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Merge pull request #4342 from Tyriar/4341

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Fix link event listener leak
This commit is contained in:
Daniel Imms
2022-12-20 15:15:22 -08:00
committed by GitHub
parent 3142460db5 7b8ad8c0b4
commit 75075ebb70
1 changed files with 16 additions and 8 deletions
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src/browser/Linkifier2.ts
+16 -8
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@@ -309,19 +309,27 @@ export class Linkifier2 extends Disposable implements ILinkifier2 {
}
});
// Add listener for rerendering
// Listen to viewport changes to re-render the link under the cursor (only when the line the
// link is on changes)
if (this._renderService) {
this._linkCacheDisposables.push(this._renderService.onRenderedViewportChange(e => {
// Sanity check, this shouldn't happen in practice as this listener would be disposed
if (!this._currentLink) {
return;
}
// When start is 0 a scroll most likely occurred, make sure links above the fold also get
// cleared.
const start = e.start === 0 ? 0 : e.start + 1 + this._bufferService.buffer.ydisp;
const oldEvent = this._currentLink ? this._lastMouseEvent : undefined;
this._clearCurrentLink(start, e.end + 1 + this._bufferService.buffer.ydisp);
if (oldEvent && this._element) {
// re-eval previously active link after changes
const position = this._positionFromMouseEvent(oldEvent, this._element, this._mouseService!);
if (position) {
this._askForLink(position, false);
const end = this._bufferService.buffer.ydisp + 1 + e.end;
// Only clear the link if the viewport change happened on this line
if (this._currentLink.link.range.start.y >= start && this._currentLink.link.range.end.y <= end) {
this._clearCurrentLink(start, end);
if (this._lastMouseEvent && this._element) {
// re-eval previously active link after changes
const position = this._positionFromMouseEvent(this._lastMouseEvent, this._element, this._mouseService!);
if (position) {
this._askForLink(position, false);
}
}
}
}));