roadmap/quartz/components/scripts/darkmode.inline.ts

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const userPref = window.matchMedia("(prefers-color-scheme: light)").matches ? "light" : "dark"
const currentTheme = localStorage.getItem("theme") ?? userPref
document.documentElement.setAttribute("saved-theme", currentTheme)
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document.addEventListener("nav", () => {
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const switchTheme = (e: any) => {
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if (e.target.checked) {
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document.documentElement.setAttribute("saved-theme", "dark")
localStorage.setItem("theme", "dark")
} else {
document.documentElement.setAttribute("saved-theme", "light")
localStorage.setItem("theme", "light")
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}
}
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// Darkmode toggle
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const toggleSwitch = document.querySelector("#darkmode-toggle") as HTMLInputElement
toggleSwitch.removeEventListener("change", switchTheme)
toggleSwitch.addEventListener("change", switchTheme)
if (currentTheme === "dark") {
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toggleSwitch.checked = true
}
})