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Detect when MathJax 2 was loaded before Pluto tries to load MathJax 3 #2803

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merged 1 commit into from
Feb 7, 2024
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Detect when MathJax 2 was loaded before Pluto tries to load MathJax 3 #2803

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15 changes: 14 additions & 1 deletion frontend/common/SetupMathJax.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,14 @@ export const setup_mathjax = () => {
}
setup_done = true

const deprecated = () => console.warn("Pluto uses MathJax 3, but a MathJax 2 function was called.")
const deprecated = () =>
console.error(
"Pluto.jl: Pluto loads MathJax 3 globally, but a MathJax 2 function was called. The two version can not be used together on the same web page."
)
const twowasloaded = () =>
console.error(
"Pluto.jl: MathJax 2 is already loaded in this page, but Pluto wants to load MathJax 3. Packages that import MathJax 2 in their html display will break Pluto's ability to render latex."
)

// @ts-ignore
window.MathJax = {
Expand Down Expand Up @@ -69,6 +76,12 @@ export const setup_mathjax = () => {
() => {
console.log("Loading mathjax!!")
const script = document.head.querySelector("#MathJax-script")
script?.addEventListener("load", () => {
console.log("MathJax loaded!")
if (window["MathJax"]?.version !== "3.2.2") {
twowasloaded()
}
})
script.setAttribute("src", script.getAttribute("not-the-src-yet"))
},
{ timeout: 2000 }
Expand Down
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