feat: print the supported versions when throwing errors

cspell.config.yaml

@@ -11,6 +11,7 @@ ignorePaths:
   - "**/node_modules/"
 words:
   - aarch
+  - clangd
   - aminya
   - applellvm
   - bazel

src/llvm/llvm_url.ts

@@ -66,7 +66,7 @@ export const VERSIONS: Set<string> = getVersions([
   "16.0.1",
   "16.0.2",
   "16.0.3",
-  "16.0.4"
+  "16.0.4",
 ])
 
 /** The LLVM versions that were never released for the Windows platform. */
@@ -96,7 +96,7 @@ const DARWIN_MISSING = new Set([
   "16.0.1",
   "16.0.2",
   "16.0.3",
-  "16.0.4"
+  "16.0.4",
 ])
 
 /**

src/utils/setup/version.ts

@@ -49,7 +49,11 @@ export async function getSpecificVersionAndUrl(
 
   // if the given set doesn't include the version, throw an error
   if (!versions.has(version)) {
-    throw new Error(`Unsupported target! (platform='${platform}', version='${version}')`)
+    throw new Error(
+      `Unsupported target! (platform='${platform}', version='${version}'). Try one of the following: ${JSON.stringify(
+        versions
+      )}`
+    )
   }
 
   const offlineUrls: string[] = []
@@ -68,8 +72,8 @@ export async function getSpecificVersionAndUrl(
   }
 
   throw new Error(
-    `Unsupported target! (platform='${platform}', version='${version}'). The offline urls tested:\n${offlineUrls.join(
+    `Unsupported target! (platform='${platform}', version='${version}'). Try one of the following: ${JSON.stringify(
-      "\n"
+      versions
     )}`
   )
 }