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Align browser registerMarker alt-buffer guard with headless

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Block registerMarker on the alternate buffer in CoreBrowserTerminal,
matching headless addMarker behavior. Update public typings to
IMarker | undefined and add regression tests.

Fixes #5937

Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>
This commit is contained in:
Cursor Agent
2026-05-27 18:22:33 +00:00
co-authored by Daniel Imms
parent 2ab0f10a26
commit e331541fd1
8 changed files with 46 additions and 15 deletions
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test/playwright/TestUtils.ts
+1 -1
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@@ -284,7 +284,7 @@ export class TerminalProxy implements ITerminalProxyCustomMethods, PlaywrightApi
}
public async input(data: string, wasUserInput: boolean = true): Promise<void> { return this.evaluate(([term]) => term.input(data, wasUserInput)); }
public async resize(cols: number, rows: number): Promise<void> { return this._page.evaluate(([term, cols, rows]) => term.resize(cols, rows), [await this.getHandle(), cols, rows] as const); }
public async registerMarker(y?: number | undefined): Promise<IMarker> { return this._page.evaluate(([term, y]) => term.registerMarker(y), [await this.getHandle(), y] as const); }
public async registerMarker(y?: number | undefined): Promise<IMarker | undefined> { return this._page.evaluate(([term, y]) => term.registerMarker(y), [await this.getHandle(), y] as const); }
public async registerDecoration(decorationOptions: IDecorationOptions): Promise<IDecoration | undefined> { return this._page.evaluate(([term, decorationOptions]) => term.registerDecoration(decorationOptions), [await this.getHandle(), decorationOptions] as const); }
public async clearTextureAtlas(): Promise<void> { return this.evaluate(([term]) => term.clearTextureAtlas()); }
// #endregion