On this page of ReSharper options you can enable and configure the ESLint linter so that ReSharper could use the linter rules to validate and fix TypeScript code in the editor.
|Choose ESLint package location|
If ESLint package is installed on your machine and used in your project, ReSharper will find it automatically in most cases. If it is not found, you can specify its location manually. In any case, ReSharper will show whether the linter package is found or not.
|Choose a way of ESLint configuration|
In most cases, ReSharper will automatically find ESLint configuration files in their typical locations. If necessary, you can specify the configuration file manually.
|Additional ESLint options|
Use this field to pass any additional command-line options separated with space.