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const app = new Vue({
el: '#app',
data: {
config: null,
offline: false,
filter: '',
},
created: function () {
let that = this;
this.checkOffline();
that.getConfig().then(function (config) {
that.config = config;
}).catch(function () {
that.offline = true;
});
document.addEventListener('visibilitychange', function () {
if (document.visibilityState == "visible") {
that.checkOffline();
}
}, false);
},
methods: {
checkOffline: function () {
let that = this;
return fetch(window.location.href + "?alive", {
method: 'HEAD',
cache: 'no-store'
}).then(function () {
that.offline = false;
}).catch(function () {
that.offline = true;
});
},
getConfig: function (event) {
return fetch('config.yml').then(function (response) {
if (response.status != 200) {
return
}
return response.text().then(function (body) {
return jsyaml.load(body);
});
});
},
}
});
if ('serviceWorker' in navigator) {
window.addEventListener('load', function () {
navigator.serviceWorker.register('/worker.js');
});
}
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