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livetrail/src/App.vue
T
franzz 7ecd8094e2
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Fix back button -again-
2026-06-11 15:57:42 +02:00

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Vue

<script>
import { defineAsyncComponent } from 'vue';
import Project from '@components/project';
const aoRoutes = {
'project': Project, //Merge app.js and project.js calls to avoid extra http request on inital page
'admin': defineAsyncComponent(() => import(/* webpackChunkName: "admin" */ '@components/admin')),
'upload': defineAsyncComponent(() => import(/* webpackChunkName: "upload" */ '@components/upload'))
};
export default {
data() {
return {
hash: {page: '', items: [], prev: {}},
consts: this.appConfig.consts,
mobile: false
};
},
provide() {
return {
hash: this.hash,
consts: this.consts,
isMobile: () => this.isMobile(),
getAnchor: this.getAnchor,
getPrevAnchor: () => this.getPrevAnchor(),
};
},
computed: {
route() {
return aoRoutes[this.hash.page];
},
hashSnapshot() {
const { prev, ...asHash } = this.hash;
return JSON.stringify(asHash);
}
},
inject: ['appConfig'],
created() {
this.mobileMediaQuery = window.matchMedia('only screen and (max-width: 800px)');
this.mobileMediaQuery.addEventListener('change', this.updateMobile);
this.updateMobile();
//Set initial page
this.setVarHash(this.validateRoute(this.getBrowserHash()));
},
mounted() {
//Catch browser hash change
window.addEventListener('hashchange', this.onBrowserHashChange);
},
watch: {
hashSnapshot(jNewHash, jOldHash) {
const asNewHash = this.validateRoute(JSON.parse(jNewHash));
//Sync variable -> #hash
if(asNewHash != this.getBrowserHash()) {
this.setBrowserHash(asNewHash.page, asNewHash.items);
}
//Store previous value
this.hash.prev = JSON.parse(jOldHash);
this.setPageTitle(asNewHash.page);
}
},
methods: {
isMobile() {
return this.mobile;
},
updateMobile() {
this.mobile = this.mobileMediaQuery.matches;
},
setPageTitle(sTitle) {
document.title = this.consts.title + ' - ' + sTitle.trim();
},
setVarHash(asHash) {
this.hash.page = asHash.page || '';
this.hash.items = Array.isArray(asHash.items) ? [...asHash.items.filter(n => n)] : [];
},
onBrowserHashChange() { //Sync #hash -> variable
let asHash = this.getBrowserHash();
if(asHash != this.hash) this.setVarHash(asHash);
},
getBrowserHash() {
let sHash = window.location.hash.slice(1);
let asHash = sHash.split(this.consts.hash_sep).filter(n => n);
let sPage = asHash.shift() || '';
return {page: sPage, items: asHash};
},
setBrowserHash(sPage = '', asItems = []) {
if(typeof asItems == 'string' && asItems != '') asItems = [asItems];
window.location.hash = this.getAnchor([sPage, ...asItems]);
},
getAnchor(asBreadCrumbs) {
return '#' + asBreadCrumbs.filter(Boolean).join(this.consts.hash_sep);
},
getPrevAnchor() {
return this.getAnchor([this.hash.prev.page, ...this.hash.prev.items]);
},
validateRoute(asHash) {
if(!Object.keys(aoRoutes).includes(asHash.page)) asHash.page = this.consts.default_page;
return asHash;
}
},
beforeUnmount() {
window.removeEventListener('hashchange', this.onBrowserHashChange);
this.mobileMediaQuery.removeEventListener('change', this.updateMobile);
}
}
</script>
<template>
<div id="main">
<component :is="route" />
</div>
</template>