Repository: facebook/jest
File: packages/jest-cli/src/args.ts (TypeScript)

Code before:
    type: 'array',
  },
  runInBand: {
    alias: 'i',
    description:
      'Run all tests serially in the current process (rather than ' +
      'creating a worker pool of child processes that run tests). This ' +
      'is sometimes useful for debugging, but such use cases are pretty ' +
      'rare.',
    type: 'boolean',
  },
  runTestsByPath: {
    description:
      'Used when provided patterns are exact file paths. This avoids ' +
      'converting them into a regular expression and matching it against ' +
      'every single file.',
    type: 'boolean',
  },
  runner: {
    description:
      "Allows to use a custom runner instead of Jest's default test runner.",
    type: 'string',
  },
  seed: {
    description:
      'Provides a seed number that the tests have access to via jest.getSeed(). If this option is not specified Jest will randomly generate a seed. The seed value must be between -0x80000000 to 0x7fffffff inclusive.',
    type: 'number',
  },
  selectProjects: {
    description:
      'Run the tests of the specified projects. ' +
      'Jest uses the attribute `displayName` in the configuration to identify each project.',
    string: true,
    type: 'array',
  },
  setupFiles: {
    description:
      'A list of paths to modules that run some code to configure or ' +
      'set up the testing environment before each test.',
    string: true,
    type: 'array',
  },
  setupFilesAfterEnv: {
    description:
      'A list of paths to modules that run some code to configure or ' +
      'set up the testing framework before each test',
    string: true,
    type: 'array',
  },
  shard: {
    description:

Review comment (suggestion):
```suggestion
      'Sets a seed value that can be retrieved in a tests file via `jest.getSeed()`. If this option is not specified Jest will randomly generate the value. The seed value must be between `-0x80000000` and `0x7fffffff` inclusive.',
```

Code after:
    type: 'array',
  },
  runInBand: {
    alias: 'i',
    description:
      'Run all tests serially in the current process (rather than ' +
      'creating a worker pool of child processes that run tests). This ' +
      'is sometimes useful for debugging, but such use cases are pretty ' +
      'rare.',
    type: 'boolean',
  },
  runTestsByPath: {
    description:
      'Used when provided patterns are exact file paths. This avoids ' +
      'converting them into a regular expression and matching it against ' +
      'every single file.',
    type: 'boolean',
  },
  runner: {
    description:
      "Allows to use a custom runner instead of Jest's default test runner.",
    type: 'string',
  },
  seed: {
    description:
      'Sets a seed value that can be retrieved in a tests file via `jest.getSeed()`. If this option is not specified Jest will randomly generate the value. The seed value must be between `-0x80000000` and `0x7fffffff` inclusive.',
    type: 'number',
  },
  selectProjects: {
    description:
      'Run the tests of the specified projects. ' +
      'Jest uses the attribute `displayName` in the configuration to identify each project.',
    string: true,
    type: 'array',
  },
  setupFiles: {
    description:
      'A list of paths to modules that run some code to configure or ' +
      'set up the testing environment before each test.',
    string: true,
    type: 'array',
  },
  setupFilesAfterEnv: {
    description:
      'A list of paths to modules that run some code to configure or ' +
      'set up the testing framework before each test',
    string: true,
    type: 'array',
  },
  shard: {
    description: