Handle pagination via get or post

Author: razor-x

src/lib/seam/connect/seam-http-request.ts

@@ -48,7 +48,6 @@ export class SeamHttpRequest<
 
   public get url(): URL {
     const { client } = this.#parent
-    const { params } = this.#config
 
     const serializer =
       typeof client.defaults.paramsSerializer === 'function'
@@ -58,7 +57,9 @@ export class SeamHttpRequest<
     const origin = getUrlPrefix(client.defaults.baseURL ?? '')
 
     const path =
-      params == null ? this.pathname : `${this.pathname}?${serializer(params)}`
+      this.params == null
+        ? this.pathname
+        : `${this.pathname}?${serializer(this.params)}`
 
     return new URL(`${origin}${path}`)
   }
@@ -120,10 +121,10 @@ export class SeamHttpRequest<
   async fetchResponse(): Promise<TResponse> {
     const { client } = this.#parent
     const response = await client.request({
-      url: this.#config.pathname,
-      method: this.#config.method,
-      data: this.#config.body,
-      params: this.#config.params,
+      url: this.pathname,
+      method: this.method,
+      data: this.body,
+      params: this.params,
     })
     return response.data as unknown as TResponse
   }

src/lib/seam/connect/seam-paginator.ts

@@ -63,23 +63,38 @@ export class SeamPaginator<
       pathname: this.#request.pathname,
       method: 'get',
       responseKey,
-      params: { ...this.#request.params, next_page_cursor: nextPageCursor },
+      params:
+        this.#request.params != null
+          ? { ...this.#request.params, next_page_cursor: nextPageCursor }
+          : undefined,
+      body:
+        this.#request.body != null
+          ? { ...this.#request.body, next_page_cursor: nextPageCursor }
+          : undefined,
     })
+
     const response = await request.fetchResponse()
     const data = response[responseKey]
-    const pagination: Pagination =
+
+    const paginationData =
       response != null &&
       typeof response === 'object' &&
       'pagination' in response
-        ? (response.pagination as Pagination)
-        : {
-            hasNextPage: false,
-            nextPageCursor: null,
-            nextPageUrl: null,
-          }
+        ? (response.pagination as PaginationData)
+        : null
+
+    const pagination: Pagination = {
+      hasNextPage: paginationData?.has_next_page ?? false,
+      nextPageCursor: paginationData?.next_page_cursor ?? null,
+      nextPageUrl: paginationData?.next_page_url ?? null,
+    }
+
     if (!Array.isArray(data)) {
-      throw new Error('Expected an array response')
+      throw new Error(
+        `Expected an array response for ${String(responseKey)} but got ${String(typeof data)}`,
+      )
     }
+
     return [
       data as EnsureReadonlyArray<TResponse[TResponseKey]>,
       pagination,
@@ -126,3 +141,9 @@ export class SeamPaginator<
 
 type EnsureReadonlyArray<T> = T extends readonly any[] ? T : never
 type EnsureMutableArray<T> = T extends any[] ? T : never
+
+interface PaginationData {
+  has_next_page: boolean
+  next_page_cursor: string | null
+  next_page_url: string | null
+}