Disallow redundant typecasts. (#15030)

packages/core/src/utils/checkpointUtils.ts

@@ -48,7 +48,7 @@ export function getToolCallDataSchema(historyItemSchema?: z.ZodTypeAny) {
 export function generateCheckpointFileName(
   toolCall: ToolCallRequestInfo,
 ): string | null {
-  const toolArgs = toolCall.args as Record<string, unknown>;
+  const toolArgs = toolCall.args;
   const toolFilePath = toolArgs['file_path'] as string;
 
   if (!toolFilePath) {

packages/core/src/utils/filesearch/crawlCache.ts

@@ -40,7 +40,7 @@ export const read = (key: string): string[] | undefined => crawlCache.get(key);
 export const write = (key: string, results: string[], ttlMs: number): void => {
   // Clear any existing timer for this key to prevent premature deletion
   if (cacheTimers.has(key)) {
-    clearTimeout(cacheTimers.get(key)!);
+    clearTimeout(cacheTimers.get(key));
   }
 
   // Store the new data

packages/core/src/utils/filesearch/fileSearch.ts

@@ -129,7 +129,7 @@ class RecursiveFileSearch implements FileSearch {
 
     let filteredCandidates;
     const { files: candidates, isExactMatch } =
-      await this.resultCache!.get(pattern);
+      await this.resultCache.get(pattern);
 
     if (isExactMatch) {
       // Use the cached result.
@@ -151,7 +151,7 @@ class RecursiveFileSearch implements FileSearch {
       }
 
       if (shouldCache) {
-        this.resultCache!.set(pattern, filteredCandidates);
+        this.resultCache.set(pattern, filteredCandidates);
       }
     }
 

packages/core/src/utils/tool-utils.ts

@@ -29,7 +29,7 @@ export function doesToolInvocationMatch(
   if (isTool(toolOrToolName)) {
     toolNames = [toolOrToolName.name, toolOrToolName.constructor.name];
   } else {
-    toolNames = [toolOrToolName as string];
+    toolNames = [toolOrToolName];
   }
 
   if (toolNames.some((name) => SHELL_TOOL_NAMES.includes(name))) {