Chore: Enforce type imports

.eslintrc.cjs

@@ -18,6 +18,10 @@ module.exports = {
   ],
   rules: {
     "@typescript-eslint/consistent-indexed-object-style": "off", // sometimes naming keys is more user-friendly
+    "@typescript-eslint/consistent-type-imports": [
+      "error",
+      { prefer: "type-imports", fixStyle: "inline-type-imports" },
+    ],
     "@typescript-eslint/no-dynamic-delete": "off", // delete is OK
     "@typescript-eslint/no-non-null-assertion": "off", // this is better than "as"
     "@typescript-eslint/no-shadow": "error",

docs/6.x/advanced.md

@@ -88,7 +88,7 @@ And the magic that produces this would live in a `test/utils.ts` file that can b
 ::: code-group [test/utils.ts]
 
 ```ts
-import { paths } from "./api/v1/my-schema"; // generated by openapi-typescript
+import type { paths } from "./api/v1"; // generated by openapi-typescript
 
 // Settings
 // ⚠️ Important: change this! This prefixes all URLs

docs/6.x/cli.md

@@ -71,7 +71,7 @@ export interface paths {
 Which means your type lookups also have to match the exact URL:
 
 ```ts
-import { paths } from "./my-schema";
+import type { paths } from "./api/v1";
 
 const url = `/user/${id}`;
 type UserResponses = paths["/user/{user_id}"]["responses"];
@@ -80,7 +80,7 @@ type UserResponses = paths["/user/{user_id}"]["responses"];
 But when `--path-params-as-types` is enabled, you can take advantage of dynamic lookups like so:
 
 ```ts
-import { paths } from "./my-schema";
+import type { paths } from "./api/v1";
 
 const url = `/user/${id}`;
 type UserResponses = paths[url]["responses"]; // automatically matches `paths['/user/{user_id}']`

docs/6.x/introduction.md

@@ -59,7 +59,7 @@ Be sure to [validate your schemas](https://redocly.com/docs/cli/commands/lint/)!
 Then, import schemas from the generated file like so:
 
 ```ts
-import { paths, components } from "./path/to/my/schema"; // <- generated by openapi-typescript
+import type { paths, components } from "./api/v1"; // generated by openapi-typescript
 
 // Schema Obj
 type MyType = components["schemas"]["MyType"];

docs/cli.md

@@ -115,7 +115,7 @@ export interface paths {
 Which means your type lookups also have to match the exact URL:
 
 ```ts
-import { paths } from "./my-schema";
+import type{ paths } from "./api/v1";
 
 const url = `/user/${id}`;
 type UserResponses = paths["/user/{user_id}"]["responses"];
@@ -124,7 +124,7 @@ type UserResponses = paths["/user/{user_id}"]["responses"];
 But when `--path-params-as-types` is enabled, you can take advantage of dynamic lookups like so:
 
 ```ts
-import { paths } from "./my-schema";
+import type { paths } from "./api/v1";
 
 const url = `/user/${id}`;
 type UserResponses = paths[url]["responses"]; // automatically matches `paths['/user/{user_id}']`

docs/examples.md

@@ -136,7 +136,7 @@ And the magic that produces this would live in a `test/utils.ts` file that can b
 ::: code-group [test/utils.ts]
 
 ```ts
-import { paths } from "./api/v1/my-schema"; // generated by openapi-typescript
+import type { paths } from "./api/v1"; // generated by openapi-typescript
 
 // Settings
 // ⚠️ Important: change this! This prefixes all URLs

docs/introduction.md

@@ -59,7 +59,7 @@ npx openapi-typescript https://myapi.dev/api/v1/openapi.yaml -o ./path/to/my/sch
 Then in your TypeScript project, import types where needed:
 
 ```ts
-import { paths, components } from "./path/to/my/schema"; // <- generated by openapi-typescript
+import type { paths, components } from "./api/v1"; // generated by openapi-typescript
 
