Function augmentor

index.js:294–318

(fn)

  var state = null; // main exports

  var augmentor = function augmentor(fn) {
    var stack = [];
    return function hook() {
      var prev = state;
      var after = [];
      state = {
        hook: hook,
        args: arguments,
        stack: stack,
        i: 0,
        length: stack.length,
        after: after
      };

      try {
        return fn.apply(null, arguments);
      } finally {
        state = prev;

        for (var i = 0, length = after.length; i < length; i++) {
          after[i]();
        }
      }
    };
  };
  var contextual = function contextual(fn) {
    var check = true;
    var context = null;