40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
import modeOptions from './modeOptions'
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function render (mode) {
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const rootElement = document.querySelector(':root')
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const options = modeOptions[mode]
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const opposite = mode === 'dark' ? 'light' : 'dark'
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for (const k in options) {
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rootElement.style.setProperty(k, options[k])
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}
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rootElement.classList.remove(opposite)
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rootElement.classList.add(mode)
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}
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/**
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* Sets a color scheme for the website.
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* If browser supports "prefers-color-scheme", 'auto' mode will respect the setting for light or dark mode
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* otherwise it will set a dark theme during night time
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*/
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export default function applyMode (mode) {
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if (mode !== 'auto') {
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render(mode)
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return
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}
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const isDarkMode = window.matchMedia('(prefers-color-scheme: dark)').matches
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const isLightMode = window.matchMedia('(prefers-color-scheme: light)').matches
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if (isDarkMode) render('dark')
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if (isLightMode) render('light')
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if (!isDarkMode && !isLightMode) {
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console.log('You specified no preference for a color scheme or your browser does not support it. I schedule dark mode during night time.')
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const hour = new Date().getHours()
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if (hour < 6 || hour >= 18) render('dark')
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else render('light')
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}
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}
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