diff --git a/src/events/buttonUsed.ts b/src/events/buttonUsed.ts
index 9fcefe00..87d37f7e 100644
--- a/src/events/buttonUsed.ts
+++ b/src/events/buttonUsed.ts
@@ -1,4 +1,3 @@
-import { Component } from "@interfaces/components";
 import { Event } from "@interfaces/events";
 import { Client, ButtonInteraction } from "@client";
 import { info } from "@helpers/logger";
@@ -8,11 +7,11 @@ export default {
 	async execute(client: Client, interaction: ButtonInteraction) {
 		client.storeAction("button", interaction);
 
-		if (client.verbose) console.log(`${info}Button used`);
-		let button: Component;
+		if (client.verbose) console.log(`${info}Button used!`);
 
-		if (interaction.customId.startsWith("pollVote__")) button = client.buttons.get("pollVote");
-		else button = client.buttons.get(interaction.customId);
+		const button = interaction.customId.startsWith("pollVote__")
+			? client.buttons.get("pollVote")
+			: client.buttons.get(interaction.customId);
 
 		if (button) return button.execute(client, interaction);
 	},
diff --git a/src/helpers/exec.ts b/src/helpers/exec.ts
index 81560dcd..94e834b4 100644
--- a/src/helpers/exec.ts
+++ b/src/helpers/exec.ts
@@ -1,29 +1,33 @@
-// spawn a child process and execute shell command
-// borrowed from https://github.com/mout/mout/ build script
-// borrowed from Miller Medeiros on https://gist.github.com/millermedeiros/4724047
-// released under MIT License
-// version: 0.1.0 (2021/08/13)
-
 import { dev } from "@json/tokens.json";
+import { spawn, SpawnOptions } from "child_process";
+
+/**
+ * spawn a child process and execute shell command
+ * borrowed from https://github.com/mout/mout/ build script
+ * borrowed from Miller Medeiros on https://gist.github.com/millermedeiros/4724047
+ * released under MIT License
+ * version: 0.1.0 (2021/08/13)
+ */
 
 /**
  * execute a single shell command where "cmd" is a string
- * @author Juknum
+ * @author Miller Medeiros
  * @param cmd what command to run
- * @param cb what to run afterwards (grabs error too)
+ * @param cb callback to run afterwards (grabs error too)
  * @param options extra command line options for child_process
  */
-export const execSync = (cmd: string, cb: Function, options = undefined) => {
+export const execSync = (cmd: string, cb: Function, options: SpawnOptions = {}) => {
 	// this would be way easier on a shell/bash script :P
-	const child_process = require("child_process");
 	const parts = cmd.split(/\s+/g);
 
 	// don't spam console logs in production with command outputs
-	let opt = { stdio: dev ? "inherit" : "ignore" };
-
-	if (options !== undefined) opt = Object.assign({}, opt, options);
+	const opt: SpawnOptions = {
+		// ordered as [stdin, stdout, stderr]
+		stdio: dev ? "inherit" : ["ignore", "ignore", "inherit"],
+		...options,
+	};
 
-	const p = child_process.spawn(parts[0], parts.slice(1), opt);
+	const p = spawn(parts[0], parts.slice(1), opt);
 	p.on("exit", (code: number) => {
 		let err = null;
 		if (code) {
@@ -38,7 +42,7 @@ export const execSync = (cmd: string, cb: Function, options = undefined) => {
 
 // execute multiple commands in series
 // this could be replaced by any flow control lib
-export const seriesSync = (cmds: string[], cb: Function, options = undefined) => {
+export const seriesSync = (cmds: string[], cb: Function, options: SpawnOptions = {}) => {
 	const execNext = () => {
 		execSync(
 			cmds.shift(),
@@ -56,7 +60,7 @@ export const seriesSync = (cmds: string[], cb: Function, options = undefined) =>
 	execNext();
 };
 
-export const exec = async (cmd: string, options: any = undefined) => {
+export const exec = async (cmd: string, options: SpawnOptions = {}) => {
 	return new Promise((res, rej) => {
 		execSync(
 			cmd,
@@ -69,7 +73,7 @@ export const exec = async (cmd: string, options: any = undefined) => {
 	});
 };
 
-export const series = async (cmds: string[], options = undefined) => {
+export const series = async (cmds: string[], options: SpawnOptions = {}) => {
 	return new Promise((res, rej) => {
 		seriesSync(
 			cmds,
diff --git a/src/helpers/images/tile.ts b/src/helpers/images/tile.ts
index 3e46aca0..706abdb8 100644
--- a/src/helpers/images/tile.ts
+++ b/src/helpers/images/tile.ts
@@ -56,13 +56,6 @@ export async function tile(origin: ImageSource, options: TileOptions = {}): Prom
 		ctx.restore();
 	};
 
-	/**
-	 * Follows this pattern:
-	 *  x x x	   x x x      . x .      . x .      . . .
-	 *  x x x  ->  x . x  ->  x x x  ->  . x .  OR  x x x
-	 *  x x x	   x x x      . x .      . x .      . . .
-	 */
-
 	if (options.random == "rotation") {
 		// grid to get all possible rotation states matched with each other
 		// specific configuration originally by Pomi108