spiegel-keyman/common/predictive-text/worker/dummy-model.ts
2019-01-08 15:27:55 -07:00

54 lines
2.1 KiB
TypeScript

/*
* Copyright (c) 2018 National Research Council Canada (author: Eddie A. Santos)
* Copyright (c) 2018 SIL International
*
* 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.
*/
/// <reference path="./index.ts" />
/**
* @file dummy-model.ts
*
* Defines the Dummy model, which is used for testing the
* prediction API exclusively.
*/
/**
* The Dummy Model that returns nonsensical, but predictable results.
*/
LMLayerWorker.models.DummyModel = class DummyModel implements WorkerInternalModel {
configuration: Configuration;
private _futureSuggestions: Suggestion[][];
constructor(capabilities: Capabilities, options?: any) {
options = options || {};
this.configuration = options.configuration || {};
// Create a shallow copy of the suggestions;
// this class mutates the array.
this._futureSuggestions = options.futureSuggestions
? options.futureSuggestions.slice() : [];
}
predict(transform: Transform, context: Context, injectedSuggestions?: Suggestion[]): Suggestion[] {
if (injectedSuggestions) {
return injectedSuggestions;
}
return this._futureSuggestions.shift();
}
};