I encountered an issue while attempting to execute a spec.ts file in the Jasmine Framework. After installing @types/core-js version 0.9.46 using the command npm i @types/core-js, I started receiving the following error messages:
>
../../node_modules/@types/core-js/index.d.ts(358,34): error TS2304:
> Cannot find name 'PropertyKey'.
> ../../node_modules/@types/core-js/index.d.ts(359,34): error TS2304:
> Cannot find name 'PropertyKey'.
... (repeats multiple times) ...
It is recommended to use core-js solely as a polyfill. Avoid installing npm i @types/core-js. Instead, utilize the lib option in your tsconfig.json:
"compilerOptions": {
"lib": ["dom", "es6"]
}
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