voxa
Version:
A fsm (state machine) framework for Alexa, Dialogflow, Facebook Messenger and Botframework apps using Node.js
45 lines • 2.08 kB
JavaScript
;
/*
* Copyright (c) 2018 Rain Agency <contact@rain.agency>
* Author: Rain Agency <contact@rain.agency>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
Object.defineProperty(exports, "__esModule", { value: true });
/**
* A helper class for transitions. Users can return transitions as an object with various command keys.
* For developer flexibility we allow that transition object to be vague.
* This object wraps the ITransition and gives defaults helps interpret what the various toggles mean.
*/
class SystemTransition {
constructor(transition) {
this.to = "die"; // default to 'entry'
Object.assign(this, transition);
if (!this.flow) {
this.flow = this.to === "die" ? "terminate" : "continue";
}
}
get shouldTerminate() {
return this.flow === "terminate" || this.to === "die";
}
get shouldContinue() {
return !!(this.flow === "continue" && this.to !== "die");
}
}
exports.SystemTransition = SystemTransition;
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