Tweak language parsing to improve clarity

Author: henrymercer

lib/resolve-environment.js

@@ -20,10 +20,11 @@ export async function runResolveBuildEnvironment(
   const codeql = await getCodeQL(cmd);
 
   let language = languageInput;
-  if (await util.codeQlVersionAbove(codeql, CODEQL_VERSION_LANGUAGE_ALIASING)) {
-    // Delegate to the CodeQL CLI to handle aliasing.
-  } else {
-    // Handle aliasing in the Action using `parseLanguage`.
+  // If the CodeQL CLI version in use supports language aliasing, give the CLI the raw language
+  // input. Otherwise, parse the language input and give the CLI the parsed language.
+  if (
+    !(await util.codeQlVersionAbove(codeql, CODEQL_VERSION_LANGUAGE_ALIASING))
+  ) {
     const parsedLanguage = parseLanguage(languageInput)?.toString();
     if (parsedLanguage === undefined) {
       throw new Error(`Did not recognize the language '${languageInput}'.`);