From f1400a4ed3bfb02865b7156719e54c887f145d75 Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@kullo.net>
Date: Fri, 20 Jul 2018 16:53:19 +0200
Subject: [PATCH] Convert rejected Promises into exceptions

---
 index.js | 22 +++++++++++++++-------
 test.js  |  6 ++++++
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/index.js b/index.js
index 6990eb0..6ccb6b0 100644
--- a/index.js
+++ b/index.js
@@ -75,17 +75,25 @@
 	};
 
 	module.exports.await = function(pr) {
-		var done, result;
-
-		done = false;
-		result = undefined;
+		var done = false;
+		var rejected = false;
+		var resolutionResult = undefined;
+		var rejectionResult = undefined;
 
 		pr.then(function(r) {
-			done   = true;
-			return result = r;
+			done = true;
+			resolutionResult = r;
+		}).catch(function(e) {
+			done = true;
+			rejected = true;
+			rejectionResult = e;
 		});
 		deasync.loopWhile(() => { return !done });
-		return result;
+
+		if (rejected) {
+			throw rejectionResult;
+		}
+		return resolutionResult;
 	};
 
 }());
diff --git a/test.js b/test.js
index 484e7e8..23d176b 100644
--- a/test.js
+++ b/test.js
@@ -43,3 +43,9 @@ async function trim(str) {
 }
 
 console.log(deasync.await(trim('       hello       ')))
+
+try {
+  deasync.await(Promise.reject("Should result in exception"));
+} catch(e) {
+  console.log("Got expected exception:", e);
+}