跑步时
npm run dev我突然开始得到错误几乎没有任何改变的项目代码：
TypeError: Class extends value undefined is not a constructor or null
at Object.618 (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:100)
at __nccwpck_require__ (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:11735)
at Object.270 (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:413)
at __nccwpck_require__ (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:11735)
at Object.327 (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:260)
at __nccwpck_require__ (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:11735)
at Object.845 (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:3733)
at __nccwpck_require__ (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:11735)
at /Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:11863
at Object.<anonymous> (/Users/EugeneBos/Websites/dotalaning/node_modules/next/dist/compiled/postcss-scss/scss-syntax.js:1:11889)
at Module._compile (node:internal/modules/cjs/loader:1108:14)
at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)
at Module.load (node:internal/modules/cjs/loader:973:32)
at Function.Module._load (node:internal/modules/cjs/loader:813:14)
at Module.require (node:internal/modules/cjs/loader:997:19)
at require (node:internal/modules/cjs/helpers:92:18)修改应用程序的代码使其不包含任何文件或加载任何内容仍会产生相同的错误。
4条答案
按热度按时间ao218c7q1#
好的，删除node_modules并重新安装所有组件已经有所帮助。
lb3vh1jj2#
我知道
rm -rf没有什么问题，但是**npkill**是一个非常好的工具：npx npkill1.删除相应的
node_modules文件夹yarn或npm isvdrlsy43#
如果你把yarn和npm依赖项混在一起，也可能会发生这种情况。
这在我的情况下起作用
ia2d9nvy4#
只是更新npm...
有时它与npm版本有关，尝试使用最新版本的npm。这发生在我的v6.14上，一旦我将npm更新到v8.1，问题就解决了。