community[patch]: cheerio loader fetch headers type error (#5905)

* fix: cheerio loader fetch headers type error

* fix ci

---------

Co-authored-by: xujingzhu <[email protected]>
Co-authored-by: Brace Sproul <[email protected]>

Author: 3 people

libs/langchain-community/src/document_loaders/web/cheerio.ts

@@ -36,7 +36,7 @@ export interface WebBaseLoaderParams extends AsyncCallerParams {
   /**
    * The headers to use in the fetch request.
    */
-  headers?: Headers;
+  headers?: HeadersInit;
 }
 
 /**
@@ -62,7 +62,7 @@ export class CheerioWebBaseLoader
 
   textDecoder?: TextDecoder;
 
-  headers?: Headers;
+  headers?: HeadersInit;
 
   constructor(public webPath: string, fields?: WebBaseLoaderParams) {
     super();
@@ -86,7 +86,7 @@ export class CheerioWebBaseLoader
     timeout: number | undefined,
     textDecoder?: TextDecoder,
     options?: CheerioOptions & {
-      headers?: Headers;
+      headers?: HeadersInit;
     }
   ): Promise<CheerioAPI[]> {
     return Promise.all(
@@ -102,7 +102,7 @@ export class CheerioWebBaseLoader
     timeout: number | undefined,
     textDecoder?: TextDecoder,
     options?: CheerioOptions & {
-      headers?: Headers;
+      headers?: HeadersInit;
     }
   ): Promise<CheerioAPI> {
     const { headers, ...cheerioOptions } = options ?? {};