Merge "Workaround for WebKit XSLT issue"

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jenkins-bot 2024-09-25 09:28:29 +00:00 committed by Gerrit Code Review
commit a35b1bf38b

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@ -9,6 +9,31 @@
paths: {
mathjax: extensionAssetsPath + '/Math/modules/mathjax/es5'
}
},
// See https://phabricator.wikimedia.org/T375241 and the suggested startup function from
// https://github.com/mathjax/MathJax/issues/3030#issuecomment-1490520850
// This workaround will be included in the MathJax 4 release and no longer be
// required when we upgrade to MathJax 4.
startup: {
ready() {
const { Mml3 } = window.MathJax._.input.mathml.mml3.mml3;
window.MathJax.startup.defaultReady();
const mml3 = new Mml3( window.MathJax.startup.document );
const adaptor = window.MathJax.startup.document.adaptor;
const processor = new XSLTProcessor();
const parsed = adaptor.parse( Mml3.XSLT, 'text/xml' );
processor.importStylesheet( parsed );
mml3.transform = ( node ) => {
const div = adaptor.node( 'div', {}, [ adaptor.clone( node ) ] );
const dom = adaptor.parse( adaptor.serializeXML( div ), 'text/xml' );
const mml = processor.transformToDocument( dom );
return ( mml ? adaptor.tags( mml, 'math' )[ 0 ] : node );
};
// inputJax[0] did not work as per https://github.com/mathjax/MathJax/issues/3287#issuecomment-2363843017
const MML = window.MathJax.startup.document.inputJax[ 1 ];
MML.mmlFilters.items.pop(); // remove old filter
MML.mmlFilters.add( mml3.mmlFilter.bind( mml3 ) );
}
}
};
}() );