ESLint: TypeError: this.libOptions.parse is not a function

spark_sara

I was getting started with Next.js on WebStorm 2022.2.1 Build #WS-222.3739.57. I created a new Next.js project with TypeScript enabled, and that's all. The error is shown below: TypeError: this.libOptions.parse is not a function TypeError: this.libOptions.parse is not a function at ESLint8Plugin.<anonymous> (C:\Program Files\JetBrains\WebStorm 2022.1.2\plugins\JavaScriptLanguage\languageService\eslint\bin\eslint8-plugin.js:139:64) at step...

Originally asked by Thebluedragon on Stack Exchange (stackoverflow) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

The issue is tracked at WEB-57089 , and it is fixed in 2022.2.2 preview build . The issue is caused by the changes introduced in ESLint 8.23 (offending upstream commit: View on GitHub ). Downgrading ESLint to 8.22.x or earlier (with npm install eslint@8.22.0 --save-exact ) should help.

Full answer by lena: https://stackoverflow.stackexchange.com/a/73510759 (CC BY-SA 4.0).

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