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vite-preprocess

v1.1.2

Published

vite条件编译工具

Downloads

15

Readme

vite-preprocess

Introduction

vite-preprocess-loader支持vue项目中使用条件编译功能.

条件编译支持:

@ifdef 变量名
  code...
@endif
@ifndef 变量名
  code...
@endif

Example

<script setup lang="ts">
// @ifdef web
console.log('hello world!')
// @endif
</script>
<template>
    <div class="wrapper">
      <!-- @ifdef web -->
      <h1>web</h1>
      <!-- @endif -->
      <!-- @ifndef web -->
      <h1>not web</h1>
      <!-- @endif -->
    </div>
</template>

<style scoped>
.wrapper {
  line-height: 1.5;
  max-height: 100vh;
  /* @ifdef web */
  color: red;
  /* @endif */
  /* @ifdef h5 */
  font-size: 100px;
  font-weight: bold;
  /* @endif */
}
</style>

Install

npm install vite-preprocess

Usage

需要在项目运行的时候添加临时node的环境变量platform

vite.config.ts
import vitePreprocess from 'vite-preprocess'

export default defineConfig({
  plugins: [vitePreprocess(), vue()],
  // esbuild: false, // esbuild默认过滤注释内容
  esbuild: {
    legalComments: 'none', // * 一定要设置'legalComments: none'或者 'esbuild: false' ,不用esbuild处理注释内容.
  }
})
package.json
"scripts": {
    "serve": "cross-env platform=h5 vite"
}

All directives

@ifdef 变量 /@endif 包括定义其中的代码块
@ifndef 变量 /@endif 不包括其中定义的代码块