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| 1 | +/*! |
| 2 | +* Color mode toggler for CoreUI's docs (https://coreui.io/) |
| 3 | +* Copyright (c) 2023 creativeLabs Łukasz Holeczek |
| 4 | +* Licensed under the Creative Commons Attribution 3.0 Unported License. |
| 5 | +*/ |
| 6 | + |
| 7 | +(() => { |
| 8 | + 'use strict' |
| 9 | + |
| 10 | + const THEME = 'coreui-docs-theme' |
| 11 | + |
| 12 | + const storedTheme = localStorage.getItem(THEME) |
| 13 | + |
| 14 | + const getPreferredTheme = () => { |
| 15 | + if (storedTheme) { |
| 16 | + return storedTheme |
| 17 | + } |
| 18 | + |
| 19 | + return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light' |
| 20 | + } |
| 21 | + |
| 22 | + const setTheme = function (theme) { |
| 23 | + if (theme === 'auto' && window.matchMedia('(prefers-color-scheme: dark)').matches) { |
| 24 | + document.documentElement.setAttribute('data-coreui-theme', 'dark') |
| 25 | + } else { |
| 26 | + document.documentElement.setAttribute('data-coreui-theme', theme) |
| 27 | + } |
| 28 | + } |
| 29 | + |
| 30 | + setTheme(getPreferredTheme()) |
| 31 | + |
| 32 | + const showActiveTheme = theme => { |
| 33 | + const activeThemeIcon = document.querySelector('.theme-icon-active use') |
| 34 | + const btnToActive = document.querySelector(`[data-coreui-theme-value="${theme}"]`) |
| 35 | + const svgOfActiveBtn = btnToActive.querySelector('svg use').getAttribute('xlink:href') |
| 36 | + |
| 37 | + for (const element of document.querySelectorAll('[data-coreui-theme-value]')) { |
| 38 | + element.classList.remove('active') |
| 39 | + } |
| 40 | + |
| 41 | + btnToActive.classList.add('active') |
| 42 | + activeThemeIcon.setAttribute('xlink:href', svgOfActiveBtn) |
| 43 | + } |
| 44 | + |
| 45 | + window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => { |
| 46 | + if (storedTheme !== 'light' || storedTheme !== 'dark') { |
| 47 | + setTheme(getPreferredTheme()) |
| 48 | + } |
| 49 | + }) |
| 50 | + |
| 51 | + window.addEventListener('DOMContentLoaded', () => { |
| 52 | + showActiveTheme(getPreferredTheme()) |
| 53 | + |
| 54 | + for (const toggle of document.querySelectorAll('[data-coreui-theme-value]')) { |
| 55 | + toggle.addEventListener('click', () => { |
| 56 | + const theme = toggle.getAttribute('data-coreui-theme-value') |
| 57 | + localStorage.setItem(THEME, theme) |
| 58 | + setTheme(theme) |
| 59 | + showActiveTheme(theme) |
| 60 | + }) |
| 61 | + } |
| 62 | + }) |
| 63 | +})() |
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