stacker.news/public/dark.js

113 lines
3.2 KiB
JavaScript

const COLORS = {
light: {
body: '#f5f5f7',
color: '#212529',
navbarVariant: 'light',
navLink: 'rgba(0, 0, 0, 0.55)',
navLinkFocus: 'rgba(0, 0, 0, 0.7)',
navLinkActive: 'rgba(0, 0, 0, 0.9)',
borderColor: '#ced4da',
inputBg: '#ffffff',
inputDisabledBg: '#e9ecef',
dropdownItemColor: 'rgba(0, 0, 0, 0.7)',
dropdownItemColorHover: 'rgba(0, 0, 0, 0.9)',
commentBg: 'rgba(0, 0, 0, 0.03)',
clickToContextColor: 'rgba(0, 0, 0, 0.07)',
brandColor: 'rgba(0, 0, 0, 0.9)',
grey: '#707070',
link: '#007cbe',
toolbarActive: 'rgba(0, 0, 0, 0.10)',
toolbarHover: 'rgba(0, 0, 0, 0.20)',
toolbar: '#ffffff',
quoteBar: 'rgb(206, 208, 212)',
quoteColor: 'rgb(101, 103, 107)',
linkHover: '#004a72',
linkVisited: '#537587'
},
dark: {
body: '#000000',
inputBg: '#000000',
inputDisabledBg: '#000000',
navLink: 'rgba(255, 255, 255, 0.55)',
navLinkFocus: 'rgba(255, 255, 255, 0.75)',
navLinkActive: 'rgba(255, 255, 255, 0.9)',
borderColor: 'rgba(255, 255, 255, 0.5)',
dropdownItemColor: 'rgba(255, 255, 255, 0.7)',
dropdownItemColorHover: 'rgba(255, 255, 255, 0.9)',
commentBg: 'rgba(255, 255, 255, 0.04)',
clickToContextColor: 'rgba(255, 255, 255, 0.2)',
color: '#f8f9fa',
brandColor: 'var(--bs-primary)',
grey: '#969696',
link: '#2e99d1',
toolbarActive: 'rgba(255, 255, 255, 0.10)',
toolbarHover: 'rgba(255, 255, 255, 0.20)',
toolbar: '#3e3f3f',
quoteBar: 'rgb(158, 159, 163)',
quoteColor: 'rgb(141, 144, 150)',
linkHover: '#007cbe',
linkVisited: '#56798E'
}
}
const handleThemeChange = (dark) => {
const root = window.document.documentElement
const colors = COLORS[dark ? 'dark' : 'light']
Object.entries(colors).forEach(([varName, value]) => {
const cssVarName = `--theme-${varName}`
root.style.setProperty(cssVarName, value)
})
}
const STORAGE_KEY = 'darkMode'
const PREFER_DARK_QUERY = '(prefers-color-scheme: dark)'
export const getTheme = () => {
const mql = window.matchMedia(PREFER_DARK_QUERY)
const supportsColorSchemeQuery = mql.media === PREFER_DARK_QUERY
let localStorageTheme = null
try {
localStorageTheme = window.localStorage.getItem(STORAGE_KEY)
} catch (err) {}
const localStorageExists = localStorageTheme !== null
if (localStorageExists) {
localStorageTheme = JSON.parse(localStorageTheme)
}
if (localStorageExists) {
return { user: true, dark: localStorageTheme }
} else if (supportsColorSchemeQuery) {
return { user: false, dark: mql.matches }
}
}
export const setTheme = (dark) => {
window.localStorage.setItem(STORAGE_KEY, JSON.stringify(dark))
handleThemeChange(dark)
}
export const listenForThemeChange = (onChange) => {
const mql = window.matchMedia(PREFER_DARK_QUERY)
mql.onchange = mql => {
const { user, dark } = getTheme()
if (!user) {
handleThemeChange(dark)
onChange({ user, dark })
}
}
window.onstorage = e => {
if (e.key === STORAGE_KEY) {
const dark = JSON.parse(e.newValue)
setTheme(dark)
onChange({ user: true, dark })
}
}
}
if (typeof window !== 'undefined') {
(function () {
const { dark } = getTheme()
handleThemeChange(dark)
})()
}