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fix(math edit): preserve line breaks

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This commit is contained in:
SiriusXT
2025-05-26 17:17:18 +08:00
parent aff5a9c31d
commit 32fd575cc4
1 changed files with 13 additions and 2 deletions
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15
packages/ckeditor5-math/src/mathediting.ts
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@@ -27,6 +27,18 @@ export default class MathEditing extends Plugin {
public init(): void { public init(): void {
const editor = this.editor; const editor = this.editor;
const originalProcessor = editor.data.processor;
const originalToView = originalProcessor.toView.bind(originalProcessor);
const mathSpanRegex = /<span class="math-tex">([\s\S]*?)<\/span>/g;
originalProcessor.toView = (data: string) => {
// Preprocessing: preserve line breaks inside math formulas by replacing \n with <!--LF-->
const processedData = data.replace(mathSpanRegex, (_, content) =>
`<span class="math-tex">${content.replace(/\n/g, '___MATH_TEX_LF___')}</span>`
);
return originalToView(processedData);
};
editor.commands.add( 'math', new MathCommand( editor ) ); editor.commands.add( 'math', new MathCommand( editor ) );
this._defineSchema(); this._defineSchema();
@@ -120,8 +132,7 @@ export default class MathEditing extends Plugin {
model: ( viewElement, { writer } ) => { model: ( viewElement, { writer } ) => {
const child = viewElement.getChild( 0 ); const child = viewElement.getChild( 0 );
if ( child?.is( '$text' ) ) { if ( child?.is( '$text' ) ) {
const equation = child.data.trim(); const equation = child.data.trim().replace(/___MATH_TEX_LF___/g, '\n');
const params = Object.assign( extractDelimiters( equation ), { const params = Object.assign( extractDelimiters( equation ), {
type: mathConfig.forceOutputType ? type: mathConfig.forceOutputType ?
mathConfig.outputType : mathConfig.outputType :