feat: get access token & refresh tokens for server type SASJS

src/auth/getAccessTokenForSasjs.ts

@@ -0,0 +1,36 @@
+import { prefixMessage } from '@sasjs/utils/error'
+import { RequestClient } from '../request/RequestClient'
+
+/**
+ * Exchanges the auth code for an access token for the given client.
+ * @param requestClient - the pre-configured HTTP request client
+ * @param clientId - the client ID to authenticate with.
+ * @param authCode - the auth code received from the server.
+ */
+export async function getAccessTokenForSasjs(
+  requestClient: RequestClient,
+  clientId: string,
+  authCode: string
+) {
+  const url = '/SASjsApi/auth/token'
+  const data = {
+    clientId,
+    code: authCode
+  }
+
+  return await requestClient
+    .post(url, data, undefined)
+    .then((res) => {
+      const sasAuth = res.result as {
+        accessToken: string
+        refreshToken: string
+      }
+      return {
+        access_token: sasAuth.accessToken,
+        refresh_token: sasAuth.refreshToken
+      }
+    })
+    .catch((err) => {
+      throw prefixMessage(err, 'Error while getting access token. ')
+    })
+}