

原生微信小程序

TODO

其他小程序

暂时只处理了wxmlwxss, 还未进行处理 TODO