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update

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This commit is contained in:
Thomas Chartron 2021-11-13 15:15:28 +01:00
parent 1af3989b2d
commit 4304812d29
2 changed files with 10 additions and 4 deletions
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12
src/js/page.js
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@ -9,15 +9,21 @@ document.addEventListener("DOMContentLoaded", function() {
// let has_one_active_toc = false // let has_one_active_toc = false
let current_selected_toc = null let current_selected_toc = null
let current_intersectiong_entry = null
const observer = new window.IntersectionObserver(entries => { const observer = new window.IntersectionObserver(entries => {
entries.forEach(entry => { entries.forEach(entry => {
console.log('observe') console.log('observe')
// Add 'active' class if observation target is inside viewport // Add 'active' class if observation target is inside viewport
// console.log(entry.isIntersecting) // console.log(entry)
// console.log(entry.intersectionRatio) // console.log(entry.intersectionRatio)
if (entry.isIntersecting) { if (entry.isIntersecting) {
// has_one_active_toc = true console.log('entry', entry)
console.log(entry, 'active') console.log('current', current_intersectiong_entry)
if (first_intersectiong_section !== null && current_intersectiong_entry.isIntersecting) {
console.log('should stop')
}
current_intersectiong_entry = entry
// console.log(entry, 'active')
let res = findCorrespondingTocTitle(entry.target) let res = findCorrespondingTocTitle(entry.target)
if (typeof res !== 'undefined' && (current_selected_toc === null || current_selected_toc !== res)) { if (typeof res !== 'undefined' && (current_selected_toc === null || current_selected_toc !== res)) {
// console.log('here') // console.log('here')

2
static/js/page.js
View file

@ -1 +1 @@
function findCorrespondingTocTitle(n){return[...document.querySelectorAll("#toc li a")].find(e=>e.href.substring(e.href.indexOf("#"))==="#"+n.id)}document.addEventListener("DOMContentLoaded",function(){document.getElementById("navbar").clientHeight,document.getElementById("toc");var e=document.querySelectorAll("#toc li a");document.getElementById("page-content");let t=null;const n=new window.IntersectionObserver(e=>{e.forEach(n=>{if(console.log("observe"),n.isIntersecting){console.log(n,"active");let e=findCorrespondingTocTitle(n.target);void 0===e||null!==t&&t===e||(null!==t&&t.parentElement.classList.remove("bg-blue-800"),t=e),e.parentElement.classList.add("bg-blue-800")}})},{root:null,threshold:.1});var o=[];[...e].forEach(e=>{o.push(e.href.substring(e.href.indexOf("#")))});const l=document.querySelectorAll(o.join(","));l.forEach(e=>{n.observe(e)})}); function findCorrespondingTocTitle(n){return[...document.querySelectorAll("#toc li a")].find(e=>e.href.substring(e.href.indexOf("#"))==="#"+n.id)}document.addEventListener("DOMContentLoaded",function(){document.getElementById("navbar").clientHeight,document.getElementById("toc");var e=document.querySelectorAll("#toc li a");document.getElementById("page-content");let t=null,o=null;const n=new window.IntersectionObserver(e=>{e.forEach(n=>{if(console.log("observe"),n.isIntersecting){console.log("entry",n),console.log("current",o),null!==first_intersectiong_section&&o.isIntersecting&&console.log("should stop");let e=findCorrespondingTocTitle((o=n).target);void 0===e||null!==t&&t===e||(null!==t&&t.parentElement.classList.remove("bg-blue-800"),t=e),e.parentElement.classList.add("bg-blue-800")}})},{root:null,threshold:.1});var l=[];[...e].forEach(e=>{l.push(e.href.substring(e.href.indexOf("#")))});const r=document.querySelectorAll(l.join(","));r.forEach(e=>{n.observe(e)})});