Function runTransform

codemods/move-sampling-to-model-options/transform.test.ts:17–42

(
  fixtureBaseName: string,
  ext: 'ts' | 'tsx',
)

}

function runTransform(
  fixtureBaseName: string,
  ext: 'ts' | 'tsx',
): { output: string; reports: Array<string> } {
  const source = read(`${fixtureBaseName}.input.${ext}`)
  const reports: Array<string> = []
  const j = jscodeshift.withParser('tsx')
  const result = transform(
    { path: `${fixtureBaseName}.input.${ext}`, source },
    {
      jscodeshift: j,
      j,
      stats: () => {},
      report: (msg: string) => {
        reports.push(msg)
      },
    },
    {},
  )
  if (typeof result !== 'string') {
    throw new Error(
      `transform returned ${typeof result} for ${fixtureBaseName}.input.${ext}; expected a string`,
    )
  }
  return { output: result, reports }
}

// Run both sides through Prettier before comparing. recast (jscodeshift's
// printer) emits semicolons and drops trailing commas, while the fixtures are