Hugo-theme-stack/layouts/partials/head/colorScheme.html
Jimmy Cai 358e63e799
feat(darkmode): dark mode toggle (#82)
* feat(darkmode): initial support for dark mode toggle

* fix(darkmode): add svg icons

* feat(darkmode): dispatch onColorSchemeChange event

* add head/darkmode

* feat(darkmode); add colorScheme config

* style: remove empty line

* refactor(darkmode): simplify code

* style: add comment for darkmode config

* i18n support for dark mode toggle

* Some renaming
2020-12-23 19:03:40 +01:00

39 lines
1.4 KiB
HTML

{{- $defaultColorScheme := default "auto" .Site.Params.colorScheme.default -}}
{{- if not (default false .Site.Params.colorScheme.toggle) -}}
{{/* If toggle is disabled, force default scheme */}}
<script>
(function() {
const colorSchemeKey = 'StackColorScheme';
localStorage.setItem(colorSchemeKey, "{{ $defaultColorScheme }}");
})();
</script>
{{- else -}}
{{/* Otherwise set to default scheme only if no preference is set by user */}}
<script>
(function() {
const colorSchemeKey = 'StackColorScheme';
if(!localStorage.getItem(colorSchemeKey)){
localStorage.setItem(colorSchemeKey, "{{ $defaultColorScheme }}");
}
})();
</script>
{{- end -}}
<script>
(function() {
const colorSchemeKey = 'StackColorScheme';
const colorSchemeItem = localStorage.getItem(colorSchemeKey);
const supportDarkMode = window.matchMedia('(prefers-color-scheme: dark)').matches === true;
if (colorSchemeItem == 'dark' || colorSchemeItem === 'auto' && supportDarkMode) {
/**
* Enable dark mode if:
* 1. If dark mode is set already (in local storage)
* 2. Auto mode & prefere color scheme is dark
*/
document.body.dataset.scheme = 'dark';
} else {
document.body.dataset.scheme = 'light';
}
})();
</script>