From a78fba072a0c239bacce2259962d9d693a4b0c61 Mon Sep 17 00:00:00 2001
From: Yotam Mann <yotammann@gmail.com>
Date: Sun, 19 Jul 2020 12:04:03 -0700
Subject: [PATCH] make sure the defaults belong to the template

---
 Tone/component/channel/Recorder.ts | 4 ++--
 Tone/core/util/Defaults.ts         | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Tone/component/channel/Recorder.ts b/Tone/component/channel/Recorder.ts
index 30ad469b..c97173a9 100644
--- a/Tone/component/channel/Recorder.ts
+++ b/Tone/component/channel/Recorder.ts
@@ -55,8 +55,8 @@ export class Recorder extends ToneAudioNode<RecorderOptions> {
 	constructor(options?: Partial<RecorderOptions>);
 	constructor() {
 
-		super(optionsFromArguments(Recorder.getDefaults(), arguments, ["gain", "units"]));
-		const options = optionsFromArguments(Recorder.getDefaults(), arguments, ["gain", "units"]);
+		super(optionsFromArguments(Recorder.getDefaults(), arguments));
+		const options = optionsFromArguments(Recorder.getDefaults(), arguments);
 
 		this.input = new Gain({
 			context: this.context
diff --git a/Tone/core/util/Defaults.ts b/Tone/core/util/Defaults.ts
index ea45fbfd..23f65e16 100644
--- a/Tone/core/util/Defaults.ts
+++ b/Tone/core/util/Defaults.ts
@@ -56,10 +56,10 @@ export function deepEquals(arrayA: number[] | string[], arrayB: number[] | strin
 export function optionsFromArguments<T extends object>(
 	defaults: T,
 	argsArray: IArguments,
-	keys: string[] = [],
-	objKey?: string,
+	keys: Array<keyof T> = [],
+	objKey?: keyof T,
 ): T {
-	const opts: any = {};
+	const opts: Partial<T> = {};
 	const args = Array.from(argsArray);
 	// if the first argument is an object and has an object key
 	if (isObject(args[0]) && objKey && !Reflect.has(args[0], objKey)) {