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Like #5497 please add TSLint Language Service plugin.

And give an option to declare it in the tsconfig.json like this:

{ "compilerOptions": { "plugins": [ { "name": "tslint-language-service"} ] } }

This TypeScript plugin can be used with any IDE (VSCode, WebStorm, Eclipse, etc) to provide tslint diagnostic and codefix in your editor.

Thanks!