By default, eslint only lints files with a .js extension[1]. Eslint plugins are what allow eslint to support more languages. A list can be found here[2]. For t

By default, eslint only lints files with a .js extension[1]. Eslint plugins are what allow eslint to support more languages. A list can be found here[2]. For the record, prettier can also be extended to support more languages[3]. [1] https://eslint.org/docs/latest/use/command-line-interface#--ext https://eslint.org/docs/latest/use/command-line-interface#--... [2] https://github.com/dustinspecker/awesome-eslint#plugins https://github.com/dustinspecker/awesome-eslint#plugins [3] https://prettier.io/docs/en/plugins#official-plugins https://prettier.io/docs/en/plugins#official-plugins