lint-staged.config.js

module.exports = {
  '*.md': ['prettier --write --parser markdown'],
  '*.{yaml,yml}': ['prettier --write --parser yaml'],
  '*.json': ['yarn prettier --write --parser json'],
  '*.js': [
    'prettier --write',
    // NOTE: apparently if you pass some argument that is not a flag AFTER the `reporters`
    // flag, jest does not seem correctly parse the arguments.
    //
    //   No tests found related to files changed since last commit.
    //   Run Jest without `-o` or with `--all` to run all tests.
    //   Error: An error occurred while adding the reporter at path "/path/to/file".Reporter is not a constructor
    //
    // For that reason, we move the `--onlyChanged` flag next to it.
    'yarn lint:js --reporters=jest-silent-reporter --onlyChanged',
  ],
  '!(cypress)/**/*.{ts,tsx}': [
    'prettier --write',
    // NOTE: apparently if you pass some argument that is not a flag AFTER the `reporters`
    // flag, jest does not seem correctly parse the arguments.
    //
    //   No tests found related to files changed since last commit.
    //   Run Jest without `-o` or with `--all` to run all tests.
    //   Error: An error occurred while adding the reporter at path "/path/to/file".Reporter is not a constructor
    //
    // For that reason, we move the `--onlyChanged` flag next to it.
    'yarn lint:js --passWithNoTests --reporters=jest-silent-reporter --onlyChanged',

    // TODO remove the explicit inclusion of the emotion declaration once
    // https://github.com/gustavopch/tsc-files/issues/20 is resolved
  ],
  'cypress/**/*.ts': [
    'prettier --write',
    // NOTE: apparently if you pass some argument that is not a flag AFTER the `reporters`
    // flag, jest does not seem correctly parse the arguments.
    //
    //   No tests found related to files changed since last commit.
    //   Run Jest without `-o` or with `--all` to run all tests.
    //   Error: An error occurred while adding the reporter at path "/path/to/file".Reporter is not a constructor
    //
    // For that reason, we move the `--onlyChanged` flag next to it.
    'yarn lint:js --reporters=jest-silent-reporter --onlyChanged',
    () => 'yarn typecheck:cypress',
  ],
};