Remove standard schema peer dependency (#72)

* remove standard schema peer dependency

* Explicit type exports

* 4.1.0

Author: gustavoguichard

README.md

@@ -74,12 +74,6 @@ Or you can use it with Deno:
 import { makeService } from "https://deno.land/x/make_service/mod.ts";
 ```
 
-If you want to use it with a schema parser - such as [zod](https://zod.dev/), [arktype](https://arktype.dev/), [valibot](https://valibot.dev/), or other [standard-schema](https://standardschema.dev) libraries -, you need to install it as a peer dependency:
-
-```sh
-npm install make-service @standard-schema/spec
-```
-
 # API
 
 This library exports the `makeService` function and some primitives used to build it. You can use the primitives as you wish but the `makeService` will have all the features combined.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "make-service",
-  "version": "4.0.2",
+  "version": "4.1.0",
   "description": "Some utilities to extend the 'fetch' API to better interact with external APIs.",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
@@ -33,7 +33,6 @@
   },
   "devDependencies": {
     "@biomejs/biome": "^2.0.0",
-    "@standard-schema/spec": "^1.0.0",
     "@types/node": "^24.0.3",
     "arktype": "^2.1.20",
     "jsdom": "^26.1.0",
@@ -43,9 +42,7 @@
     "vitest": "latest",
     "zod": "3.25.67"
   },
-  "peerDependencies": {
-    "@standard-schema/spec": "^1.0.0"
-  },
+  "peerDependencies": {},
   "files": [
     "README.md",
     "./dist/*"

pnpm-lock.yaml

@@ -8,4 +8,20 @@ export {
   replaceURLParams,
   typeOf,
 } from './primitives'
-export type * from './types'
+export type { StandardSchema } from './standard-schema'
+export type {
+  BaseOptions,
+  EnhancedRequestInit,
+  GetJson,
+  GetText,
+  HTTPMethod,
+  JSONValue,
+  PathParams,
+  RequestTransformer,
+  ResponseTransformer,
+  SearchParams,
+  ServiceRequestInit,
+  TypedResponse,
+  TypedResponseJson,
+  TypedResponseText,
+} from './types'

src/index.ts

@@ -1,5 +1,5 @@
-import type { StandardSchemaV1 } from '@standard-schema/spec'
 import { ParseResponseError } from './primitives'
+import type { StandardSchema } from './standard-schema'
 import type { GetJson, GetText } from './types'
 
 /**
@@ -10,7 +10,7 @@ import type { GetJson, GetText } from './types'
 const getJson: GetJson =
   (response) =>
   async <Input = unknown, Output = Input>(
-    schema?: StandardSchemaV1<Input, Output>
+    schema?: StandardSchema<Input, Output>
   ) => {
     const json = await response.json()
     if (!schema) return json as Output
@@ -31,7 +31,7 @@ const getJson: GetJson =
 const getText: GetText =
   (response) =>
   async <Input extends string = string, Output = Input>(
-    schema?: StandardSchemaV1<Input, Output>
+    schema?: StandardSchema<Input, Output>
   ) => {
     const text = await response.text()
     if (!schema) return text as Output

src/internals.ts

@@ -1,4 +1,4 @@
-import type { StandardSchemaV1 } from '@standard-schema/spec'
+import type { StandardSchema } from './standard-schema'
 import type { JSONValue, PathParams, SearchParams } from './types'
 
 /**
@@ -138,7 +138,7 @@ function typeOf(t: unknown) {
 class ParseResponseError extends Error {
   constructor(
     message: string,
-    public issues: readonly StandardSchemaV1.Issue[]
+    public issues: readonly StandardSchema.Issue[]
   ) {
     super(JSON.stringify({ message, issues }, null, 2))
     this.name = 'ParseResponseError'

src/primitives.ts

@@ -0,0 +1,36 @@
+/** A minimal subset of the Standard Schema specification used internally */
+interface StandardSchema<Input = unknown, Output = Input> {
+  readonly '~standard': StandardSchema.Props<Input, Output>
+}
+
+declare namespace StandardSchema {
+  interface Props<Input = unknown, Output = Input> {
+    readonly version: 1
+    readonly vendor: string
+    readonly validate: (
+      value: unknown
+    ) => Result<Output> | Promise<Result<Output>>
+  }
+
+  type Result<Output> = SuccessResult<Output> | FailureResult
+
+  interface SuccessResult<Output> {
+    readonly value: Output
+    readonly issues?: undefined
+  }
+
+  interface FailureResult {
+    readonly issues: readonly Issue[]
+  }
+
+  interface Issue {
+    readonly message: string
+    readonly path?: readonly (PropertyKey | PathSegment)[]
+  }
+
+  interface PathSegment {
+    readonly key: PropertyKey
+  }
+}
+
+export { StandardSchema }

src/standard-schema.ts

@@ -1,5 +1,5 @@
-import type { StandardSchemaV1 } from '@standard-schema/spec'
 import type { HTTP_METHODS } from './constants'
+import type { StandardSchema } from './standard-schema'
 
 type JSONValue =
   | string
@@ -53,11 +53,11 @@ type BaseOptions = {
 type HTTPMethod = (typeof HTTP_METHODS)[number]
 
 type TypedResponseJson = <Input = unknown, Output = Input>(
-  schema?: StandardSchemaV1<Input, Output>
+  schema?: StandardSchema<Input, Output>
 ) => Promise<Output>
 
 type TypedResponseText = <Input extends string = string, Output = Input>(
-  schema?: StandardSchemaV1<Input, Output>
+  schema?: StandardSchema<Input, Output>
 ) => Promise<Output>
 
 type GetJson = (response: Response) => TypedResponseJson