fix: allow assigning provider-enabled instances to FastifyInstance (#…

…21) * test(types): assign to default `FastifyInstance` * fix(types): assign to `FastifyTypeProviderDefault`
fastify · Jan 8, 2023 · 4e60b5b · 4e60b5b
1 parent a90a5fd
commit 4e60b5b
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diff --git a/index.ts b/index.ts
@@ -10,7 +10,7 @@ import {
 import { JSONSchema7, FromSchema, FromSchemaOptions, FromSchemaDefaultOptions } from 'json-schema-to-ts'
 
 export interface JsonSchemaToTsProvider<Options extends FromSchemaOptions = FromSchemaDefaultOptions> extends FastifyTypeProvider {
-  output: this['input'] extends JSONSchema7 ? FromSchema<this['input'], Options> : never;
+  output: this['input'] extends JSONSchema7 ? FromSchema<this['input'], Options> : unknown;
 }
 
 /**

diff --git a/types/index.test-d.ts b/types/index.test-d.ts
@@ -4,6 +4,7 @@ import Fastify, { FastifyInstance, FastifyLoggerInstance, RawReplyDefaultExpress
 
 const fastify = Fastify().withTypeProvider<JsonSchemaToTsProvider>()
 expectAssignable<FastifyInstance<RawServerDefault, RawRequestDefaultExpression, RawReplyDefaultExpression, FastifyLoggerInstance, JsonSchemaToTsProvider>>(fastify)
+expectAssignable<FastifyInstance>(fastify)
 
 fastify.get('/', {
   schema: {