From dfc37fa77ac20c4580f830b6431dd1cbe56b8a56 Mon Sep 17 00:00:00 2001
From: Kevin Wang <kevmo314@gmail.com>
Date: Thu, 1 Apr 2021 15:06:11 -0400
Subject: [PATCH] stricter typing on resolution (#187)

---
 src/stream.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/stream.ts b/src/stream.ts
index 851f6547..30808bc6 100644
--- a/src/stream.ts
+++ b/src/stream.ts
@@ -7,7 +7,7 @@ interface VideoConstraints {
   };
 }
 
-const resolutions = ['qvga', 'vga', 'shd', 'hd', 'fhd', 'qhd'];
+const resolutions = ['qvga', 'vga', 'shd', 'hd', 'fhd', 'qhd'] as const;
 
 export const VideoConstraints: VideoConstraints = {
   qvga: {
@@ -105,14 +105,14 @@ export interface Encoding {
 }
 
 export interface Constraints extends MediaStreamConstraints {
-  resolution: string;
+  resolution: typeof resolutions[number];
   codec: string;
   simulcast?: boolean;
   sendEmptyOnMute?: boolean;
   preferredCodecProfile?: string;
 }
 
-const defaults = {
+const defaults: Constraints = {
   resolution: 'hd',
   codec: 'vp8',
   audio: true,