sugo-actor/shim/browser/emitting/pipe_emitter.js

Actor component of SUGOS.

/**
 * Pipe emitter
 * @abstract
 * @class PipeEmitter
 */
'use strict';

var _Object$assign = require("@babel/runtime/core-js/object/assign");

var _typeof = require("@babel/runtime/helpers/typeof");

var _Object$getPrototypeOf = require("@babel/runtime/core-js/object/get-prototype-of");

var _classCallCheck = require("@babel/runtime/helpers/classCallCheck");

var _createClass = require("@babel/runtime/helpers/createClass");

var _possibleConstructorReturn = require("@babel/runtime/helpers/possibleConstructorReturn");

var _get = require("@babel/runtime/helpers/get");

var _inherits = require("@babel/runtime/helpers/inherits");

var _require = require('events'),
    EventEmitter = _require.EventEmitter;

var _require2 = require('sg-socket-constants'),
    RemoteEvents = _require2.RemoteEvents;

var PIPE = RemoteEvents.PIPE;

var _require3 = require('sg-serializer'),
    parse = _require3.parse,
    format = _require3.format;
/** @lends PipeEmitter */


var PipeEmitter =
/*#__PURE__*/
function (_EventEmitter) {
  _inherits(PipeEmitter, _EventEmitter);

  function PipeEmitter(socket) {
    var _this;

    _classCallCheck(this, PipeEmitter);

    _this = _possibleConstructorReturn(this, (PipeEmitter.__proto__ || _Object$getPrototypeOf(PipeEmitter)).call(this));
    _this.socket = socket;
    _this.opened = false;

    _this.pipeHandler = function (received) {
      return _this.pipeReceived(received);
    };

    return _this;
  }

  _createClass(PipeEmitter, [{
    key: "pipeReceived",
    value: function pipeReceived(received) {
      var hit = this.shouldPipe(received);

      if (!hit) {
        return;
      }

      var event = received.event,
          data = received.data,
          meta = received.meta;
      var types = meta.types;

      if (types) {
        data = parse(data, types, {});
      }

      _get(PipeEmitter.prototype.__proto__ || _Object$getPrototypeOf(PipeEmitter.prototype), "emit", this).call(this, event, data);
    }
  }, {
    key: "pipeEmit",
    value: function pipeEmit(event, data) {
      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

      if (this.opened) {
        var socket = this.socket;
        var _options$only = options.only,
            only = _options$only === void 0 ? null : _options$only,
            _options$defaults = options.defaults,
            defaults = _options$defaults === void 0 ? {} : _options$defaults;
        var isObject = _typeof(data) === 'object';

        var _ref = isObject ? format(data) : {
          payload: data
        },
            payload = _ref.payload,
            types = _ref.meta;

        var piping = _Object$assign({}, defaults, {
          event: event,
          data: payload,
          meta: {
            types: types
          },
          only: only
        });

        socket.emit(PIPE, piping);
      }

      _get(PipeEmitter.prototype.__proto__ || _Object$getPrototypeOf(PipeEmitter.prototype), "emit", this).call(this, event, data);
    }
    /**
     * Open the pipe.
     */

  }, {
    key: "open",
    value: function open() {
      var socket = this.socket,
          pipeHandler = this.pipeHandler;

      if (this.opened) {
        return;
      }

      this.opened = true;
      socket.on(PIPE, pipeHandler);
    }
    /**
     * Close the pipe.
     */

  }, {
    key: "close",
    value: function close() {
      var socket = this.socket,
          pipeHandler = this.pipeHandler;

      if (!this.opened) {
        return;
      }

      this.opened = false;
      socket.off(PIPE, pipeHandler);
    }
  }]);

  return PipeEmitter;
}(EventEmitter);

module.exports = PipeEmitter;
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ICAgIHRoaXMub3BlbmVkID0gdHJ1ZVxuICAgIHNvY2tldC5vbihQSVBFLCBwaXBlSGFuZGxlcilcbiAgfVxuXG4gIC8qKlxuICAgKiBDbG9zZSB0aGUgcGlwZS5cbiAgICovXG4gIGNsb3NlICgpIHtcbiAgICBsZXQgeyBzb2NrZXQsIHBpcGVIYW5kbGVyIH0gPSB0aGlzXG4gICAgaWYgKCF0aGlzLm9wZW5lZCkge1xuICAgICAgcmV0dXJuXG4gICAgfVxuICAgIHRoaXMub3BlbmVkID0gZmFsc2VcbiAgICBzb2NrZXQub2ZmKFBJUEUsIHBpcGVIYW5kbGVyKVxuICB9XG59XG5cbm1vZHVsZS5leHBvcnRzID0gUGlwZUVtaXR0ZXJcbiJdfQ==