framework/js/lib/utils/patchMithril.js

import Component from '../Component';

export default function patchMithril(global) {
  const mo = global.m;

  const m = function(comp, ...args) {
    if (comp.prototype && comp.prototype instanceof Component) {
      return comp.component(...args);
    }

    return mo.apply(this, arguments);
  }

  Object.keys(mo).forEach(key => m[key] = mo[key]);

  global.m = m;
}