TypeScript API reference
15 min readLast updated 2026-04-10
Complete reference for the Check Studio SDK, custom matchers, and fixture APIs.
The Check Studio SDK extends Playwright with custom fixtures, matchers, and utilities designed for test resilience and reporting.
Custom fixtures
import { test as base } from '@checkstudio/sdk';
export const test = base.extend({
resilientPage: async ({ page }, use) => {
await page.addInitScript(() => {
// Inject resilience helpers
});
await use(page);
},
});Custom matchers
| toHaveStableText() | Retries until text is stable for 500ms |
| toBeAccessible() | Runs WCAG 2.1 AA checks on the element |
| toHaveNoVisualRegression() | Compares screenshot against baseline |
| toCompleteWithin(ms) | Fails if action takes longer than threshold |
Auto-complete
The SDK ships with TypeScript declarations. Import from @checkstudio/sdk for full IntelliSense in VS Code.
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