fix(docs): try to fix swagger ui api pages, take 1

apps/server/src/routes/api_docs.ts

@@ -3,31 +3,70 @@ import swaggerUi from "swagger-ui-express";
 import { join } from "path";
 import yaml from "js-yaml";
 import type { JsonObject } from "swagger-ui-express";
-import { readFileSync } from "fs";
+import fs from "fs";
 import { RESOURCE_DIR } from "../services/resource_dir";
+import log from "../services/log";
+
+// Cache the documents to avoid repeated file reads, especially important for ASAR archives
+let etapiDocument: JsonObject | null = null;
+let apiDocument: JsonObject | null = null;
+
+function loadDocuments(): { etapi: JsonObject | null; api: JsonObject | null } {
+    if (etapiDocument && apiDocument) {
+        return { etapi: etapiDocument, api: apiDocument };
+    }
+
+    try {
+        const etapiPath = join(RESOURCE_DIR, "etapi.openapi.yaml");
+        const apiPath = join(RESOURCE_DIR, "api-openapi.yaml");
+        
+        // Load and cache the documents
+        const etapiYaml = fs.readFileSync(etapiPath, "utf8");
+        etapiDocument = yaml.load(etapiYaml) as JsonObject;
+        
+        const apiYaml = fs.readFileSync(apiPath, "utf8");
+        apiDocument = yaml.load(apiYaml) as JsonObject;
+        
+        log.info("OpenAPI documents loaded successfully");
+        return { etapi: etapiDocument, api: apiDocument };
+    } catch (error) {
+        log.error(`Failed to load OpenAPI documents from ${RESOURCE_DIR}: ${error}`);
+        return { etapi: null, api: null };
+    }
+}
 
 export default function register(app: Application) {
-    const etapiDocument = yaml.load(readFileSync(join(RESOURCE_DIR, "etapi.openapi.yaml"), "utf8")) as JsonObject;
+    try {
+        const docs = loadDocuments();
         
-    // Load the comprehensive API documentation from YAML
-    const apiDocument = yaml.load(readFileSync(join(RESOURCE_DIR, "api-openapi.yaml"), "utf8")) as JsonObject;
+        if (!docs.etapi || !docs.api) {
+            log.error("OpenAPI documents could not be loaded, skipping API documentation setup");
+            return;
+        }
 
-    app.use(
-        "/etapi/docs/",
-        swaggerUi.serveFiles(etapiDocument),
-        swaggerUi.setup(etapiDocument, {
-            explorer: true,
-            customSiteTitle: "TriliumNext ETAPI Documentation"
-        })
-    );
+        // Use serveFiles for multiple Swagger instances
+        // Note: serveFiles returns an array of middleware, so we need to spread it
+        app.use(
+            "/etapi/docs", 
+            ...swaggerUi.serveFiles(docs.etapi), 
+            swaggerUi.setup(docs.etapi, {
+                explorer: true,
+                customSiteTitle: "TriliumNext ETAPI Documentation"
+            })
+        );
 
-    app.use(
-        "/api/docs/",
-        swaggerUi.serveFiles(apiDocument),
-        swaggerUi.setup(apiDocument, {
-            explorer: true,
-            customSiteTitle: "TriliumNext Internal API Documentation",
-            customCss: '.swagger-ui .topbar { display: none }'
-        })
-    );
+        app.use(
+            "/api/docs", 
+            ...swaggerUi.serveFiles(docs.api), 
+            swaggerUi.setup(docs.api, {
+                explorer: true,
+                customSiteTitle: "TriliumNext Internal API Documentation",
+                customCss: '.swagger-ui .topbar { display: none }'
+            })
+        );
+        
+        log.info("Swagger UI endpoints registered at /etapi/docs and /api/docs");
+    } catch (error) {
+        log.error(`Failed to setup API documentation: ${error}`);
+    }
 }