Add index file. Add prepare script

package.json

@@ -1,11 +1,12 @@
 {
-  "name": "ssesession",
+  "name": "sse-session",
   "version": "0.0.1",
   "description": "",
   "scripts": {
     "build": "tsc",
     "test": "vitest run",
-    "test:watch": "vitest"
+    "test:watch": "vitest",
+    "prepare": "npm run build"
   },
   "files": [
     "dist"

src/index.ts

@@ -0,0 +1,5 @@
+export * from "./types.js";
+export * from "./sse-session.js";
+export * from "./sse-event-parser.js";
+
+export * from "./utils/index.js";

src/sse-session.ts

@@ -411,7 +411,9 @@ export class SSESession extends EventEmitter<SSESessionEventMap> {
     const response = await this.options.fetch(this.url, requestOptions);
 
     if (!response.ok) {
-      throw new Error(`HTTP error! Status: ${response.status}`);
+      const responseCode = response.status;
+      const responseText = await response.text();
+      throw new Error(`HTTP error! Status: ${responseCode} - ${responseText}`);
     }
 
     if (!response.body) {

src/utils/index.ts

@@ -0,0 +1,4 @@
+export * from "./async-push-iterator.js";
+export * from "./exponential-backoff.js";
+export * from "./event-emitter.js";
+export * from "./misc.js";