Answers for "process' is not defined.eslint no-undef"

process' is not defined.eslint no-undef

in your eslint file .eslintrc.json or .eslintrc.js file
make sure you include either node or browser "true"

check example

module.exports = {
  env: {
    node: true,
    browser: true,
    es6: true,
  },
}

ESLint: 'test' is not defined.(no-undef)

module.exports = {
  env: {
    jest: true
  },
//...
}