60 lines
2.1 KiB
JavaScript
60 lines
2.1 KiB
JavaScript
const updateNavBar = () => {
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const topNavbar = document.getElementById('top-navbar')
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const navbarToggler = document.getElementById('navbar-toggler')
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const themeIcon = document.getElementById('navbar-theme-icon-svg')
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if (window.scrollY > 40) {
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topNavbar.classList.remove('initial-navbar')
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topNavbar.classList.add('final-navbar', 'shadow')
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navbarToggler.classList.remove('navbar-dark')
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navbarToggler.classList.add('navbar-light')
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// color theme selector a.k.a. dark mode
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themeIcon.classList.remove('navbar-icon-svg-dark')
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// get the main logo from hidden img tag
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const mainLogo = document.getElementById('main-logo')
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if (mainLogo !== null) {
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const logoURL = mainLogo.getAttribute('src')
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document.getElementById('logo').setAttribute('src', logoURL)
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}
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} else {
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topNavbar.classList.remove('final-navbar', 'shadow')
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topNavbar.classList.add('initial-navbar')
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navbarToggler.classList.remove('navbar-light')
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navbarToggler.classList.add('navbar-dark')
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// color theme selector a.k.a. dark mode
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themeIcon.classList.add('navbar-icon-svg-dark')
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// get the inverted logo from hidden img tag
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const invertedLogo = document.getElementById('inverted-logo')
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if (invertedLogo !== null) {
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const logoURL = invertedLogo.getAttribute('src')
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document.getElementById('logo').setAttribute('src', logoURL)
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}
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}
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}
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document.addEventListener('DOMContentLoaded', function () {
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// change navbar style on scroll
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// ==================================================
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// When the user scrolls down 80px from the top of the document,
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// resize the navbar's padding and the logo's font size
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document.addEventListener('scroll', updateNavBar)
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// Creates a click handler to collapse the navigation when
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// anchors in the mobile nav pop up are clicked
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const navMain = document.getElementsByClassName('navbar-collapse')
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for (const el of navMain) {
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el.addEventListener('click', function (e) {
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if (e.target.tagName === 'A') {
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navMain.collapse('hide')
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}
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})
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}
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updateNavBar()
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})
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