feat(sdk): handle errors from i18n when streaming (#574)

Author: mathio

.changeset/tender-suns-cry.md

@@ -0,0 +1,6 @@
+---
+"lingo.dev": patch
+"@lingo.dev/_sdk": patch
+---
+
+handle errors from i18n when streaming

packages/cli/src/cli/cmd/i18n.ts

@@ -401,7 +401,7 @@ async function retryWithExponentialBackoff<T>(
 }
 
 function createLocalizationEngineConnection(params: { apiKey: string; apiUrl: string; maxRetries?: number }) {
-  const replexicaEngine = new LingoDotDevEngine({
+  const engine = new LingoDotDevEngine({
     apiKey: params.apiKey,
     apiUrl: params.apiUrl,
   });
@@ -423,7 +423,7 @@ function createLocalizationEngineConnection(params: { apiKey: string; apiUrl: st
     ) => {
       return retryWithExponentialBackoff(
         () =>
-          replexicaEngine.localizeObject(
+          engine.localizeObject(
             args.processableData,
             {
               sourceLocale: args.sourceLocale,

packages/sdk/src/index.ts

@@ -129,6 +129,12 @@ export class LingoDotDevEngine {
     }
 
     const jsonResponse = await res.json();
+
+    // when streaming the error is returned in the response body
+    if (!jsonResponse.data && jsonResponse.error) {
+      throw new Error(jsonResponse.error);
+    }
+
     return jsonResponse.data || {};
   }