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Add limit to blocks highlighting

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Elian Doran 2024-10-26 23:39:18 +03:00
parent 6078620bf1
commit f80cf0aa02
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1 changed files with 7 additions and 0 deletions
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src/public/app/widgets/type_widgets/ckeditor/syntax_highlight.js
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@ -3,6 +3,8 @@ export function initSyntaxHighlighting(editor) {
initTextEditor(editor); initTextEditor(editor);
} }
const HIGHLIGHT_MAX_BLOCK_COUNT = 500;
const tag = "SyntaxHighlightWidget"; const tag = "SyntaxHighlightWidget";
const debugLevels = ["error", "warn", "info", "log", "debug"]; const debugLevels = ["error", "warn", "info", "log", "debug"];
const debugLevel = "debug"; const debugLevel = "debug";
@ -162,6 +164,11 @@ function highlightCodeBlock(codeBlock, writer) {
log("not highlighting plaintext codeblock"); log("not highlighting plaintext codeblock");
return; return;
} }
// Don't highlight if the code is too big, as the typing performance will be highly degraded.
if (codeBlock.childCount >= HIGHLIGHT_MAX_BLOCK_COUNT) {
return;
}
// highlight.js needs the full text without HTML tags, eg for the // highlight.js needs the full text without HTML tags, eg for the
// text // text