Improve type of trapCaches now Language is non-exhaustive

src/analyze-action.ts

@@ -99,10 +99,7 @@ async function sendStatusReport(
         ...report,
         trap_cache_upload_duration_ms: Math.round(trapCacheUploadTime || 0),
         trap_cache_upload_size_bytes: Math.round(
-          await getTotalCacheSize(
-            Object.values(config.trapCaches).filter((x) => x !== undefined),
-            logger,
-          ),
+          await getTotalCacheSize(Object.values(config.trapCaches), logger),
         ),
       };
       await statusReport.sendStatusReport(trapCacheUploadStatusReport);

src/config-utils.ts

@@ -146,7 +146,7 @@ export interface Config {
    * Partial map from languages to locations of TRAP caches for that language.
    * If a key is omitted, then TRAP caching should not be used for that language.
    */
-  trapCaches: Partial<Record<Language, string>>;
+  trapCaches: { [language: Language]: string };
 
   /**
    * Time taken to download TRAP caches. Used for status reporting.
@@ -537,10 +537,10 @@ async function downloadCacheWithTime(
   languages: Language[],
   logger: Logger,
 ): Promise<{
-  trapCaches: Partial<Record<Language, string>>;
+  trapCaches: { [language: string]: string };
   trapCacheDownloadTime: number;
 }> {
-  let trapCaches = {};
+  let trapCaches: { [language: string]: string } = {};
   let trapCacheDownloadTime = 0;
   if (trapCachingEnabled) {
     const start = performance.now();

src/init-action.ts

@@ -240,10 +240,7 @@ async function sendCompletedStatusReport(
       packs: JSON.stringify(packs),
       trap_cache_languages: Object.keys(config.trapCaches).join(","),
       trap_cache_download_size_bytes: Math.round(
-        await getTotalCacheSize(
-          Object.values(config.trapCaches).filter((x) => x !== undefined),
-          logger,
-        ),
+        await getTotalCacheSize(Object.values(config.trapCaches), logger),
       ),
       trap_cache_download_duration_ms: Math.round(config.trapCacheDownloadTime),
       overlay_base_database_download_size_bytes:

src/trap-caching.ts

@@ -50,8 +50,8 @@ export async function downloadTrapCaches(
   codeql: CodeQL,
   languages: Language[],
   logger: Logger,
-): Promise<Partial<Record<Language, string>>> {
-  const result: Partial<Record<Language, string>> = {};
+): Promise<{ [language: string]: string }> {
+  const result: { [language: string]: string } = {};
   const languagesSupportingCaching = await getLanguagesSupportingCaching(
     codeql,
     languages,