*.ts override makes ESLint lint .ts files

[privatenumber]

By default, ESLint only looks at files with the .js extension. However, after installing this plugin, this override causes it to lint .ts files too.

Since I am in a JS codebase with a manually written .d.ts file, I get parsing errors like this:

  12:9  error  Parsing error: Unexpected token const

on

index.d.ts

declare const myFunction: (name: string) => Promise<boolean>;

I would prefer it doesn't try to lint my .d.ts or ts files if I don't have the Typescript plugin installed.

Although there are workarounds for this, I think this is unexpected default behavior that shouldn't require patching on user-land.

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Workarounds:

• manually adding the rules from recommended
• adding "ignorePatterns": ["*.ts"]