 // Schema Obj
 type MyType = components["schemas"]["MyType"];

docs/openapi-fetch/examples.md

@@ -16,7 +16,7 @@ Here’s how it can be handled using [Nano Stores](https://github.com/nanostores
 // src/lib/api/index.ts
 import { atom, computed } from "nanostores";
 import createClient from "openapi-fetch";
-import { paths } from "./v1";
+import type { paths } from "./api/v1";
 
 export const authToken = atom<string | undefined>();
 someAuthMethod().then((newToken) => authToken.set(newToken));
@@ -47,7 +47,7 @@ You can also use [proxies](https://developer.mozilla.org/en-US/docs/Web/JavaScri
 ```ts
 // src/lib/api/index.ts
 import createClient from "openapi-fetch";
-import { paths } from "./v1";
+import type { paths } from "./api/v1";
 
 let authToken: string | undefined = undefined;
 someAuthMethod().then((newToken) => (authToken = newToken));
@@ -80,7 +80,7 @@ You can also use a [getter](https://developer.mozilla.org/en-US/docs/Web/JavaScr
 ```ts
 // src/lib/api/index.ts
 import createClient from "openapi-fetch";
-import { paths } from "./v1";
+import type { paths } from "./api/v1";
 
 let authToken: string | undefined = undefined;
 someAuthMethod().then((newToken) => (authToken = newToken));

docs/openapi-fetch/index.md

@@ -18,7 +18,7 @@ The syntax is inspired by popular libraries like react-query or Apollo client, b
 
 ```ts
 import createClient from "openapi-fetch";
-import { paths } from "./v1"; // generated from openapi-typescript
+import type { paths } from "./api/v1"; // generated by openapi-typescript
 
 const { GET, PUT } = createClient<paths>({ baseUrl: "https://myapi.dev/v1/" });
 
@@ -102,7 +102,7 @@ The best part about using openapi-fetch over oldschool codegen is no documentati
 
 ```ts
 import createClient from "openapi-fetch";
-import { paths } from "./v1";
+import type { paths } from "./api/v1";
 
 const { GET, PUT } = createClient<paths>({ baseUrl: "https://myapi.dev/v1/" });
 

packages/openapi-fetch/README.md

@@ -14,7 +14,7 @@ The syntax is inspired by popular libraries like react-query or Apollo client, b
 
 ```ts
 import createClient from "openapi-fetch";
-import { paths } from "./v1"; // generated from openapi-typescript
+import type { paths } from "./api/v1"; // generated by openapi-typescript
 
 const { GET, PUT } = createClient<paths>({ baseUrl: "https://myapi.dev/v1/" });
 
@@ -88,7 +88,7 @@ The best part about using openapi-fetch over oldschool codegen is no documentati
 
 ```ts
 import createClient from "openapi-fetch";
-import { paths } from "./v1";
+import type { paths } from "./api/v1";
 
 const { GET, PUT } = createClient<paths>({ baseUrl: "https://myapi.dev/v1/" });
 

packages/openapi-fetch/examples/react-query/src/hooks/queries.ts

@@ -1,6 +1,6 @@
 import { useQuery } from "@tanstack/react-query";
 import type { ParamsOption, RequestBodyOption } from "openapi-fetch";
-import { paths } from "../lib/api/v1";
+import type { paths } from "../lib/api/v1";
 import client from "../lib/api";
 
 type UseQueryOptions<T> = ParamsOption<T> &
@@ -15,7 +15,11 @@ type UseQueryOptions<T> = ParamsOption<T> &
 // paths
 const GET_FACT = "/fact";
 
-export function getFact({ params, body, reactQuery }: UseQueryOptions<paths[typeof GET_FACT]["get"]>) {
+export function getFact({
+  params,
+  body,
+  reactQuery,
+}: UseQueryOptions<paths[typeof GET_FACT]["get"]>) {
   return useQuery({
     ...reactQuery,
     queryKey: [

