Class ZodPromise

packages/zod/src/v3/types.ts:4235–4274

}

export class ZodPromise<T extends ZodTypeAny> extends ZodType<
  Promise<T["_output"]>,
  ZodPromiseDef<T>,
  Promise<T["_input"]>
> {
  unwrap() {
    return this._def.type;
  }

  _parse(input: ParseInput): ParseReturnType<this["_output"]> {
    const { ctx } = this._processInputParams(input);
    if (ctx.parsedType !== ZodParsedType.promise && ctx.common.async === false) {
      addIssueToContext(ctx, {
        code: ZodIssueCode.invalid_type,
        expected: ZodParsedType.promise,
        received: ctx.parsedType,
      });
      return INVALID;
    }

    const promisified = ctx.parsedType === ZodParsedType.promise ? ctx.data : Promise.resolve(ctx.data);

    return OK(
      promisified.then((data: any) => {
        return this._def.type.parseAsync(data, {
          path: ctx.path,
          errorMap: ctx.common.contextualErrorMap,
        });
      })
    );
  }

  static create = <Inner extends ZodTypeAny>(schema: Inner, params?: RawCreateParams): ZodPromise<Inner> => {
    return new ZodPromise({
      type: schema,
      typeName: ZodFirstPartyTypeKind.ZodPromise,
      ...processCreateParams(params),
    });
  };
}

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