Simple utility to bind all methods of an instance so that they have `this` context no matter what.

autobind.ts

const blacklist = [
  'constructor',
  'componentDidMount',
  'componentDidUpdate',
  'componentWillMount',
  'componentWillReceiveProps',
  'componentWillUnmount',
  'componentWillUpdate',
  'render',
  'shouldComponentUpdate'
];

function autobind(instance: { [prop: string]: any }) {
  Object.getOwnPropertyNames(Object.getPrototypeOf(instance)).forEach((propName) => {
    if (typeof instance[propName] === "function" && !blacklist.includes(propName)) {
      instance[propName] = instance[propName].bind(instance);
    }
  });
}

export default autobind;