VUE前端打包報錯：TypeError: Class extends value undefined is not a constructor or null

郭小睿發表於2024-03-19
Vue前端ErrorUndefinedStructNull

在執行npm run build的時候遇到了錯誤：TypeError: Class extends value undefined is not a constructor or null；而執行npm run serve是可以正常執行的，報錯如下：

building for production... ERROR  TypeError: Class extends value undefined is not a constructor or null
TypeError: Class extends value undefined is not a constructor or null
    at Object.<anonymous> (D:\JavaWorkSpace\jeecg\jeecg-boot\ant-design-vue-jeecg\node_modules\mini-css-extract-plugin\dist\CssDependency.js:12:46)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)
    at require (internal/modules/cjs/helpers.js:88:18)
    at Object.<anonymous> (D:\JavaWorkSpace\jeecg\jeecg-boot\ant-design-vue-jeecg\node_modules\mini-css-extract-plugin\dist\index.js:12:45)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)
    at Module.require (internal/modules/cjs/loader.js:952:19)
    at Object.<anonymous> (D:\JavaWorkSpace\jeecg\jeecg-boot\ant-design-vue-jeecg\node_modules\mini-css-extract-plugin\dist\cjs.js:3:18)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)

執行npm install --save-dev mini-css-extract-plugin //在專案開發依賴中安裝解決

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