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fix(tui): full redraw on terminal width/height resize\n\ncloses #1844

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This commit is contained in:
Mario Zechner 2026-03-05 20:27:37 +01:00
parent bb85cad0ba
commit dabcda0db3
4 changed files with 45 additions and 5 deletions
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25
packages/tui/test/tui-render.test.ts
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@ -23,6 +23,31 @@ function getCellItalic(terminal: VirtualTerminal, row: number, col: number): num
}
describe("TUI resize handling", () => {
it("triggers full re-render when terminal height changes", async () => {
const terminal = new VirtualTerminal(40, 10);
const tui = new TUI(terminal);
const component = new TestComponent();
tui.addChild(component);
component.lines = ["Line 0", "Line 1", "Line 2"];
tui.start();
await terminal.flush();
const initialRedraws = tui.fullRedraws;
// Resize height
terminal.resize(40, 15);
await terminal.flush();
// Should have triggered a full redraw
assert.ok(tui.fullRedraws > initialRedraws, "Height change should trigger full redraw");
const viewport = terminal.getViewport();
assert.ok(viewport[0]?.includes("Line 0"), "Content preserved after height change");
tui.stop();
});
it("triggers full re-render when terminal width changes", async () => {
const terminal = new VirtualTerminal(40, 10);
const tui = new TUI(terminal);