feat: Optimize the code

packages/core/src/tools/web-search/base-provider.ts

@@ -9,10 +9,11 @@ import type {
   WebSearchResult,
   WebSearchResultItem,
 } from './types.js';
-import { getErrorMessage } from '../../utils/errors.js';
+import { WebSearchError } from './errors.js';
 
 /**
  * Base implementation for web search providers.
+ * Provides common functionality for error handling and result formatting.
  */
 export abstract class BaseWebSearchProvider implements WebSearchProvider {
   abstract readonly name: string;
@@ -41,16 +42,19 @@ export abstract class BaseWebSearchProvider implements WebSearchProvider {
    */
   async search(query: string, signal: AbortSignal): Promise<WebSearchResult> {
     if (!this.isAvailable()) {
-      throw new Error(
-        `${this.name} provider is not available. Please check your configuration.`,
+      throw new WebSearchError(
+        this.name,
+        'Provider is not available. Please check your configuration.',
       );
     }
 
     try {
       return await this.performSearch(query, signal);
     } catch (error: unknown) {
-      const errorMessage = getErrorMessage(error);
-      throw new Error(`Error during ${this.name} search: ${errorMessage}`);
+      if (error instanceof WebSearchError) {
+        throw error;
+      }
+      throw new WebSearchError(this.name, 'Search failed', error);
     }
   }
 
@@ -58,6 +62,7 @@ export abstract class BaseWebSearchProvider implements WebSearchProvider {
    * Format search results into a consistent format.
    * @param results Raw results from the provider
    * @param query The original search query
+   * @param answer Optional answer from the provider
    * @returns Formatted search results
    */
   protected formatResults(
@@ -71,31 +76,4 @@ export abstract class BaseWebSearchProvider implements WebSearchProvider {
       results,
     };
   }
-
-  /**
-   * Create a formatted source list for display.
-   * @param results Search result items
-   * @returns Formatted source list
-   */
-  protected createSourceList(results: WebSearchResultItem[]): string {
-    return results
-      .map((r, i) => `[${i + 1}] ${r.title || 'Untitled'} (${r.url})`)
-      .join('\n');
-  }
-
-  /**
-   * Build a concise summary from search results.
-   * @param results Search result items
-   * @param maxResults Maximum number of results to include
-   * @returns Concise summary string
-   */
-  protected buildSummary(
-    results: WebSearchResultItem[],
-    maxResults: number = 3,
-  ): string {
-    return results
-      .slice(0, maxResults)
-      .map((r, i) => `${i + 1}. ${r.title} - ${r.url}`)
-      .join('\n');
-  }
 }