feat: parse xml response

package.json

@@ -28,7 +28,9 @@
   "types": "lib/index.d.ts",
   "dependencies": {
     "@scaleleap/amazon-marketplaces": "^4.0.2",
-    "axios": "^0.19.2"
+    "@sinclair/typebox": "^0.9.13",
+    "axios": "^0.19.2",
+    "xml2js": "^0.4.23"
   },
   "devDependencies": {
     "@scaleleap/config": "1.6.1",

src/http.ts

@@ -1,6 +1,7 @@
 import { AmazonMarketplace } from '@scaleleap/amazon-marketplaces'
 import axios from 'axios'
 import { URLSearchParams } from 'url'
+import { parseString } from 'xml2js'
 
 import { sign } from './sign'
 
@@ -46,16 +47,29 @@ const canonicalizeParameters = (parameters: Parameters): string => {
   return sp.toString().replace(/\+/g, '%20')
 }
 
-const defaultFetch = ({ url, method, headers, data }: Request) =>
-  axios({ method, url, headers, data }).then((response) => response.data)
+const defaultFetch = <T>({ url, method, headers, data }: Request) =>
+  axios({ method, url, headers, data }).then(
+    (response) =>
+      new Promise<T>((resolve, reject) =>
+        parseString(response.data, (error, result) => {
+          if (error) {
+            reject(error)
+          }
+          resolve(result)
+        }),
+      ),
+  )
 
 export class HttpClient {
   constructor(
     private options: MWSOptions,
     private fetch: <T>(meta: Request) => Promise<T> = defaultFetch,
   ) {}
 
-  request<TResource extends Resource>(method: HttpMethod, info: ResourceInfo<TResource>) {
+  request<TResource extends Resource, TRes>(
+    method: HttpMethod,
+    info: ResourceInfo<TResource>,
+  ): Promise<TRes> {
     const marketplaceUri = this.options.marketplace.webServiceUri
 
     const host = marketplaceUri.replace('https://', '')

src/sections/sellers.ts

@@ -1,10 +1,42 @@
 import { HttpClient, Resource } from '../http'
 
+interface MarketplaceParticipations {
+  ListMarketplaceParticipationsResponse: {
+    ListMarketplaceParticipationsResult: [
+      {
+        NextToken: [string]
+        ListParticipations: Array<{
+          Participation: [
+            {
+              MarketplaceId: [string]
+              SellerId: [string]
+              HasSellerSuspendedListings: [string]
+            },
+          ]
+        }>
+        ListMarketplaces: Array<{
+          Marketplace: [
+            {
+              MarketplaceId: [string]
+              Name: [string]
+              DefaultCountryCode: [string]
+              DefaultCurrencyCode: [string]
+              DefaultLanguageCode: [string]
+              DomainName: [string]
+            },
+          ]
+        }>
+      },
+    ]
+    ResponseMetadata: [{ RequestId: [string] }]
+  }
+}
+
 export class Sellers {
   constructor(private httpClient: HttpClient) {}
 
-  // TODO: type and parse response
-  listMarketplaceParticipations() {
+  // TODO: transform response
+  async listMarketplaceParticipations() {
     return this.httpClient.request('POST', {
       resource: Resource.Sellers,
       version: '2011-07-01',