Function withOverride

packages/node-runtime/src/data-dir-compat.test.ts:39–56

(value: string | undefined, fn: () => T)

}

function withOverride<T>(value: string | undefined, fn: () => T): T {
  const previous = process.env.CHATLAB_ALLOW_INCOMPATIBLE_DATA_DIR
  if (value === undefined) {
    delete process.env.CHATLAB_ALLOW_INCOMPATIBLE_DATA_DIR
  } else {
    process.env.CHATLAB_ALLOW_INCOMPATIBLE_DATA_DIR = value
  }

  try {
    return fn()
  } finally {
    if (previous === undefined) {
      delete process.env.CHATLAB_ALLOW_INCOMPATIBLE_DATA_DIR
    } else {
      process.env.CHATLAB_ALLOW_INCOMPATIBLE_DATA_DIR = previous
    }
  }
}

test('missing data dir compatibility meta is compatible', () => {
  const userDataDir = makeTempDir()