glue to make blessed (low-level API) work in browserify with xterm.js

main.js

const blessed = require("blessed");

window.onload = function () {
    const term = new Terminal({
        cols: 80,
        rows: 24
    });

    term.open(document.body);
    term.write('\x1b[31mWelcome to term.js!\x1b[m\r\n');

    // glue to make blessed work in browserify
    term.columns = term.cols;
    term.isTTY = true;
    require('readline').emitKeypressEvents = function() {};  // Can I side-affect a module this way? Apparently.
    process.listeners = function fakelisteners() { return []; };
  
    term.resize(100, 36);
    const program = blessed.program({ input: term, output: term, tput: false });

    program.move(1, 1);
    program.bg('black');
    program.write('Hello world', 'blue fg');
    program.setx((program.cols / 2 | 0) - 4);
    program.down(5);
    program.write('Hi again!');
    program.bg('!black');
    program.feed();
};