feat: add presignedUrl method to upload sdk (#12569)

packages/core/js-sdk/src/admin/upload.ts

@@ -135,4 +135,36 @@ export class Upload {
       }
     )
   }
+
+  /**
+   * This method creates a presigned URL for a file upload. It sends a request to the
+   * `/admin/uploads/presigned-urls` API route.
+   *
+   * @param body - The details of the file to upload.
+   * @param query - Query parameters to pass in the request.
+   * @param headers - Headers to pass in the request.
+   * @returns The presigned URL for the file upload.
+   *
+   * @example
+   * sdk.admin.upload.presignedUrl({
+   *   name: "test.txt",
+   *   size: 1000,
+   *   type: "text/plain",
+   * }))
+   */
+  async presignedUrl(
+    body: HttpTypes.AdminUploadPreSignedUrlRequest,
+    query?: SelectParams,
+    headers?: ClientHeaders
+  ) {
+    return this.client.fetch<HttpTypes.AdminUploadPreSignedUrlResponse>(
+      `/admin/uploads/presigned-urls`,
+      {
+        method: "POST",
+        headers,
+        body,
+        query,
+      }
+    )
+  }
 }