mineexpand.js

function drive() {
    var getSquare = function(i, j) {
        return $('#' + i + '_' + j);
    }
    // detect extents
    var W, H;
    for (var i = 1; i <= 100; ++i) {
        if (getSquare(i, 1).length == 0) {
            W = i - 2;
            break;
        }
    }
    for (var i = 1; i <= 100; ++i) {
        if (getSquare(1, i).length == 0) {
            H = i - 2;
            break;
        }
    }
    var flagWorklist = [];
    var openWorklist = [];
    for (var i = 1; i <= W; ++i) {
        for (var j = 1; j <= H; ++j) {
            var sq = getSquare(i, j);
            if (sq.hasClass('blank') || sq.hasClass('open0') || sq.hasClass('bombflagged'))
                continue;

            var closes = [];
            var flags = 0;
            for (var xoff = -1; xoff <= 1; ++xoff) {
                for (var yoff = -1; yoff <= 1; ++yoff) {
                    var x = i + xoff;
                    var y = j + yoff;
                    if (x <= 0)
                        continue;
                    if (y <= 0)
                        continue;
                    if (x > W)
                        continue;
                    if (y > H)
                        continue;
                    var sqC = getSquare(x, y);
                    if (sqC.hasClass('bombflagged')) {
                        flags += 1;
                    }
                    else if (sqC.hasClass('blank')) {
                        closes.push(sqC);
                    }
                }
            }

            if (closes.length == 0)
                continue;

            //console.log("Exploring frontier node", sq[0].id);

            var tag = null;
            for (var k = 1; k <= 8; ++k) {
                if (sq.hasClass('open' + k)) {
                    tag = k;
                }
            }

            if (tag === null)
                continue;

            if (tag == flags) {
                // open all surrounding closeds
                for (var k = 0; k < closes.length; ++k) {
                    console.log("Open", closes[k][0].id, "from", i, j);
                    openWorklist.push(closes[k]);
                }
            }
            else if (tag - flags == closes.length) {
                // flag all surrounding closeds
                for (var k = 0; k < closes.length; ++k) {
                    console.log("Flag", closes[k][0].id, "from", i, j);
                    flagWorklist.push(closes[k]);
                }
            }
        }
    }

    // dedupe worklists
    var dedupeWorklist = function(worklist) {
        var seen = {};

        return worklist.filter(function(item) {
            if (seen.hasOwnProperty(item[0].id)) {
                return false;
            } else {
                seen[item[0].id] = true;
                return true;
            }
        });
    }

    flagWorklist = dedupeWorklist(flagWorklist);
    openWorklist = dedupeWorklist(openWorklist);

    for (var i = 0; i < flagWorklist.length; ++i) {
        console.log("WL: FLAG ", flagWorklist[i][0].id);
        var evt = new jQuery.Event('mousedown');
        evt.target = flagWorklist[i][0];
        evt.right = true;
        evt.ctrlKey = true;
        $(document).trigger(evt);

        evt = new jQuery.Event('mouseup');
        evt.target = flagWorklist[i][0];
        evt.right = true;
        evt.ctrlKey = true;
        $(document).trigger(evt);
    }

    for (var i = 0; i < openWorklist.length; ++i) {
        console.log("WL: OPEN ", openWorklist[i][0].id);

        var evt = new jQuery.Event('mousedown');
        evt.target = openWorklist[i][0];
        evt.button = 0;
        $(document).trigger(evt);

        evt = new jQuery.Event('mousemove');
        evt.target = openWorklist[i][0];
        $(document).trigger(evt);

        evt = new jQuery.Event('mouseup');
        evt.button = 0;
        evt.target = openWorklist[i][0];
        $(document).trigger(evt);
    }

    if ($('#face').hasClass('facedead')) {
        console.log("exploded :(");
    }
    else if ($('#face').hasClass('facewin')) {
        console.log("Won, yay!");
    }
    else if (openWorklist.length > 0 || flagWorklist.length > 0) {
        setTimeout(drive, 0);
    } else {
        // Wait 1 sec
        setTimeout(drive, 200);
    }
}