Add option to pass scalar plugins (#3027)

.changeset/bright-glasses-peel.md

@@ -0,0 +1,5 @@
+---
+'@gitbook/openapi-parser': patch
+---
+
+Add option to pass scalar plugins

packages/openapi-parser/src/filesystem.ts

@@ -1,4 +1,5 @@
-import { type AnyApiDefinitionFormat, load } from '@scalar/openapi-parser';
+import { load } from '@scalar/openapi-parser';
+import type { ParseOpenAPIInput } from './parse';
 import { fetchURLs } from './scalar-plugins/fetchURLs';
 import type { Filesystem } from './types';
 
@@ -6,19 +7,13 @@ import type { Filesystem } from './types';
  * Create a filesystem from an OpenAPI document.
  * Fetches all the URLs specified in references and builds a filesystem.
  */
-export async function createFileSystem(input: {
-    /**
-     * The OpenAPI document to create the filesystem from.
-     */
-    value: AnyApiDefinitionFormat;
-    /**
-     * The root URL of the specified OpenAPI document.
-     * Used to resolve relative URLs.
-     */
-    rootURL: string | null;
-}): Promise<Filesystem> {
-    const { filesystem } = await load(input.value, {
-        plugins: [fetchURLs({ rootURL: input.rootURL })],
+export async function createFileSystem(
+    input: Pick<ParseOpenAPIInput, 'value' | 'rootURL' | 'options'>
+): Promise<Filesystem> {
+    const { value, rootURL, options } = input;
+
+    const { filesystem } = await load(value, {
+        plugins: [fetchURLs({ rootURL }), ...(options?.plugins || [])],
     });
 
     return filesystem;

packages/openapi-parser/src/parse.ts

@@ -1,4 +1,4 @@
-import type { AnyApiDefinitionFormat } from '@scalar/openapi-parser';
+import type { AnyApiDefinitionFormat, LoadPlugin } from '@scalar/openapi-parser';
 import { OpenAPIParseError } from './error';
 import { convertOpenAPIV2ToOpenAPIV3 } from './v2';
 import { parseOpenAPIV3 } from './v3';
@@ -16,6 +16,12 @@ export interface ParseOpenAPIInput {
      * Trust the input. This will skip advanced validation.
      */
     trust?: boolean;
+    /**
+     * Options for the parser.
+     */
+    options?: {
+        plugins?: LoadPlugin[];
+    };
 }
 
 /**

packages/openapi-parser/src/v3.ts

@@ -12,12 +12,16 @@ import type { Filesystem, OpenAPIV3xDocument } from './types';
 export async function parseOpenAPIV3(
     input: ParseOpenAPIInput
 ): Promise<Filesystem<OpenAPIV3xDocument>> {
-    const { value, rootURL, trust } = input;
+    const { value, rootURL, trust, options = {} } = input;
     const specification = trust
         ? await trustedValidate({ value, rootURL })
         : await untrustedValidate({ value, rootURL });
 
-    const filesystem = await createFileSystem({ value: specification, rootURL });
+    const filesystem = await createFileSystem({
+        value: specification,
+        rootURL,
+        options,
+    });
 
     return filesystem;
 }