catch unhandled promise rejections in build

1 files changed, 6 insertions, 0 deletions

diff --git a/gulpfile.js b/gulpfile.js
index f82bdbf2bb5..70aab71c296 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -58,8 +58,14 @@ var ALL_EDITOR_TASKS = [
 	'tslint',
 	'hygiene',
 ];
+
 var runningEditorTasks = process.argv.length > 2 && process.argv.slice(2).every(function (arg) { return (ALL_EDITOR_TASKS.indexOf(arg) !== -1); });
 
+process.on('unhandledRejection', (reason, p) => {
+	console.log('Unhandled Rejection at: Promise', p, 'reason:', reason);
+	process.exit(1);
+});
+
 if (runningEditorTasks) {
 	require(`./build/gulpfile.editor`);
 	require(`./build/gulpfile.hygiene`);