How ESLint, Husky and Lint-Staged are configured?

package.json

{
  "name": "my_javascript_project",
  "version": "1.0.0",
  ...
  "scripts": {
    "lint": "./node_modules/.bin/eslint ./app/**/*.*js* --fix",
    ...
  },
  "husky": {
    "hooks": {
      "pre-commit": "lint-staged"
    }
  },
  "lint-staged": {
    "*.(js|jsx)": [
      "npm run ./node_modules/.bin/eslint --fix",
      "git add"
    ]
  },
  ...
}