Use Node.js built-in FormData (#709)

This should fix #708. There's FormData class built-in since Node.js 18,
so we should just use that.

Co-authored-by: Tokuhiro Matsuno <tokuhirom@gmail.com>

Author: dlackty

lib/client.ts

@@ -642,14 +642,12 @@ export default class Client {
   }) {
     const file = await this.http.toBuffer(uploadAudienceGroup.file);
     const body = createMultipartFormData({ ...uploadAudienceGroup, file });
-    const res = await this.http.post<{
+    const res = await this.http.postFormMultipart<{
       audienceGroupId: number;
       type: "UPLOAD";
       description: string;
       created: number;
-    }>(`${DATA_API_PREFIX}/audienceGroup/upload/byFile`, body, {
-      headers: body.getHeaders(),
-    });
+    }>(`${DATA_API_PREFIX}/audienceGroup/upload/byFile`, body);
     return ensureJSON(res);
   }
 
@@ -685,10 +683,10 @@ export default class Client {
     const file = await this.http.toBuffer(uploadAudienceGroup.file);
     const body = createMultipartFormData({ ...uploadAudienceGroup, file });
 
-    const res = await this.http.put<{}>(
+    const res = await this.http.putFormMultipart<{}>(
       `${DATA_API_PREFIX}/audienceGroup/upload/byFile`,
       body,
-      { headers: body.getHeaders(), ...httpConfig },
+      httpConfig,
     );
     return ensureJSON(res);
   }

lib/http.ts

@@ -106,8 +106,12 @@ export default class HTTPClient {
     return res.data;
   }
 
-  public async putFormMultipart<T>(url: string, form: FormData): Promise<T> {
-    const res = await this.instance.put<T>(url, form);
+  public async putFormMultipart<T>(
+    url: string,
+    form: FormData,
+    config?: Partial<AxiosRequestConfig>,
+  ): Promise<T> {
+    const res = await this.instance.put<T>(url, form, config);
     return res.data;
   }
 

lib/utils.ts

@@ -1,5 +1,4 @@
 import { JSONParseError } from "./exceptions";
-import * as FormData from "form-data";
 
 export function toArray<T>(maybeArr: T | T[]): T[] {
   return Array.isArray(maybeArr) ? maybeArr : [maybeArr];
@@ -20,7 +19,7 @@ export function createMultipartFormData(
   const formData = this instanceof FormData ? this : new FormData();
   Object.entries(formBody).forEach(([key, value]) => {
     if (Buffer.isBuffer(value) || value instanceof Uint8Array) {
-      formData.append(key, value);
+      formData.append(key, new Blob([value]));
     } else {
       formData.append(key, String(value));
     }

package-lock.json

@@ -42,8 +42,7 @@
     "@types/node": "^20.0.0",
     "axios": "^1.0.0",
     "body-parser": "^1.20.0",
-    "file-type": "^16.5.4",
-    "form-data": "^4.0.0"
+    "file-type": "^16.5.4"
   },
   "devDependencies": {
     "@types/express": "4.17.21",