Show Steem Power

ssp.js

var isVisible = function(obj) {
    return obj.offsetWidth > 0 && obj.offsetHeight > 0;
};

var curry = function(uncurried) {
    var parameters = Array.prototype.slice.call(arguments, 1);
    
    return function() {
        return uncurried.apply(this, parameters.concat(Array.prototype.slice.call(arguments, 0)));
    };
};

var getAndAddToCallbacks = function(socket, callbacks, method, params, callback) {
    callbacks.push(callback);

    var data = {id: callbacks.length - 1, method: method, params: params};

    socket.send(JSON.stringify(data));
};

var runFun = function(funs, id, data) {
    funs[id](data);
};

var socket = new WebSocket('wss://steemit.com/wspa'),
    callbacks = [];

var getResult = curry(getAndAddToCallbacks, socket, callbacks),
    runCallback = curry(runFun, callbacks);

socket.onopen = function(event) {
    getResult('get_dynamic_global_properties', [], function(data) {
        var totalVestingShares = data.result.total_vesting_shares.split(' ')[0],
            totalVestingFundSteem = data.result.total_vesting_fund_steem.split(' ')[0];

        var nodes = [].slice.call(document.querySelectorAll('[itemprop=author] strong')).reduce(function(nodes, node) {
            if (!isVisible(node) || node.ssp__hasSp) {
                return nodes;
            }

            nodes.push(node);

            return nodes;
        }, []);

        var accounts = nodes.map(function(node) {
            return node.innerHTML;
        });

        getResult('get_accounts', [accounts], function(data) {
            data.result.forEach(function(account, i) {
                var vestingShares = account.vesting_shares.split(' ')[0];

                var steemPower = totalVestingFundSteem * (vestingShares / totalVestingShares);

                console.log(account.name + ' ' + steemPower);

                nodes[i].innerHTML = '' + account.name + ' <span style="font-size: 12px; font-weight: normal;">[' + Math.round(steemPower) + ' SP]</span>';

                nodes[i].ssp__hasSp = true;
            });

            socket.close();
        });
    });
};

socket.onmessage = function(event) {
    var data = JSON.parse(event.data);

    runCallback(data.id, data);
};