fix: reuse loaded AsyncAPI input to avoid duplicate parsing (issue #2017)

src/apps/cli/commands/generate/fromTemplate.ts

@@ -1,7 +1,6 @@
 import { Args } from '@oclif/core';
 import { BaseGeneratorCommand } from '@cli/internal/base/BaseGeneratorCommand';
 import { load, Specification } from '@models/SpecificationFile';
-import { ValidationError } from '@errors/validation-error';
 import { GeneratorError } from '@errors/generator-error';
 import { intro } from '@clack/prompts';
 import { inverse } from 'picocolors';
@@ -65,19 +64,7 @@
     const watchTemplate = flags['watch'];
     const genOption = this.buildGenOption(flags, parsedFlags);
 
-    let specification: Specification;
-    try {
-      specification = await load(asyncapi);
-    } catch {
-      return this.error(
-        new ValidationError({
-
-          type: 'invalid-file',
-          filepath: asyncapi,
-        }),
-        { exit: 1 },
-      );
-    }
+    const specification = asyncapiInput;
 
     const result = await this.generatorService.generate(
       specification,

src/utils/generate/registry.ts

@@ -8,12 +8,26 @@
 
 export async function registryValidation(registryUrl?: string, registryAuth?: string, registryToken?: string) {
   if (!registryUrl) { return; }
+  const TIMEOUT_MS = 5000;
+  const controller = new AbortController();
+  const timeoutId = setTimeout(() => controller.abort(), TIMEOUT_MS);
+
   try {
-    const response = await fetch(registryUrl as string);
+    const response = await fetch(registryUrl as string, {
+      method: 'HEAD',
+      signal: controller.signal,
+    });
+    clearTimeout(timeoutId);
+
     if (response.status === 401 && !registryAuth && !registryToken) {
       throw new Error('You Need to pass either registryAuth in username:password encoded in Base64 or need to pass registryToken');
     }
-  } catch {
-    throw new Error(`Can't fetch registryURL: ${registryUrl}`);
+  } catch (err: any) {
+    clearTimeout(timeoutId);
+    if (err.name === 'AbortError') {
+      throw new Error(`Registry URL timed out after ${TIMEOUT_MS}ms: ${registryUrl}`);
+    }
+    const cause = err.cause ? `\nCaused by: ${err.cause}` : '';
+    throw new Error(`Can't fetch registryURL: ${registryUrl}${cause}`);
   }
 }