packages/openapi-typescript/README.md

@@ -48,7 +48,7 @@ npx openapi-typescript https://myapi.dev/api/v1/openapi.yaml -o ./path/to/my/sch
 Then, import schemas from the generated file like so:
 
 ```ts
-import { paths, components } from "./path/to/my/schema"; // <- generated by openapi-typescript
+import type { paths, components } from "./api/v1"; // generated by openapi-typescript
 
 // Schema Obj
 type MyType = components["schemas"]["MyType"];

packages/openapi-typescript/src/index.ts

@@ -1,6 +1,6 @@
 import { createConfig } from "@redocly/openapi-core";
-import { Readable } from "node:stream";
-import ts from "typescript";
+import type { Readable } from "node:stream";
+import type ts from "typescript";
 import { validateAndBundle } from "./lib/redoc.js";
 import { debug, resolveRef, scanDiscriminators } from "./lib/utils.js";
 import transformSchema from "./transform/index.js";

packages/openapi-typescript/src/lib/redoc.ts

@@ -9,7 +9,7 @@ import {
 } from "@redocly/openapi-core";
 import { Readable } from "node:stream";
 import { fileURLToPath } from "node:url";
-import { OpenAPI3 } from "../types.js";
+import type { OpenAPI3 } from "../types.js";
 import { debug, error, warn } from "./utils.js";
 
 export interface ValidateAndBundleOptions {

packages/openapi-typescript/src/lib/ts.ts

@@ -1,5 +1,5 @@
 import { parseRef } from "@redocly/openapi-core/lib/ref-utils.js";
-import ts, { LiteralTypeNode, TypeLiteralNode } from "typescript";
+import ts, { type LiteralTypeNode, type TypeLiteralNode } from "typescript";
 
 export const JS_PROPERTY_INDEX_RE = /^[A-Za-z_$][A-Za-z_$0-9]*$/;
 export const JS_ENUM_INVALID_CHARS_RE = /[^A-Za-z_$0-9]+(.)?/g;

packages/openapi-typescript/src/lib/utils.ts

@@ -5,7 +5,7 @@ import {
 import c from "ansi-colors";
 import supportsColor from "supports-color";
 import ts from "typescript";
-import { DiscriminatorObject, OpenAPI3 } from "../types.js";
+import type { DiscriminatorObject, OpenAPI3 } from "../types.js";
 import { tsLiteral, tsModifiers, tsPropertyIndex } from "./ts.js";
 
 if (!supportsColor.stdout || supportsColor.stdout.hasBasic === false) {

packages/openapi-typescript/src/transform/components-object.ts

@@ -7,7 +7,7 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef, debug, getEntries } from "../lib/utils.js";
-import {
+import type {
   ComponentsObject,
   GlobalContext,
   SchemaObject,

packages/openapi-typescript/src/transform/header-object.ts

@@ -7,7 +7,7 @@ import {
   UNKNOWN,
 } from "../lib/ts.js";
 import { getEntries } from "../lib/utils.js";
-import { HeaderObject, TransformNodeOptions } from "../types.js";
+import type { HeaderObject, TransformNodeOptions } from "../types.js";
 import transformMediaTypeObject from "./media-type-object.js";
 import transformSchemaObject from "./schema-object.js";
 

packages/openapi-typescript/src/transform/index.ts

@@ -1,7 +1,10 @@
-import ts, { InterfaceDeclaration, TypeLiteralNode } from "typescript";
+import ts, {
+  type InterfaceDeclaration,
+  type TypeLiteralNode,
+} from "typescript";
 import { NEVER, STRING, tsModifiers, tsRecord } from "../lib/ts.js";
 import { createRef, debug } from "../lib/utils.js";
-import { GlobalContext, OpenAPI3 } from "../types.js";
+import type { GlobalContext, OpenAPI3 } from "../types.js";
 import transformComponentsObject from "./components-object.js";
 import transformPathsObject from "./paths-object.js";
 import transformSchemaObject from "./schema-object.js";

packages/openapi-typescript/src/transform/media-type-object.ts

@@ -1,6 +1,6 @@
-import ts from "typescript";
+import type ts from "typescript";
 import { UNKNOWN } from "../lib/ts.js";
-import { MediaTypeObject, TransformNodeOptions } from "../types.js";
+import type { MediaTypeObject, TransformNodeOptions } from "../types.js";
 import transformSchemaObject from "./schema-object.js";
 
 /**

packages/openapi-typescript/src/transform/operation-object.ts

@@ -8,7 +8,7 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef } from "../lib/utils.js";
-import {
+import type {
   OperationObject,
   RequestBodyObject,
   TransformNodeOptions,

packages/openapi-typescript/src/transform/parameter-object.ts

@@ -1,6 +1,6 @@
-import ts from "typescript";
+import type ts from "typescript";
 import { STRING } from "../lib/ts.js";
-import { ParameterObject, TransformNodeOptions } from "../types.js";
+import type { ParameterObject, TransformNodeOptions } from "../types.js";
 import transformSchemaObject from "./schema-object.js";
 
 /**

packages/openapi-typescript/src/transform/parameters-array.ts

@@ -8,7 +8,7 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef } from "../lib/utils.js";
-import {
+import type {
   ParameterObject,
   ReferenceObject,
   TransformNodeOptions,

packages/openapi-typescript/src/transform/path-item-object.ts

