Class Builder

packages/server/src/builder.ts:39–334

}

export class Builder<
  TInitialContext extends Context,
  TCurrentContext extends Context,
  TInputSchema extends AnySchema,
  TOutputSchema extends AnySchema,
  TErrorMap extends ErrorMap,
  TMeta extends Meta,
> {
  /**
   * This property holds the defined options.
   */
  '~orpc': BuilderDef<TInputSchema, TOutputSchema, TErrorMap, TMeta>

  constructor(def: BuilderDef<TInputSchema, TOutputSchema, TErrorMap, TMeta>) {
    this['~orpc'] = def
  }

  /**
   * Sets or overrides the config.
   *
   * @see {@link https://orpc.dev/docs/client/server-side#middlewares-order Middlewares Order Docs}
   * @see {@link https://orpc.dev/docs/best-practices/dedupe-middleware#configuration Dedupe Middleware Docs}
   */
  $config(config: BuilderConfig): Builder<TInitialContext, TCurrentContext, TInputSchema, TOutputSchema, TErrorMap, TMeta> {
    const inputValidationCount = this['~orpc'].inputValidationIndex - fallbackConfig('initialInputValidationIndex', this['~orpc'].config.initialInputValidationIndex)
    const outputValidationCount = this['~orpc'].outputValidationIndex - fallbackConfig('initialOutputValidationIndex', this['~orpc'].config.initialOutputValidationIndex)

    return new Builder({
      ...this['~orpc'],
      config,
      dedupeLeadingMiddlewares: fallbackConfig('dedupeLeadingMiddlewares', config.dedupeLeadingMiddlewares),
      inputValidationIndex: fallbackConfig('initialInputValidationIndex', config.initialInputValidationIndex) + inputValidationCount,
      outputValidationIndex: fallbackConfig('initialOutputValidationIndex', config.initialOutputValidationIndex) + outputValidationCount,
    })
  }

  /**
   * Set or override the initial context.
   *
   * @see {@link https://orpc.dev/docs/context Context Docs}
   */
  $context<U extends Context>(): Builder<U & Record<never, never>, U, TInputSchema, TOutputSchema, TErrorMap, TMeta> {
    /**
     * We need `& Record<never, never>` to deal with `has no properties in common with type` error
     */

    return new Builder({
      ...this['~orpc'],
      middlewares: [],
      inputValidationIndex: fallbackConfig('initialInputValidationIndex', this['~orpc'].config.initialInputValidationIndex),
      outputValidationIndex: fallbackConfig('initialOutputValidationIndex', this['~orpc'].config.initialOutputValidationIndex),
    })
  }

  /**
   * Sets or overrides the initial meta.
   *
   * @see {@link https://orpc.dev/docs/metadata Metadata Docs}