83 lines
2.1 KiB
JavaScript
83 lines
2.1 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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import {BaseObservableValue} from "../../../observable/value/BaseObservableValue";
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export class History extends BaseObservableValue {
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handleEvent(event) {
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if (event.type === "hashchange") {
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this.emit(this.get());
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this._storeHash(this.get());
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}
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}
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get() {
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/*
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All URLS in Hydrogen will use <root>/#/segment/value/...
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But for SSO, we need to handle <root>/?loginToken=<TOKEN>
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Handle that as a special case for now.
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*/
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if (document.location.search.includes("loginToken")) {
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return document.location.search;
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}
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return document.location.hash;
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}
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/** does not emit */
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replaceUrlSilently(url) {
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window.history.replaceState(null, null, url);
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this._storeHash(url);
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}
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/** does not emit */
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pushUrlSilently(url) {
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window.history.pushState(null, null, url);
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this._storeHash(url);
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}
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pushUrl(url) {
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document.location.hash = url;
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}
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urlAsPath(url) {
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if (url.startsWith("#")) {
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return url.substr(1);
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} else {
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return url;
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}
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}
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pathAsUrl(path) {
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return `#${path}`;
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}
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onSubscribeFirst() {
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window.addEventListener('hashchange', this);
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}
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onUnsubscribeLast() {
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window.removeEventListener('hashchange', this);
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}
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_storeHash(hash) {
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window.localStorage?.setItem("hydrogen_last_url_hash", hash);
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}
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getLastUrl() {
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return window.localStorage?.getItem("hydrogen_last_url_hash");
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}
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}
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