Advent of Code - 6b

AOC6a.js

"use strict";

var input = require("./input.js"),
    g     = [],
    gs    = 1000,
    x, y,
    count = 0,
    gridlington = function(size) {
        var arr = [];

        for (var i = 0; i < size; i++) {
            arr[i] = false;
        }
        return arr;
    },
    control     = function(state, command) {
        if(command === "turn on") {
            return true;
        }
        if(command === "turn off") {
            return false;
        }
        if(command === "toggle") {
            return !state;
        }
    };

console.time("create");
for (x = 0; x < gs; x++) {
    g[x] = gridlington(gs);
}
console.timeEnd("create");

console.time("commands");
input.split("\n")
    .filter(function(input) {
        return input.length > 0;
    })
    .forEach(function(inp) {
    var command = inp.match(/\D+/)[0].trim(),
        coords  = inp.match(/[0-9]+,[0-9]+/g).map(function(coord){
                return coord.split(",").map(function(c) {
                    return parseInt(c, 10);
                });
            });

    for (var x = coords[0][0]; x <= coords[1][0]; x++) {
        for (var y = coords[0][1]; y <= coords[1][1]; y++) {
            g[x][y] = control(g[x][y], command);
        }
    }
});
console.timeEnd("commands");


console.time("count");
for (x = 0; x < gs; x++) {
    for (y = 0; y < gs; y++) {
        count = g[x][y] ? ++count : count;
    }
}
console.timeEnd("count");


console.log("count: " + count);