@@ -8,7 +8,7 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef } from "../lib/utils.js";
-import {
+import type {
   OperationObject,
   ParameterObject,
   PathItemObject,

packages/openapi-typescript/src/transform/paths-object.ts

@@ -7,15 +7,15 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef, debug, getEntries } from "../lib/utils.js";
-import {
+import type {
   GlobalContext,
   OperationObject,
   ParameterObject,
   PathItemObject,
   PathsObject,
   ReferenceObject,
 } from "../types.js";
-import transformPathItemObject, { Method } from "./path-item-object.js";
+import transformPathItemObject, { type Method } from "./path-item-object.js";
 
 const PATH_PARAM_RE = /\{[^}]+\}/g;
 

packages/openapi-typescript/src/transform/request-body-object.ts

@@ -7,7 +7,7 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef, getEntries } from "../lib/utils.js";
-import { RequestBodyObject, TransformNodeOptions } from "../types.js";
+import type { RequestBodyObject, TransformNodeOptions } from "../types.js";
 import transformMediaTypeObject from "./media-type-object.js";
 import transformSchemaObject from "./schema-object.js";
 

packages/openapi-typescript/src/transform/response-object.ts

@@ -10,7 +10,7 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef, getEntries } from "../lib/utils.js";
-import { ResponseObject, TransformNodeOptions } from "../types.js";
+import type { ResponseObject, TransformNodeOptions } from "../types.js";
 import transformHeaderObject from "./header-object.js";
 import transformMediaTypeObject from "./media-type-object.js";
 

packages/openapi-typescript/src/transform/responses-object.ts

@@ -7,7 +7,7 @@ import {
   tsPropertyIndex,
 } from "../lib/ts.js";
 import { createRef, getEntries } from "../lib/utils.js";
-import { ResponsesObject, TransformNodeOptions } from "../types.js";
+import type { ResponsesObject, TransformNodeOptions } from "../types.js";
 import transformResponseObject from "./response-object.js";
 
 /**

packages/openapi-typescript/src/transform/schema-object.ts

@@ -28,7 +28,7 @@ import {
   createRef,
   getEntries,
 } from "../lib/utils.js";
-import {
+import type {
   ReferenceObject,
   SchemaObject,
   TransformNodeOptions,

packages/openapi-typescript/src/types.ts

@@ -1,5 +1,5 @@
 import type { Config as RedoclyConfig } from "@redocly/openapi-core";
-import { PathLike } from "node:fs";
+import type { PathLike } from "node:fs";
 import type ts from "typescript";
 
 // Many types allow for true “any” for inheritance to work

packages/openapi-typescript/test/cli.test.ts

@@ -2,7 +2,7 @@ import { execa } from "execa";
 import fs from "node:fs";
 import os from "node:os";
 import { fileURLToPath } from "node:url";
-import { TestCase } from "./test-helpers.js";
+import type { TestCase } from "./test-helpers.js";
 
 const root = new URL("../", import.meta.url);
 const cwd = os.platform() === "win32" ? fileURLToPath(root) : root; // execa bug: fileURLToPath required on Windows

packages/openapi-typescript/test/discriminators.test.ts

@@ -1,6 +1,6 @@
 import { fileURLToPath } from "node:url";
-import openapiTS, { OpenAPITSOptions, astToString } from "../src/index.js";
-import { TestCase } from "./test-helpers.js";
+import openapiTS, { type OpenAPITSOptions, astToString } from "../src/index.js";
+import type { TestCase } from "./test-helpers.js";
 
 describe("3.1 discriminators", () => {
   const tests: TestCase<any, OpenAPITSOptions>[] = [

packages/openapi-typescript/test/index.test.ts

@@ -1,7 +1,7 @@
 import { fileURLToPath } from "node:url";
 import openapiTS, { astToString } from "../src/index.js";
 import type { OpenAPI3, OpenAPITSOptions } from "../src/types.js";
-import { TestCase } from "./test-helpers.js";
+import type { TestCase } from "./test-helpers.js";
 
 // prevent process.exit(1) from truly firing, as it will bypass Vitest’s error catching (throw new Error() will work as-expected)
 beforeAll(() => {

packages/openapi-typescript/test/node-api.test.ts

@@ -1,8 +1,8 @@
 import { fileURLToPath } from "node:url";
 import ts from "typescript";
 import openapiTS, { COMMENT_HEADER, astToString } from "../src/index.js";
-import { OpenAPITSOptions } from "../src/types.js";
-import { TestCase } from "./test-helpers.js";
+import type { OpenAPITSOptions } from "../src/types.js";
+import type { TestCase } from "./test-helpers.js";
 
 const EXAMPLES_DIR = new URL("../examples/", import.meta.url);
 

packages/openapi-typescript/test/test-helpers.ts

@@ -1,6 +1,6 @@
 import { createConfig } from "@redocly/openapi-core";
 import { resolveRef } from "../src/lib/utils.js";
-import { GlobalContext, TransformNodeOptions } from "../src/types.js";
+import type { GlobalContext, TransformNodeOptions } from "../src/types.js";
 
 /* eslint-disable @typescript-eslint/no-explicit-any */