Advent of Code - 7a - Unfinished

AOC7a.js

"use strict";

var stack = [],
    input = require("./sample.js").split("\n"),
    solve = function(v1) {
        if(typeof stack[v] === number) {
            
        }stack[]

        return val;
    };

input
.filter(function(inp) {
        return inp.length > 0;
    })
.forEach(function(inp) {
    var opd1, opd2, optr, res,
        parts = inp.split(" ");

    if(parts.length === 3) {
        stack[parts[2]] = parseInt(parts[0], 10);
        return;
    }
    if(parts.length === 4) {
        stack[parts[3]] = {
            opd1 : parts[1],
            optr : parts[0]
        }
        return;
    }
    if(parts.length === 5) {
        stack[parts[4]] = {
            opd1 : parts[0],
            opd2 : parts[2],
            optr : parts[1]
        }
        return;
    }
});



// .forEach(function(inp) {
//     var dest = inp.match(/[a-z]+$/),
//         vals = inp.match(/^[a-z]+/g);

//     stack[dest] = {
//         v1 : vals.length === 3 ? vals[0] : false,
//         v2 : vals.length === 3 ? vals[1] : vals[0],
//         op : inp.match(/[A-Z]+/) || false
//     };
// });