Function outputTransformerDataObjects

src/utils.ts:84–137

(
  transformersList: RecursiveFileTree,
  buffer: Assembler.FileBuffer,
  withSharedProps: boolean,
  inertiaMiddlewareImportPath: string = '#middleware/inertia_middleware'
)

 * // }
 */
export async function outputTransformerDataObjects(
  transformersList: RecursiveFileTree,
  buffer: Assembler.FileBuffer,
  withSharedProps: boolean,
  inertiaMiddlewareImportPath: string = '#middleware/inertia_middleware'
) {
  const importsBuffer = buffer.create()
  importsBuffer.write(`/// <reference path="./manifest.d.ts" />`)
  importsBuffer.write(
    `import type { InferData, InferVariants } from '@adonisjs/core/types/transformers'`
  )

  if (withSharedProps) {
    importsBuffer.write(`import type { InferSharedProps } from '@adonisjs/inertia/types'`)
  }

  buffer.writeLine(importsBuffer)
  buffer.write('export namespace Data {').indent()

  /**
   * Recursively generates namespace tree structure for transformers.
   * Creates nested namespaces for directory structures and type exports
   * for individual transformer files.
   *
   * @param input - The current level of the file tree to process
   * @param parents - Array of parent namespace names for import naming
   */
  function generateNamespaceTree(input: RecursiveFileTree, parents: string[]) {
    Object.keys(input).forEach((key) => {
      const value = input[key]
      if (typeof value === 'string') {
        const importName = `${parents.join('')}${key}Transformer`
        importsBuffer.write(`import type ${importName} from '${value}'`)
        buffer.write(`export type ${key} = InferData<${importName}>`)
        buffer.write(`export namespace ${key} {`).indent()
        buffer.write(`export type Variants = InferVariants<${importName}>`)
        buffer.dedent().write('}')
      } else {
        buffer.write(`export namespace ${key} {`).indent()
        generateNamespaceTree(value, [...parents, key])
        buffer.dedent().write(`}`)
      }
    })
  }

  generateNamespaceTree(transformersList, [])

  if (withSharedProps) {
    importsBuffer.write(`import type InertiaMiddleware from '${inertiaMiddlewareImportPath}'`)
    buffer.write('export type SharedProps = InferSharedProps<InertiaMiddleware>')
  }

  buffer.dedent().write('}')
}