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Use morphdom to reduce number of full page updates to md preview

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This should help improve scroll sync and also reduce the number of times we go out to the network if images are in the preview
This commit is contained in:
Matt Bierner
2021-11-01 15:32:35 -07:00
parent b2494d777f
commit 8f672cac62
12 changed files with 113 additions and 96 deletions
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6
extensions/markdown-language-features/preview-src/activeLineMarker.ts
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@@ -7,8 +7,8 @@ import { getElementsForSourceLine } from './scroll-sync';
export class ActiveLineMarker {
private _current: any;
onDidChangeTextEditorSelection(line: number) {
const { previous } = getElementsForSourceLine(line);
onDidChangeTextEditorSelection(line: number, documentVersion: number) {
const { previous } = getElementsForSourceLine(line, documentVersion);
this._update(previous && previous.element);
}
@@ -31,4 +31,4 @@ export class ActiveLineMarker {
}
element.className += ' code-active-line';
}
}
}