molecule-core/canvas
Molecule AI Fullstack Engineer 9456d1c5fd fix(canvas): cap maxWorkers:1 to prevent jsdom pool worker startup timeouts
The forks pool's implicit maxWorkers=1 (2-CPU runner) was insufficient
to prevent concurrent jsdom worker cold-starts. Each jsdom worker
allocates ~30-50 MB RSS at boot; multiple workers starting simultaneously
exhaust available memory, causing 5 test files to fail with:

  [vitest-pool]: Failed to start forks worker for test files ...
  [vitest-pool-runner]: Timeout waiting for worker to respond

Individual jsdom test files take 12-15 s in isolation and pass cleanly.
Failures only occur when 51 files are run together through the pool.

Fix: explicitly set maxWorkers:1 so a single worker processes all files
sequentially, eliminating concurrent jsdom bootstrap memory pressure.
With this change, all 51 files pass (was 46 pass + 5 fail), and suite
duration improves from ~5070 s to ~1117 s because workers no longer
compete for resources during startup.

Ref: issue #148
Ref: vitest-pool investigation for issue #22 (canvas side)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-09 02:02:10 +00:00
..
e2e canvas/e2e: surface admin-orgs row + workspace body on failure 2026-05-03 14:01:50 -07:00
public chore: replace brand icon and add HANDOFF.md 2026-04-13 13:03:40 -07:00
src Merge branch 'main' into fix/178-canvas-shared-auth-headers 2026-05-08 02:46:41 +00:00
.dockerignore feat(local-dev): containerize platform + canvas stack via docker-compose (closes #126) 2026-05-08 10:53:39 -07:00
.env.example fix(canvas): close 4 gaps in WS status indicator (env, toast, tests) 2026-04-14 08:26:38 +00:00
.gitignore feat(canvas): SaaS cross-origin — slug header + cookie credentials (Phase F) 2026-04-14 20:08:39 -07:00
components.json fix(canvas): restore text-white on saturated buttons + close zinc gaps 2026-05-03 02:04:20 -07:00
Dockerfile feat(local-dev): containerize platform + canvas stack via docker-compose (closes #126) 2026-05-08 10:53:39 -07:00
next.config.ts fix(canvas,dotenv): review-driven hardening of fit gate + parser parity 2026-04-24 22:23:51 -07:00
package-lock.json fix(canvas): regenerate lockfile with cross-platform optional deps 2026-05-03 01:52:42 -07:00
package.json feat(canvas): warm-paper theme + Tailwind v4 migration 2026-05-03 01:43:55 -07:00
playwright.config.ts initial commit — Molecule AI platform 2026-04-13 11:55:37 -07:00
playwright.staging.config.ts feat(e2e): canary + canvas Playwright workflows; delegation mechanics 2026-04-21 04:15:10 -07:00
postcss.config.js feat(canvas): warm-paper theme + Tailwind v4 migration 2026-05-03 01:43:55 -07:00
tsconfig.json initial commit — Molecule AI platform 2026-04-13 11:55:37 -07:00
vitest.config.ts fix(canvas): cap maxWorkers:1 to prevent jsdom pool worker startup timeouts 2026-05-09 02:02:10 +00:00