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fix: Properly avoid concurrent invocations of loadMathJax().

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This commit is contained in:
Daniel J. Geiger 2023-03-18 09:52:44 -05:00
parent bdb0dd064b
commit 2d3b9e0c66
1 changed files with 2 additions and 16 deletions
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18
src/packages/extensions/ts/mathjax/implementation.tsx
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@ -123,7 +123,6 @@ const mathJax = {} as {
amFixes: any; amFixes: any;
}; };
let stopLoadingMathJax = false;
let mathJaxLoaded = false; let mathJaxLoaded = false;
let mathJaxLoading = false; let mathJaxLoading = false;
let mathJaxLoadedCallback: SubtypeLoadedCb | undefined; let mathJaxLoadedCallback: SubtypeLoadedCb | undefined;
@ -135,19 +134,7 @@ let errorSvg: string;
let errorAria: string; let errorAria: string;
const loadMathJax = async () => { const loadMathJax = async () => {
const shouldLoad = const continueLoading = !mathJaxLoading;
!mathJaxLoaded &&
!mathJaxLoading &&
(mathJax.adaptor === undefined ||
mathJax.amHtml === undefined ||
mathJax.texHtml === undefined ||
mathJax.visitor === undefined ||
mathJax.mmlSvg === undefined ||
mathJax.amFixes === undefined ||
(useSRE && mathJax.mmlSre === undefined));
if (!shouldLoad && !mathJaxLoaded) {
stopLoadingMathJax = true;
}
if (!mathJaxLoaded) { if (!mathJaxLoaded) {
mathJaxLoading = true; mathJaxLoading = true;
@ -208,8 +195,7 @@ const loadMathJax = async () => {
type E = typeof LiteElement; type E = typeof LiteElement;
type T = typeof LiteText; type T = typeof LiteText;
type D = typeof LiteDocument; type D = typeof LiteDocument;
if (stopLoadingMathJax) { if (mathJaxLoading && !continueLoading) {
stopLoadingMathJax = false;
return; return;
} }