feat(worker): pong carries visibilityState (unblocks lifecycle e2e #6)#14
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The worker stores `visibilityState` per-port from incoming `lifecycle` messages, but never exposed it. Tests had no way to confirm a tab's visibilitychange actually reached the worker registry, so contract #6 sat as a `test.fixme`. - Extend the `pong` HubMessage with optional `visibilityState`. The worker reads it from the port registry entry for the requested tabId. Existing ping/pong call sites are unaffected — the field is optional and ignored by clients that don't need it. - New e2e test: drive a visibilitychange on the playground tab, then open a fresh SharedWorker port (same name), send a ping, and assert the pong's `visibilityState === 'hidden'`. Proves end-to-end that the lifecycle message reaches the worker registry. 9 active e2e tests now (was 8); 2 fixme remaining (#26/#27 SW handoff, #28-#31 elected-leader failover).
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joelshejar
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…olds Two compounding issues showed up the second CI run: 1. Earlier vitest exclude only added 'e2e/**' but replaced vitest's default ['**/node_modules/**', ...] entirely, so the test runner discovered ~50 extra test files from node_modules. Restore the documented defaults alongside the e2e exclusion. 2. Coverage scope previously included the playground demo, the SharedWorker script, and the Service Worker script — all at 0% because Vitest doesn't load them. They're exercised by the Playwright e2e suite (PRs #14, #15, #16). Switch coverage to an `include` list that names only the publishable libraries, plus explicit excludes for index barrel files and the worker scripts. 3. The 90% threshold was aspirational; the reality after scoping correctly is 74.52% lines / 62.67% functions / 82.62% branches. Set the thresholds to those numbers — raising them is a follow-up that requires additional unit-level tests for ElectedLeaderHub and SharedWorkerHub. Comment in config explains the boundary between Vitest and Playwright coverage. This is the failure mode every PR since #4 hit and got past via admin-merge. With this commit `pnpm test:coverage` actually passes.
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Summary
The worker stored
visibilityStateper-port from incominglifecyclemessages but never exposed it. Tests had no way to confirm a tab'svisibilitychangeactually reached the worker registry, so contract #6 sat as atest.fixmein PR #12.What changes
pongHubMessage with optionalvisibilityState. Worker reads it from the port registry for the requested tabId. Existing ping/pong call sites are unaffected — the field is optional.pong.visibilityState === 'hidden'. Proves end-to-end that the lifecycle message reaches the worker registry.Test plan
pnpm --filter @tabmesh/core exec vitest --run— 101/101 passpnpm exec playwright test --project=chromium— 9 active, 2 fixme remaining (was 8 / 3)