vue3使用less与scss

less

// 1.安装less、less-loader
npm i less-loader less --save-dev
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// 2.安装style-resources-loader
npm i style-resources-loader --save-dev
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//3.安装vue-cli-plugin-style-resources-loader
npm i vue-cli-plugin-style-resources-loader --save-dev
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//4.配置vue.config.js

const path = require('path');
module.exports = {
  transpileDependencies: [
    'vuetify'
  ],
  pluginOptions: {
    "style-resources-loader": {
        preProcessor: "less",
        patterns: [
           // 存放less变量文件的路径
            path.resolve(__dirname, "./src/assets/less/parameter.less")
        ]
    }
},
css: {
    loaderOptions: {
        less: {
            lessOptions: {
                modifyVars: {
                    'primary-color': '#ec6800'
                },
                javascriptEnabled: true,
            },
        },
    },
}
}
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// PS：如果安装以上插件，运行报错时：
Syntax Error: TypeError: this.getOptions is not a function
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说明less版本太高了，卸载重装7.x版本即可
// 卸载
npm uninstall --save less-loader
// 安装
npm install -D less-loader@7.x
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scss