Add Dark Mode core code

This commit is contained in:
nanxiaobei 2019-10-16 04:15:16 +08:00
parent ea1796cf97
commit a1b778c68a
1 changed files with 43 additions and 0 deletions

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@ -36,8 +36,51 @@
{{ template "_internal/google_analytics_async.html" . }}
{{ template "_internal/opengraph.html" . }}
{{ end }}
<!-- Script -->
<script>
function setTheme() {
const now = Date.now();
const prev = Number(localStorage.getItem('time'));
function setBodyClass(sunrise, sunset) {
if (now > sunrise && now < sunset) return;
const body = document.querySelector('body');
body.classList.add('dark');
}
if (now - prev > 24 * 60 * 60 * 10000) {
let light;
let dark;
fetch('https://api.ipgeolocation.io/astronomy?apiKey=5ed37d85103e4defa5df4c5298ed5215')
.then(res => res.json())
.then(data => {
light = data.sunrise.split(':');
dark = data.sunset.split(':');
})
.catch(() => {
light = [7, 0];
dark = [19, 0];
})
.finally(() => {
const sunrise = new Date().setHours(light[0], light[1], 0);
const sunset = new Date().setHours(dark[0], dark[1], 0);
setBodyClass(sunrise, sunset);
localStorage.setItem('sunrise', sunrise);
localStorage.setItem('sunset', sunset);
});
localStorage.setItem('time', now);
} else {
const sunrise = Number(localStorage.getItem('sunrise'));
const sunset = Number(localStorage.getItem('sunset'));
setBodyClass(sunrise, sunset);
}
}
</script>
</head>
<body class="{{if eq .Kind `page` }}single{{else}}list{{ if .IsHome }} home{{ end }}{{end}}">
<script>
setTheme();
</script>
<header class="header">
<nav class="nav">
{{ if .IsHome }}