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feat(cli): improve CTRL+O experience for both standard and alternate screen buffer (ASB) modes (#19010)

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Co-authored-by: jacob314 <jacob314@gmail.com>
This commit is contained in:
Jarrod Whelan
2026-02-20 16:26:11 -08:00
committed by GitHub
parent 547f5d45f5
commit 727f9b67b1
39 changed files with 1622 additions and 428 deletions
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packages/cli/src/ui/components/messages/ShellToolMessage.test.tsx
+71 -1
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@@ -191,7 +191,7 @@ describe('<ShellToolMessage />', () => {
true,
],
[
'defaults to ACTIVE_SHELL_MAX_LINES when availableTerminalHeight is undefined',
'defaults to ACTIVE_SHELL_MAX_LINES in alternate buffer when availableTerminalHeight is undefined',
undefined,
ACTIVE_SHELL_MAX_LINES,
false,
@@ -219,5 +219,75 @@ describe('<ShellToolMessage />', () => {
expect(frame.match(/Line \d+/g)?.length).toBe(expectedMaxLines);
expect(frame).toMatchSnapshot();
});
it('fully expands in standard mode when availableTerminalHeight is undefined', async () => {
const { lastFrame } = renderShell(
{
resultDisplay: LONG_OUTPUT,
renderOutputAsMarkdown: false,
availableTerminalHeight: undefined,
status: CoreToolCallStatus.Executing,
},
{ useAlternateBuffer: false },
);
await waitFor(() => {
const frame = lastFrame();
// Should show all 100 lines
expect(frame.match(/Line \d+/g)?.length).toBe(100);
});
});
it('fully expands in alternate buffer mode when constrainHeight is false and isExpandable is true', async () => {
const { lastFrame, waitUntilReady } = renderShell(
{
resultDisplay: LONG_OUTPUT,
renderOutputAsMarkdown: false,
availableTerminalHeight: undefined,
status: CoreToolCallStatus.Success,
isExpandable: true,
},
{
useAlternateBuffer: true,
uiState: {
constrainHeight: false,
},
},
);
await waitUntilReady();
await waitFor(() => {
const frame = lastFrame();
// Should show all 100 lines because constrainHeight is false and isExpandable is true
expect(frame.match(/Line \d+/g)?.length).toBe(100);
});
expect(lastFrame()).toMatchSnapshot();
});
it('stays constrained in alternate buffer mode when isExpandable is false even if constrainHeight is false', async () => {
const { lastFrame, waitUntilReady } = renderShell(
{
resultDisplay: LONG_OUTPUT,
renderOutputAsMarkdown: false,
availableTerminalHeight: undefined,
status: CoreToolCallStatus.Success,
isExpandable: false,
},
{
useAlternateBuffer: true,
uiState: {
constrainHeight: false,
},
},
);
await waitUntilReady();
await waitFor(() => {
const frame = lastFrame();
// Should still be constrained to ACTIVE_SHELL_MAX_LINES (15) because isExpandable is false
expect(frame.match(/Line \d+/g)?.length).toBe(15);
});
expect(lastFrame()).toMatchSnapshot();
});
});
});