update paths to watch for handling multi-file OpenAPI docs (#219)

* update paths to watch for handling multi-file OpenAPI docs

* Create small-poets-sing.md

* also watch the main file

Co-authored-by: Rohit Gohri <code@rohit.page>

Author: mauris

.changeset/small-poets-sing.md

@@ -0,0 +1,5 @@
+---
+"docusaurus-plugin-redoc": patch
+---
+
+Update paths to watch for handling multi-file OpenAPI docs

packages/docusaurus-plugin-redoc/src/index.ts

@@ -46,6 +46,7 @@ export default function redocPlugin(
     'redocusaurus',
     `${options.id || 'api-spec'}.yaml`,
   );
+  let filesToWatch: string[] = isSpecFile ? [path.resolve(spec)] : [];
 
   if (debug) {
     console.error('[REDOCUSAURUS_PLUGIN] Opts Input:', opts);
@@ -86,11 +87,17 @@ export default function redocPlugin(
         redoclyConfig = await loadConfig();
       }
 
-      const { bundle: bundledSpec, problems } = await bundle({
+      const {
+        bundle: bundledSpec,
+        problems,
+        fileDependencies,
+      } = await bundle({
         ref: spec,
         config: redoclyConfig,
       });
 
+      filesToWatch = [path.resolve(spec), ...fileDependencies];
+
       if (problems?.length) {
         console.error('[REDOCUSAURUS_PLUGIN] errors while bundling spec', spec);
 
@@ -184,7 +191,7 @@ export default function redocPlugin(
       if (!isSpecFile) {
         return [];
       }
-      return [path.resolve(spec)];
+      return filesToWatch;
     },
   };
 }