"use strict";
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/**
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* @license
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* Copyright 2018 Google LLC. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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var IORouterRegistry = /** @class */ (function () {
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function IORouterRegistry() {
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this.saveRouters = [];
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this.loadRouters = [];
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}
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IORouterRegistry.getInstance = function () {
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if (IORouterRegistry.instance == null) {
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IORouterRegistry.instance = new IORouterRegistry();
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}
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return IORouterRegistry.instance;
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};
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/**
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* Register a save-handler router.
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*
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* @param saveRouter A function that maps a URL-like string onto an instance
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* of `IOHandler` with the `save` method defined or `null`.
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*/
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IORouterRegistry.registerSaveRouter = function (saveRouter) {
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IORouterRegistry.getInstance().saveRouters.push(saveRouter);
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};
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/**
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* Register a load-handler router.
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*
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* @param loadRouter A function that maps a URL-like string onto an instance
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* of `IOHandler` with the `load` method defined or `null`.
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*/
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IORouterRegistry.registerLoadRouter = function (loadRouter) {
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IORouterRegistry.getInstance().loadRouters.push(loadRouter);
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};
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/**
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* Look up IOHandler for saving, given a URL-like string.
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*
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* @param url
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* @returns If only one match is found, an instance of IOHandler with the
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* `save` method defined. If no match is found, `null`.
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* @throws Error, if more than one match is found.
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*/
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IORouterRegistry.getSaveHandlers = function (url) {
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return IORouterRegistry.getHandlers(url, 'save');
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};
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/**
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* Look up IOHandler for loading, given a URL-like string.
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*
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* @param url
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* @param onProgress Optional, progress callback function, fired periodically
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* before the load is completed.
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* @returns All valid handlers for `url`, given the currently registered
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* handler routers.
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*/
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IORouterRegistry.getLoadHandlers = function (url, onProgress) {
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return IORouterRegistry.getHandlers(url, 'load', onProgress);
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};
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IORouterRegistry.getHandlers = function (url, handlerType, onProgress) {
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var validHandlers = [];
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var routers = handlerType === 'load' ?
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IORouterRegistry.getInstance().loadRouters :
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IORouterRegistry.getInstance().saveRouters;
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routers.forEach(function (router) {
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var handler = router(url, onProgress);
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if (handler !== null) {
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validHandlers.push(handler);
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}
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});
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return validHandlers;
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};
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return IORouterRegistry;
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}());
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exports.IORouterRegistry = IORouterRegistry;
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exports.registerSaveRouter = function (loudRouter) {
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return IORouterRegistry.registerSaveRouter(loudRouter);
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};
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exports.registerLoadRouter = function (loudRouter) {
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return IORouterRegistry.registerLoadRouter(loudRouter);
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};
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exports.getSaveHandlers = function (url) {
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return IORouterRegistry.getSaveHandlers(url);
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};
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exports.getLoadHandlers = function (url, onProgress) {
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return IORouterRegistry.getLoadHandlers(url, onProgress);
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};
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//# sourceMappingURL=router_registry.js.map
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