cosmos-explorer/src/components/ThemeSwitcher.vue
2023-05-04 23:38:36 +08:00

60 lines
1.6 KiB
Vue

<script setup lang="ts">
import { useThemeConfig } from '@core/composable/useThemeConfig';
import type { ThemeSwitcherTheme } from '@layouts/types';
import { onMounted, watch } from 'vue';
const props = defineProps<{
themes: ThemeSwitcherTheme[];
}>();
const { theme } = useThemeConfig();
const {
state: currentThemeName,
next: getNextThemeName,
index: currentThemeIndex,
} = useCycleList(
props.themes.map(t => t.name),
{ initialValue: theme.value }
);
const changeTheme = () => {
theme.value = getNextThemeName();
};
const changeMode = (val: 'dark' | 'light' | 'system') => {
let value = val;
if (theme.value === 'system' && window.matchMedia('(prefers-color-scheme: dark)').matches) {
value = 'dark';
}
if (value === 'dark') {
document.documentElement.classList.add('dark');
document.documentElement.classList.remove('light');
} else {
document.documentElement.classList.add('light');
document.documentElement.classList.remove('dark');
}
document.documentElement.setAttribute("data-theme", value);
};
// Update icon if theme is changed from other sources
watch(theme, (val: 'dark' | 'light' | 'system') => {
currentThemeName.value = val;
changeMode(val);
});
onMounted(() => {
if (currentThemeName.value) {
changeMode(currentThemeName.value);
}
});
</script>
<template>
<IconBtn @click="changeTheme">
<VIcon :icon="props.themes[currentThemeIndex].icon" />
<VTooltip activator="parent" open-delay="1000">
<span class="text-capitalize">{{ currentThemeName }}</span>
</VTooltip>
</IconBtn>
</template>