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Auto set dark or light mode for reddit / Paratranz / Star Citizen Spectrum
// ==UserScript==
// @name Auto Dark Mode
// @namespace Kyan Violentmonkey Scripts
// @match *://*.reddit.com/*
// @match *://*.paratranz.cn/*
// @match *://paratranz.cn/*
// @match *://robertsspaceindustries.com/spectrum/*
// @grant none
// @version 1.1.1
// @license MIT
// @author Kyan
// @description Auto set dark or light mode for reddit / Paratranz / Star Citizen Spectrum
// @run-at document-start
// ==/UserScript==
;(function () {
'use strict';
/* Classes */
class ThemeManager {
element () {}
ready () {
return this.element() !== null
}
}
class Reddit extends ThemeManager {
static hostname = "reddit.com"
element () {
return document.querySelector("html.theme-beta")
}
is_dark () {
return this.element().classList.contains('theme-dark')
}
is_light () {
return this.element().classList.contains('theme-light')
}
to_dark () {
this.element().classList.remove("theme-light")
this.element().classList.add("theme-dark")
}
to_light () {
this.element().classList.remove("theme-dark")
this.element().classList.add("theme-light")
}
}
class Spectrum extends ThemeManager {
static hostname = "robertsspaceindustries.com"
element () {
return document.querySelector("div#react")
}
ready () {
return this.element() && !this.element().classList.contains("theme-undefined") && document.querySelector("#toolbarSettings")
}
is_dark () {
return this.element().classList.contains("theme-dark")
}
is_light () {
return this.element().classList.contains("theme-light")
}
to_dark () {
document.querySelector("#toolbarSettings").click()
const obeserver = new MutationObserver(() => {
if (document.querySelector(".toggle-button > input[type='checkbox']")) {
document.querySelector(".toggle-button > input[type='checkbox']").click()
}
if (document.querySelector("a.c-settings-close")) {
obeserver.disconnect()
document.querySelector("a.c-settings-close").click()
}
})
obeserver.observe(this.element(), { childList: true, subtree: true })
window.setTimeout(() => obeserver.disconnect(), 10000)
}
to_light () {
this.to_dark()
}
}
class Paratranz extends ThemeManager {
static hostname = "paratranz.cn"
element () {
return document.querySelector("#toggleTheme > a.nav-link")
}
is_dark () {
return document.querySelector("html").getAttribute("data-theme") === "dark"
}
is_light () {
return document.querySelector("html").getAttribute("data-theme") === "light"
}
to_dark () {
this.element().click()
}
to_light () {
this.element().click()
}
}
/* Functions */
const get_inst = () => {
for (const cls of [Reddit, Paratranz, Spectrum]) {
if (window.location.hostname.indexOf(cls.hostname) > -1) {
return new cls()
}
}
return null
}
const is_prefer_dark = () => window.matchMedia("(prefers-color-scheme: dark)").matches;
const is_prefer_light = () => window.matchMedia("(prefers-color-scheme: light)").matches;
/* Main */
const main = (inst) => {
console.log(`[Auto Dark Mode] Prefer: ${is_prefer_light()?"[✓ Light]":"✗ Light"}, ${is_prefer_dark()?"[✓ Dark]":"✗ Dark"}`)
console.log(`[Auto Dark Mode] Current: ${inst.is_light()?"[✓ Light]":"✗ Light"}, ${inst.is_dark()?"[✓ Dark]":"✗ Dark"}`)
if (inst.is_dark() && is_prefer_light()) {
inst.to_light()
console.log("[Auto Dark Mode] Switched to Light")
} else if (inst.is_light() && is_prefer_dark()) {
inst.to_dark()
console.log("[Auto Dark Mode] Switched to Dark")
} else {
console.log("[Auto Dark Mode] No need to switch")
}
}
console.log("[Auto Dark Mode] Loaded")
const inst = get_inst()
const observer = new MutationObserver(() => {
if (inst.ready()) { // Check if the page is ready
console.log("[Auto Dark Mode] Ready")
observer.disconnect()
main(inst)
} else {
console.log("[Auto Dark Mode] Waiting")
}
})
observer.observe(document.documentElement, { childList: true, subtree: true })
window.setTimeout(() => observer.disconnect(), 15000) // Timeout after 15s
})()