89 lines
2.3 KiB
JavaScript
89 lines
2.3 KiB
JavaScript
const Elevator = require("elevator.js");
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const debounce = require("lodash.debounce");
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const throttle = require("lodash.throttle");
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const HERO = document.querySelector("section.hero");
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const ROOT = document.querySelector(":root");
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function getHeroHeight() {
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if (!HERO) {
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return 0;
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}
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return HERO.getBoundingClientRect().height;
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}
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function setHeroHeight() {
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ROOT.style.setProperty("--hero-height", `${getHeroHeight()}px`);
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}
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function scrollToElement(element, behavior = "smooth") {
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const rect = element.getBoundingClientRect();
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const top = rect.top - getHeroHeight();
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window.scrollBy({ top: top, behavior });
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}
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function handleHeroStuck() {
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if (HERO.getBoundingClientRect().top === 0) {
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HERO.classList.add("stuck");
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} else {
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HERO.classList.remove("stuck");
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}
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}
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window.addEventListener("load", () => {
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const navbarBurger = document.getElementById("navbar-burger");
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const navbar = document.getElementById("navbar");
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navbarBurger.addEventListener("click", () => {
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navbarBurger.classList.toggle("is-active");
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navbar.classList.toggle("is-active");
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});
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document.querySelectorAll(".scroll-top").forEach((element) => {
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element.addEventListener("click", () => {
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window.scrollTo({ top: 0, behavior: "smooth" });
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});
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});
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document.querySelectorAll("#table-of-contents li a").forEach((element) => {
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element.addEventListener("click", (event) => {
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event.preventDefault();
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scrollToElement(document.querySelector(event.target.hash));
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});
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});
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const elevatorButton = document.getElementById("to-top-elevator");
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new Elevator({
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element: elevatorButton,
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mainAudio: elevatorButton.dataset.mainAudio,
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endAudio: elevatorButton.dataset.endAudio,
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preloadAudio: false,
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});
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});
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window.addEventListener("DOMContentLoaded", () => {
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setHeroHeight();
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if (window.location.hash <= 1) {
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return;
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}
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let scrollTarget = null;
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try {
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scrollTarget = document.getElementById(window.location.hash.slice(1));
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} catch (e) {
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// Probably an invalid selector - just ignore it
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}
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if (!scrollTarget) {
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return;
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}
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scrollToElement(scrollTarget, "auto");
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});
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if (HERO) {
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window.addEventListener("resize", debounce(setHeroHeight, 2000));
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window.addEventListener("scroll", throttle(handleHeroStuck, 100));
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}
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