hugo-PaperMod/assets/js/set-theme.js

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JavaScript
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2020-07-20 16:16:12 +02:00
function setTheme() {
const time = new Date();
const prev = localStorage.getItem('date');
const date = String(time.getMonth() + 1) + '.' + String(time.getDate());
const now = time.getTime();
let sunrise;
let sunset;
function setBodyClass() {
if (now > sunrise && now < sunset) return;
document.body.classList.add('dark');
}
if (date !== prev) {
fetch('https://api.ipgeolocation.io/astronomy?apiKey=5ed37d85103e4defa5df4c5298ed5215')
.then(res => res.json())
.then(data => {
sunrise = data.sunrise.split(':').map(Number);
sunset = data.sunset.split(':').map(Number);
})
.catch(() => {
sunrise = [7, 0];
sunset = [19, 0];
})
.finally(() => {
sunrise = time.setHours(sunrise[0], sunrise[1], 0);
sunset = time.setHours(sunset[0], sunset[1], 0);
setBodyClass();
localStorage.setItem('sunrise', sunrise);
localStorage.setItem('sunset', sunset);
});
localStorage.setItem('date', date);
} else {
sunrise = Number(localStorage.getItem('sunrise'));
sunset = Number(localStorage.getItem('sunset'));
setBodyClass();
}
}