1/**2 * Browser-availability failure handling: {@link BrowserUnavailableError} with3 * actionable install guidance, and the launch-error classifier that raises it.4 *5 * @module6 */78// The one place the testing helpers spell the Chromium install command; the9// version matches the `playwright` alias in the workspace import map.10const PLAYWRIGHT_INSTALL_COMMAND = "deno run -A npm:playwright@1.61.1 install chromium";1112/** Thrown when Playwright's Chromium browser is not installed, with install guidance. */13export class BrowserUnavailableError extends Error {14 /** Always `"BrowserUnavailableError"`. */15 override readonly name = "BrowserUnavailableError";1617 /**18 * Builds the error with a fixed install-guidance message.19 * @param options standard error options, e.g. a `cause` to chain the launch failure.20 */21 constructor(options?: ErrorOptions) {22 super(23 `Playwright Chromium is not installed. Run \`${PLAYWRIGHT_INSTALL_COMMAND}\` and retry.`,24 options,25 );26 }27}2829/**30 * Rethrow a browser launch failure as a {@link BrowserUnavailableError} when the31 * message indicates a missing Chromium install; otherwise rethrow it unchanged.32 */33export function rethrowBrowserLaunchError(error: unknown): never {34 const message = error instanceof Error ? error.message : String(error);35 if (36 /executable doesn't exist|browser executable|playwright install|failed to launch/i.test(message)37 ) {38 throw new BrowserUnavailableError({ cause: error });39 }40 throw error;41}