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Run syntax highlighting only when needed

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This commit is contained in:
Guillaume Gomez 2024-08-29 21:24:45 +02:00
parent 823c1246ab
commit 80eb9cfa14
1 changed files with 13 additions and 3 deletions
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16
util/gh-pages/script.js
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@ -138,6 +138,13 @@ function onEachLazy(lazyArray, func) {
}
}
function highlightIfNeeded(elem) {
onEachLazy(elem.querySelectorAll("pre > code.language-rust:not(.highlighted)"), el => {
hljs.highlightElement(el)
el.classList.add("highlighted");
});
}
function expandLintId(lintId) {
searchState.inputElem.value = lintId;
searchState.filterLints();
@ -146,7 +153,7 @@ function expandLintId(lintId) {
const lintElem = document.getElementById(lintId);
const isCollapsed = lintElem.classList.remove("collapsed");
lintElem.querySelector(".label-doc-folding").innerText = "-";
onEachLazy(lintElem.querySelectorAll("pre > code.language-rust"), el => hljs.highlightElement(el));
highlightIfNeeded(lintElem);
}
// Show details for one lint
@ -160,7 +167,7 @@ function expandLint(lintId) {
const lintElem = document.getElementById(lintId);
const isCollapsed = lintElem.classList.toggle("collapsed");
lintElem.querySelector(".label-doc-folding").innerText = isCollapsed ? "+" : "-";
onEachLazy(lintElem.querySelectorAll("pre > code.language-rust"), el => hljs.highlightElement(el));
highlightIfNeeded(lintElem);
}
function copyToClipboard(event) {
@ -198,7 +205,10 @@ function handleBlur(event, elementId) {
function toggleExpansion(expand) {
onEachLazy(
document.querySelectorAll("article"),
expand ? el => el.classList.remove("collapsed") : el => el.classList.add("collapsed"),
expand ? el => {
el.classList.remove("collapsed");
highlightIfNeeded(el);
} : el => el.classList.add("collapsed"),
);
}