lodash-contrib/common-js/_.util.trampolines.js

The brass buckles on lodash's utility belt

module.exports = function (_) {

  // Helpers
  // -------


  // Mixing in the truthiness
  // ------------------------

  _.mixin({
    done: function(value) {
      var ret = _(value);
      ret.stopTrampoline = true;
      return ret;
    },

    trampoline: function(fun /*, args */) {
      var result = fun.apply(fun, _.rest(arguments));

      while (_.isFunction(result)) {
        result = result();
        if ((result instanceof _) && (result.stopTrampoline)) break;
      }

      return result.value();
    }
  });

};