state/lib/transition-expression.js

First-class states

// Generated by CoffeeScript 1.6.3
(function() {
  var GUARD_ACTIONS, O, TRANSITION_EVENT_TYPES, TRANSITION_EXPRESSION_CATEGORIES, TRANSITION_PROPERTIES, TransitionExpression, state,
    __hasProp = {}.hasOwnProperty;

  state = require('./state-function');

  O = state.O, TRANSITION_PROPERTIES = state.TRANSITION_PROPERTIES, TRANSITION_EXPRESSION_CATEGORIES = state.TRANSITION_EXPRESSION_CATEGORIES, TRANSITION_EVENT_TYPES = state.TRANSITION_EVENT_TYPES, GUARD_ACTIONS = state.GUARD_ACTIONS;

  module.exports = TransitionExpression = (function() {
    var assign, categories, clone, edit, eventTypes, guardActions, interpret, properties;

    assign = O.assign, edit = O.edit, clone = O.clone;

    properties = assign(TRANSITION_PROPERTIES, null);

    categories = assign(TRANSITION_EXPRESSION_CATEGORIES, null);

    eventTypes = assign(TRANSITION_EVENT_TYPES);

    guardActions = assign(GUARD_ACTIONS);

    function TransitionExpression(map) {
      if (!(map instanceof TransitionExpression)) {
        map = interpret(map);
      }
      edit('deep all', this, map);
    }

    interpret = function(map) {
      var category, events, item, key, result, value, _ref;
      result = assign({}, properties, categories);
      for (key in map) {
        if (!__hasProp.call(map, key)) continue;
        value = map[key];
        if (key in properties) {
          result[key] = value;
        } else if (key in categories) {
          result[key] = clone(result[key], value);
        } else {
          category = key in eventTypes ? 'events' : key in guardActions ? 'guards' : typeof value === 'functions' ? 'methods' : void 0;
          if (category) {
            item = result[category];
            item || (item = result[category] = {});
            item[key] = value;
          }
        }
      }
      _ref = events = result.events;
      for (key in _ref) {
        value = _ref[key];
        if (typeof value === 'function') {
          events[key] = [value];
        }
      }
      return result;
    };

    return TransitionExpression;

  })();

}).call(this);