axis3d/core/command.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

/**
 * A Command extends the Function class by generating Javascript
 * and passing it directly to the Function (super) constructor.
 */
var commandCount = 0;

var Command = exports.Command = function (_Function) {
  _inherits(Command, _Function);

  _createClass(Command, null, [{
    key: 'count',
    value: function (_count) {
      function count() {
        return _count.apply(this, arguments);
      }

      count.toString = function () {
        return _count.toString();
      };

      return count;
    }(function () {
      return count;
    })
  }, {
    key: 'codegen',
    value: function codegen(fn) {
      if ('function' != typeof fn) {
        throw new TypeError("Expecting a function");
      } else {
        return '"use strict"; return (' + String(fn) + ').apply(this, arguments);';
      }
    }
  }]);

  function Command(fn) {
    var _ret;

    _classCallCheck(this, Command);

    if ('function' != typeof fn) {
      throw new TypeError("Command constructor expects a function.");
    }
    // initialize underlying function wrap

    var _this = _possibleConstructorReturn(this, (Command.__proto__ || Object.getPrototypeOf(Command)).call(this, Command.codegen(function wrap(fn) {
      return fn.apply(fn, Array.prototype.slice.call(arguments, 1));
    })));

    var exec = function exec() {
      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      return _this.apply(undefined, [fn].concat(args));
    };
    _this.constructor = exec.constructor = Command;
    void commandCount++;
    return _ret = Object.assign(exec, { 'this': _this }), _possibleConstructorReturn(_this, _ret);
  }

  return Command;
}(Function);
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