错误产生环境

启动vue 项目时产生

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错误描述

Module build failed: TypeError: this.getOptions is not a function
    at Object.loader (G:\狂\VueStudy\hello-vue\node_modules\_sass-loader@12.4.0@sass-loader\dist\index.js:25:24)

 @ ./node_modules/vue-style-loader!./node_modules/css-loader?{"sourceMap":true}!./node_modules/vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-26084dc2","scoped":true,"hasInlineConfig":false}!./node_modules/_sass-loader@12.4.0@sass-loader/dist/cjs.js?{"sourceMap":true}!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/views/Login.vue 4:14-390 13:3-17:5 14:22-398
 @ ./src/views/Login.vue
 @ ./src/router/index.js
 @ ./src/main.js
 @ multi (webpack)-dev-server/client?http://localhost:8080 webpack/hot/dev-server ./src/main.js

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错误原因

sass-loader 的版本太高了，需要降下来。

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解决办法

1.在package.json 文件中修改sass-loader 的版本

"sass-loader": "^7.3.1",

2.由于修改了package.json 文件，我们需要重写下载依赖

npm install

3.启动

npm run dev

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