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Fix environments for KaTeX and error reporting (#22453) #22473

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Merged
jolheiser merged 1 commit into from
Jan 16, 2023
Merged

Fix environments for KaTeX and error reporting (#22453) #22473

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14 changes: 9 additions & 5 deletions web_src/js/markup/math.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
function displayError(el, err) {
const target = targetElement(el);
target.remove('is-loading');
target.classList.remove('is-loading');
const errorNode = document.createElement('div');
errorNode.setAttribute('class', 'ui message error markup-block-error mono');
errorNode.textContent = err.str || err.message || String(err);
Expand All @@ -23,12 +23,16 @@ export async function renderMath() {

for (const el of els) {
const source = el.textContent;
const options = {display: el.classList.contains('display')};
const displayMode = el.classList.contains('display');
const nodeName = displayMode ? 'p' : 'span';

try {
const markup = katex.renderToString(source, options);
const tempEl = document.createElement(options.display ? 'p' : 'span');
tempEl.innerHTML = markup;
const tempEl = document.createElement(nodeName);
katex.render(source, tempEl, {
maxSize: 25,
maxExpand: 50,
displayMode,
});
targetElement(el).replaceWith(tempEl);
} catch (error) {
displayError(el, error);
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