Function transform

packages/babel-plugin-formatjs/tests/index.test.ts:282–311

(
  filePath: string,
  options: Options = {},
  {multiplePasses = false} = {}
)

let cacheBust = 1

function transform(
  filePath: string,
  options: Options = {},
  {multiplePasses = false} = {}
) {
  function getPluginConfig() {
    return [plugin, options, Date.now() + '' + ++cacheBust]
  }

  return transformFileSync(filePath, {
    presets: [
      [
        '@babel/preset-env',
        {
          targets: {
            node: '14',
            esmodules: true,
          },
          modules: false,
          useBuiltIns: false,
          ignoreBrowserslistConfig: true,
        },
      ],
      '@babel/preset-react',
    ],
    plugins: multiplePasses
      ? [getPluginConfig(), getPluginConfig()]
      : [getPluginConfig()],
  })!
}

test('$t with no arguments', () => {
  expect(transformAndCheck('shorthandT')).toEqual({