| 1 | import type { Type } from '@nestjs/common' |
| 2 | import type { SchemaObject } from '@nestjs/swagger/dist/interfaces/open-api-spec.interface' |
| 3 | import { SchemaObjectFactory } from '@nestjs/swagger/dist/services/schema-object-factory' |
| 4 | import { z } from 'zod' |
| 5 | import { isZodDto } from './zod-dto.util' |
| 6 | |
| 7 | export const zodToJsonSchemaOptions: Parameters<typeof z.toJSONSchema>[1] = { |
| 8 | uri: id => `#/components/schemas/${id}`, |
| 9 | target: 'draft-7', |
| 10 | unrepresentable: 'any', |
| 11 | cycles: 'ref', |
| 12 | override: (ctx) => { |
| 13 | const _zod = ctx.zodSchema._zod |
| 14 | const def = _zod.def |
| 15 | if (def.type === 'date') { |
| 16 | ctx.jsonSchema.type = 'string' |
| 17 | ctx.jsonSchema.format = 'date-time' |
| 18 | } |
| 19 | }, |
| 20 | } |
| 21 | |
| 22 | export function patchNestJsSwagger() { |
| 23 | if ('__patchedWithLoveByNestjsZod' in SchemaObjectFactory.prototype) |
| 24 | return |
| 25 | const defaultExplore = SchemaObjectFactory.prototype.exploreModelSchema |
| 26 | |
| 27 | SchemaObjectFactory.prototype.exploreModelSchema = function ( |
| 28 | this: SchemaObjectFactory | undefined, |
| 29 | type, |
| 30 | schemas, |
| 31 | schemaRefsStack, |
| 32 | ) { |
| 33 | if (this && this['isLazyTypeFunc'](type)) { |
| 34 | const factory = type as () => Type<unknown> |
| 35 | type = factory() |
| 36 | } |
| 37 | |
| 38 | if (!isZodDto(type)) { |
| 39 | return defaultExplore.call(this, type, schemas, schemaRefsStack) |
| 40 | } |
| 41 | |
| 42 | schemas[type.name] = z.toJSONSchema(type.schema, zodToJsonSchemaOptions) as SchemaObject |
| 43 | return type.name |
| 44 | } |
| 45 | // @ts-expect-error set __patchedWithLoveByNestjsZod to true |
| 46 | SchemaObjectFactory.prototype.__patchedWithLoveByNestjsZod = true |
| 47 | } |
| 48 |