Server sent event response viewer (#126)

src-web/lib/contentType.ts

@@ -35,3 +35,15 @@ function detectFromContent(
 
   return fallback;
 }
+
+export function isJSON(content: string | null | undefined): boolean {
+  if (typeof content !== 'string') return false;
+
+  try {
+    JSON.parse(content)
+    return true;
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  } catch (err) {
+    return false;
+  }
+}

src-web/lib/responseBody.ts

@@ -1,26 +1,34 @@
 import { readFile } from '@tauri-apps/plugin-fs';
 import type { HttpResponse } from '@yaakapp-internal/models';
+import type { ServerSentEvent } from '@yaakapp-internal/sse';
 import { getCharsetFromContentType } from './model_util';
+import { invokeCmd } from './tauri';
 
 export async function getResponseBodyText(response: HttpResponse): Promise<string | null> {
-  if (response.bodyPath) {
-    const bytes = await readFile(response.bodyPath);
-    const charset = getCharsetFromContentType(response.headers);
+  if (!response.bodyPath) return null;
 
-    try {
-      return new TextDecoder(charset ?? 'utf-8', { fatal: true }).decode(bytes);
-      // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    } catch (err) {
-      // Failed to decode as text, so return null
-      return null;
-    }
+  const bytes = await readFile(response.bodyPath);
+  const charset = getCharsetFromContentType(response.headers);
+
+  try {
+    return new TextDecoder(charset ?? 'utf-8', { fatal: true }).decode(bytes);
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  } catch (err) {
+    // Failed to decode as text, so return null
+    return null;
   }
-  return null;
 }
 
 export async function getResponseBodyBlob(response: HttpResponse): Promise<Uint8Array | null> {
-  if (response.bodyPath) {
-    return readFile(response.bodyPath);
-  }
-  return null;
+  if (!response.bodyPath) return null;
+  return readFile(response.bodyPath);
+}
+
+export async function getResponseBodyEventSource(
+  response: HttpResponse,
+): Promise<ServerSentEvent[]> {
+  if (!response.bodyPath) return [];
+  return invokeCmd<ServerSentEvent[]>('cmd_get_sse_events', {
+    filePath: response.bodyPath,
+  });
 }

src-web/lib/tauri.ts

@@ -32,6 +32,7 @@ type TauriCmd =
   | 'cmd_get_folder'
   | 'cmd_get_grpc_request'
   | 'cmd_get_http_request'
+  | 'cmd_get_sse_events'
   | 'cmd_get_key_value'
   | 'cmd_get_settings'
   | 'cmd_get_workspace'