From 933ea23ceb82e3c092385eea6a20af07b2d01f6f Mon Sep 17 00:00:00 2001
From: Sindre Sorhus <sindresorhus@gmail.com>
Date: Sun, 11 Oct 2020 21:03:38 +0200
Subject: [PATCH] Fix obscure unhandled rejection when calling `.clear()`
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No tests as I was unable to reproduce this…

Fixes #119
---
 source/index.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/source/index.ts b/source/index.ts
index c5bd847..0273b9b 100644
--- a/source/index.ts
+++ b/source/index.ts
@@ -164,9 +164,14 @@ export default class PQueue<QueueType extends Queue<RunFunction, EnqueueOptionsT
 		if (!this._isPaused) {
 			const canInitializeInterval = !this._isIntervalPaused();
 			if (this._doesIntervalAllowAnother && this._doesConcurrentAllowAnother) {
+				const job = this._queue.dequeue();
+				if (!job) {
+					return false;
+				}
+
 				this.emit('active');
+				job();
 
-				this._queue.dequeue()!();
 				if (canInitializeInterval) {
 					this._initializeIntervalIfNeeded();
 				}