29 lines
814 B
TypeScript
29 lines
814 B
TypeScript
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import type React from "react";
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import { render } from "ink-testing-library";
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import stripAnsi from "strip-ansi";
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/**
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* Render an Ink component for testing.
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*
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* Returns the full testing‑library utils plus `lastFrameStripped()` which
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* yields the latest rendered frame with ANSI escape codes removed so that
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* assertions can be colour‑agnostic.
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*/
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export function renderTui(ui: React.ReactElement): any {
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const utils = render(ui);
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const lastFrameStripped = () => stripAnsi(utils.lastFrame() || "");
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// A tiny helper that waits for Ink's internal promises / timers to settle
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// so the next `lastFrame()` call reflects the latest UI state.
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const flush = async () =>
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new Promise<void>((resolve) => setTimeout(resolve, 0));
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return {
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...utils,
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lastFrameStripped,
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flush,
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};
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}
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