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Fix leak in selection box md rendering

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Fixes #269352
This commit is contained in:
Matt Bierner
2025-11-03 12:01:22 -08:00
parent b118b3054e
commit 82873d9d1e
1 changed files with 10 additions and 5 deletions
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15
src/vs/base/browser/ui/selectBox/selectBoxCustom.ts
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@@ -7,7 +7,7 @@ import { localize } from '../../../../nls.js';
import * as arrays from '../../../common/arrays.js';
import { Emitter, Event } from '../../../common/event.js';
import { KeyCode, KeyCodeUtils } from '../../../common/keyCodes.js';
import { Disposable, IDisposable } from '../../../common/lifecycle.js';
import { Disposable, DisposableStore, IDisposable } from '../../../common/lifecycle.js';
import { isMacintosh } from '../../../common/platform.js';
import { ScrollbarVisibility } from '../../../common/scrollable.js';
import * as cssJs from '../../cssValue.js';
@@ -15,7 +15,7 @@ import * as dom from '../../dom.js';
import * as domStylesheetsJs from '../../domStylesheets.js';
import { DomEmitter } from '../../event.js';
import { StandardKeyboardEvent } from '../../keyboardEvent.js';
import { MarkdownActionHandler, renderMarkdown } from '../../markdownRenderer.js';
import { IRenderedMarkdown, MarkdownActionHandler, renderMarkdown } from '../../markdownRenderer.js';
import { AnchorPosition, IContextViewProvider } from '../contextview/contextview.js';
import type { IManagedHover } from '../hover/hover.js';
import { getBaseLayerHoverDelegate } from '../hover/hoverDelegate2.js';
@@ -103,6 +103,7 @@ export class SelectBoxList extends Disposable implements ISelectBoxDelegate, ILi
private _dropDownPosition!: AnchorPosition;
private _hasDetails: boolean = false;
private selectionDetailsPane!: HTMLElement;
private readonly _selectionDetailsDisposables = this._register(new DisposableStore());
private _skipLayout: boolean = false;
private _cachedMaxDetailsHeight?: number;
private _hover?: IManagedHover;
@@ -868,7 +869,7 @@ export class SelectBoxList extends Disposable implements ISelectBoxDelegate, ILi
}
private renderDescriptionMarkdown(text: string, actionHandler?: MarkdownActionHandler): HTMLElement {
private renderDescriptionMarkdown(text: string, actionHandler?: MarkdownActionHandler): IRenderedMarkdown {
const cleanRenderedMarkdown = (element: Node) => {
for (let i = 0; i < element.childNodes.length; i++) {
const child = <Element>element.childNodes.item(i);
@@ -887,7 +888,7 @@ export class SelectBoxList extends Disposable implements ISelectBoxDelegate, ILi
rendered.element.classList.add('select-box-description-markdown');
cleanRenderedMarkdown(rendered.element);
return rendered.element;
return rendered;
}
// List Focus Change - passive - update details pane with newly focused element's data
@@ -901,7 +902,10 @@ export class SelectBoxList extends Disposable implements ISelectBoxDelegate, ILi
}
private updateDetail(selectedIndex: number): void {
// Reset
this._selectionDetailsDisposables.clear();
this.selectionDetailsPane.textContent = '';
const option = this.options[selectedIndex];
const description = option?.description ?? '';
const descriptionIsMarkdown = option?.descriptionIsMarkdown ?? false;
@@ -909,7 +913,8 @@ export class SelectBoxList extends Disposable implements ISelectBoxDelegate, ILi
if (description) {
if (descriptionIsMarkdown) {
const actionHandler = option.descriptionMarkdownActionHandler;
this.selectionDetailsPane.appendChild(this.renderDescriptionMarkdown(description, actionHandler));
const result = this._selectionDetailsDisposables.add(this.renderDescriptionMarkdown(description, actionHandler));
this.selectionDetailsPane.appendChild(result.element);
} else {
this.selectionDetailsPane.textContent = description;
}