Merge 1e9049d0ef into 1a651607e1

index.js

@@ -22,6 +22,10 @@ module.exports = (promise, ms, fallback) => new Promise((resolve, reject) => {
 		const message = typeof fallback === 'string' ? fallback : `Promise timed out after ${ms} milliseconds`;
 		const err = fallback instanceof Error ? fallback : new TimeoutError(message);
 
+		if (typeof promise.cancel === 'function') {
+			promise.cancel(err);
+		}
+
 		reject(err);
 	}, ms);