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<template>
<div v-if="offline" class="offline-message">
<i class="far fa-dizzy"></i>
<h1>
You're offline friend.
<span @click="checkOffline"> <i class="fas fa-redo-alt"></i></span>
</h1>
</div>
</template>
<script>
export default {
name: "ConnectivityChecker",
data: function () {
return {
offline: false,
};
},
created: function () {
let that = this;
this.checkOffline();
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 (response) {
if (response.status >= 200 && response.status < 300) {
that.offline = false;
} else {
that.offline = true;
}
})
.catch(function () {
that.offline = true;
})
.finally(function () {
that.$emit("network-status-update", that.offline);
});
},
},
};
</script>
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