Promises: Throw or Reject

promisesThrowOrReject.js

/**
 * be careful to return a Promise from every exiting branch
 */
function mayReject(may) {
    if (may || (may === undefined)) {
        return Promise.reject(new Error('I REJECT'));
    }
    return Promise.resolve(true);
}

/**
 * or add a candy-coated Promise shell,
 *   and write it more like you're used to
 */
var mayThrow = Promise.method(function(may) {
    if (may || (may === undefined)) {
        throw new Error('I REJECT');
    }
    return true;
});