overleaf/services/web/frontend/js/features/mathjax/configure.js

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/* global MathJax */
import { mathJaxLoaded } from './util'
let configured = false
export function configureMathJax() {
if (configured) return
if (!mathJaxLoaded()) return
MathJax.Hub.Config({
messageStyle: 'none',
imageFont: null,
// Fast preview, introduced in 2.5, is unhelpful due to extra codemirror refresh
// and disabling it avoids issues with math processing errors
// github.com/overleaf/write_latex/pull/1375
'fast-preview': { disabled: true },
'HTML-CSS': {
availableFonts: ['TeX'],
// MathJax's automatic font scaling does not work well when we render math
// that isn't yet on the page, so we disable it and set a global font
// scale factor
scale: 110,
matchFontHeight: false,
},
TeX: {
equationNumbers: { autoNumber: 'AMS' },
useLabelIDs: false,
},
skipStartupTypeset: true,
tex2jax: {
processEscapes: true,
// Dollar delimiters are added by the mathjax directive
inlineMath: [['\\(', '\\)']],
displayMath: [
['$$', '$$'],
['\\[', '\\]'],
],
},
})
configured = true
}