Function parseInput

compiler/packages/snap/src/compiler.ts:102–124

(
  input: string,
  filename: string,
  language: 'flow' | 'typescript',
  sourceType: 'module' | 'script',
)

}

export function parseInput(
  input: string,
  filename: string,
  language: 'flow' | 'typescript',
  sourceType: 'module' | 'script',
): BabelCore.types.File {
  // Extract the first line to quickly check for custom test directives
  if (language === 'flow') {
    return HermesParser.parse(input, {
      babel: true,
      flow: 'all',
      sourceFilename: filename,
      sourceType,
      enableExperimentalComponentSyntax: true,
    });
  } else {
    return BabelParser.parse(input, {
      sourceFilename: filename,
      plugins: ['typescript', 'jsx'],
      sourceType,
    });
  }
}

function getEvaluatorPresets(
  language: 'typescript' | 'flow',