Function parseWorkerOptions

packages/vite/src/node/plugins/workerImportMetaUrl.ts:96–133

(
  rawOpts: string,
  optsStartIndex: number,
)

}

async function parseWorkerOptions(
  rawOpts: string,
  optsStartIndex: number,
): Promise<WorkerOptions> {
  let opts: WorkerOptions = {}
  try {
    opts = evalValue<WorkerOptions>(rawOpts)
  } catch {
    const optsNode = (
      (await parseAstAsync(`(${rawOpts})`))
        .body[0] as ESTree.ExpressionStatement
    ).expression

    const type = extractWorkerTypeFromAst(optsNode, optsStartIndex)
    if (type) {
      return { type }
    }

    throw err(
      'Vite is unable to parse the worker options as the value is not static. ' +
        'To ignore this error, please use /* @vite-ignore */ in the worker options.',
      optsStartIndex,
    )
  }

  if (opts == null) {
    return {}
  }

  if (typeof opts !== 'object') {
    throw err(
      `Expected worker options to be an object, got ${typeof opts}`,
      optsStartIndex,
    )
  }

  return opts
}

async function getWorkerType(
  raw: string,