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Attempt to convert to ES5

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alistair3149 2020-02-15 17:52:32 -05:00
parent ed22023fce
commit a40547ec1b
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GPG key ID: 94D081060FD3DD9C
1 changed files with 47 additions and 46 deletions
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93
resources/scripts/toc.js
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@ -5,56 +5,57 @@
* Smooth scroll fallback and Scrollspy * Smooth scroll fallback and Scrollspy
*/ */
var SmoothScroll = function SmoothScroll() { function SmoothScroll() {
if (!("scrollBehavior" in document.documentElement.style)) { var navLinks, eventListener, link;
var navLinks = document.querySelectorAll("#toc a"), if (!("scrollBehavior" in document.documentElement.style)) {
eventListener = function eventListener(e) { navLinks = document.querySelectorAll("#toc a"),
e.preventDefault(); eventListener = function eventListener(e) {
e.target.scrollIntoView({ e.preventDefault();
behavior: "smooth" e.target.scrollIntoView({
}); behavior: "smooth"
}; });
};
for (var link in navLinks) { for (link in navLinks) {
if (Object.prototype.hasOwnProperty.call(navLinks, link)) { if (Object.prototype.hasOwnProperty.call(navLinks, link)) {
navLinks[link].addEventListener("click", eventListener); navLinks[link].addEventListener("click", eventListener);
}
}
}
},
function ScrollSpy() {
var sections = document.querySelectorAll(".mw-headline");
window.addEventListener("scroll", function() {
var scrollPos =
document.documentElement.scrollTop || document.body.scrollTop;
for (var section in sections) {
if (
Object.prototype.hasOwnProperty.call(sections, section) &&
sections[section].offsetTop <= scrollPos
) {
var id = mw.util.escapeIdForAttribute(sections[section].id),
node = document.querySelector('a[href * = "'.concat(id, '"]'))
.parentNode,
active = document.querySelector(".active");
if (active !== null) {
active.classList.remove("active");
}
if (node !== null) {
node.classList.add("active");
} }
} }
} }
}, });
ScrollSpy = function ScrollSpy() { },
var sections = document.querySelectorAll(".mw-headline"); function CheckToC() {
window.addEventListener("scroll", function() { if (document.getElementById("toc")) {
var scrollPos = SmoothScroll();
document.documentElement.scrollTop || document.body.scrollTop; ScrollSpy();
}
for (var section in sections) { };
if (
Object.prototype.hasOwnProperty.call(sections, section) &&
sections[section].offsetTop <= scrollPos
) {
var id = mw.util.escapeIdForAttribute(sections[section].id),
node = document.querySelector('a[href * = "'.concat(id, '"]'))
.parentNode,
active = document.querySelector(".active");
if (active !== null) {
active.classList.remove("active");
}
if (node !== null) {
node.classList.add("active");
}
}
}
});
},
CheckToC = function CheckToC() {
if (document.getElementById("toc")) {
SmoothScroll();
ScrollSpy();
}
};
if (document.readyState !== "loading") { if (document.readyState !== "loading") {
CheckToC(); CheckToC();