geon

import { createServer, Socket } from "net";

// Promisified socket.write().
const write = (socket: Socket, data: Buffer | string) =>
	new Promise((resolve, reject) =>
		socket.write(data as Buffer, (error: Error | undefined) => {
			if (error) {
				reject();
			} else {
				resolve();

timdown

var trimCanvas = (function() {
    function rowBlank(imageData, width, y) {
        for (var x = 0; x < width; ++x) {
            if (imageData.data[y * width * 4 + x * 4 + 3] !== 0) return false;
        }
        return true;
    }

    function columnBlank(imageData, width, x, top, bottom) {
        for (var y = top; y < bottom; ++y) {