eslint/eslint-plugin-react:not finding .jsx files

Question

I'm using eslint on a react app for the first time, and while it's checking .js files perfectly well, it's not finding any .jsx files. Admittedly my understanding is hazy, but I thought eslint-plugin-react automatically scanned .jsx files as well with parserOptions.ecmaFeatures.jsx set to true?

If I run npm run:lint -- --ext .jsx then jsx files are scanned correctly, but not with a default npm run:lint command

My .eslintrc here:

{
  "plugins": [
    "react"
  ],
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "es6":     true,
    "browser": true,
    "node":    true,
    "mocha":   true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
  "plugin:react/recommended"
  ],
  "rules": {
  }
}

Anthony N · Accepted Answer · 2018-01-25 04:27:41Z

3

It looks like using the --ext CLI flag is the only way to specify file extensions. See the documentation below.

https://eslint.org/docs/2.0.0/user-guide/configuring#specifying-file-extensions-to-lint

One thing you could do is to include the flag as part of your npm command. For example, npm run lint could run eslint --ext .jsx so that you don't have to type it manually.

answered Jan 25, 2018 at 4:27

Anthony N

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