Add @fedify/pglite with PgliteKvStore - #1020
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Add a new package providing PgliteKvStore, a KvStore backed by an embedded PGlite database. It accepts a caller-created PGlite instance and reuses the PostgresKvStore schema and default table name, so a PGlite data directory can be migrated to PostgreSQL without conversion. Values are bound as text and cast to jsonb because PGlite rejects bare JavaScript strings for jsonb parameters. A message queue is not provided because PGlite does not share data between processes. Add testKvStore() to @fedify/testing, a KvStore conformance suite modeled on testMessageQueue(). It runs against MemoryKvStore in @fedify/testing and against PgliteKvStore in @fedify/pglite. Register the package in the workspaces, README, CODEOWNERS, and repo checks, and document PgliteKvStore in the key–value store manual. fedify-dev#1018 Assisted-by: Codex:gpt-5.6-sol Assisted-by: Claude Code:claude-fable-5
A 12 GiB cap exceeds common dev machines' RAM, disabling V8 GC pressure and triggering kernel OOM kills. The cap was raised to 12 GiB in 38f0a9f, when every build still re-typechecked all Twoslash blocks in one process. Since 467941e persists Twoslash results in a file system cache, measured builds peak around 3 GiB of heap even with a cold cache, so the cap can drop below physical memory and let GC work again. Assisted-by: Claude Code:claude-fable-5
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Included review availability: Your plan provides up to 4 included reviews per hour; 3 remain after this review. 📝 WalkthroughWalkthroughAdds ChangesPGlite KV storage
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🔵 Low · up to The new PGlite-backed key-value store and shared conformance helper are broadly contained, but cleanup failures can report an error after a mutation has committed, table removal can race with active use, and TTL tests depend on caller-provided Temporal setup. The PR is mergeable with explicit owner awareness or follow-up for these bounded reliability risks. Sequence Diagram(s)sequenceDiagram
participant Application
participant PgliteKvStore
participant PGlite
Application->>PgliteKvStore: invoke KvStore operation
PgliteKvStore->>PgliteKvStore: initialize and expire rows
PgliteKvStore->>PGlite: execute SQL
PGlite-->>PgliteKvStore: return query result
PgliteKvStore-->>Application: return operation result
Suggested reviewers: 🚥 Pre-merge checks | ✅ 2 | ❌ 3❌ Failed checks (3 warnings)
✅ Passed checks (2 passed)
Full details: Linked Issues checkExplanation The PR implements the PGlite key-value store portion of issue Resolution Implement the remaining coding requirements from issue Full details: Docstring CoverageExplanation Docstring coverage is 12.50% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 8 functions across 9 files. (3 skipped: 3 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@packages/testing/README.md`:
- Line 98: Update the “Store conformance tests” heading in the README from ATX
syntax to setext syntax, matching the document’s existing heading style and
satisfying markdownlint MD003.
In `@packages/testing/src/kv-tester.ts`:
- Line 100: Initialize Temporal in the module containing the default TTL
configuration before the Temporal.Duration call, using the
temporal-polyfill/global import so the Deno source export works without the
unstable-temporal flag.
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deno.lockis excluded by!**/*.lockpnpm-lock.yamlis excluded by!**/pnpm-lock.yaml
📒 Files selected for processing (23)
.github/CODEOWNERSCHANGES.mdchanges.d/pglite/pglite-kv-store.mdchanges.d/testing/kv-store-tester.mdcspell.jsondeno.jsondocs/manual/kv.mddocs/package.jsonpackages/fedify/README.mdpackages/pglite/README.mdpackages/pglite/deno.jsonpackages/pglite/package.jsonpackages/pglite/src/kv.test.tspackages/pglite/src/kv.tspackages/pglite/src/mod.tspackages/pglite/tsdown.config.tspackages/testing/README.mdpackages/testing/src/kv-tester.test.tspackages/testing/src/kv-tester.tspackages/testing/src/mod.tspnpm-workspace.yamlscripts/check_fixture_usage.tsscripts/check_temporal_polyfill.ts
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2 participants
Resolves #1018.
Adds
@fedify/pglite, a new package providingPgliteKvStore, following the scope agreed in #1018: a key–value store in its own package, built on a caller-createdPGliteinstance, with no message queue because PGlite does not share data between processes (electric-sql/pglite#489, electric-sql/pglite#892).PgliteKvStorereuses thePostgresKvStoreschema and default table name, so a PGlite data directory can be migrated to PostgreSQL without conversion. Values are bound astextand cast tojsonbbecause PGlite rejects bare JavaScript strings forjsonbparameters. The store never creates or closes the PGlite instance; ownership stays with the caller, and the manual documents the single-instance, single-isolate constraint.@fedify/testinggainstestKvStore(), aKvStoreconformance suite modeled ontestMessageQueue(). It runs againstMemoryKvStorein@fedify/testingand againstPgliteKvStorein@fedify/pglite. Retrofitting the existing adapters totestKvStore()and adding PGlite tofedify initare left to follow-up issues.A separate commit lowers the docs build heap cap from 12 GiB to 3 GiB. The 12 GiB cap predates the Twoslash file system cache and exceeds common dev machines' RAM, which disables V8 GC pressure and triggers kernel OOM kills; measured builds peak around 3 GiB of heap even with a cold cache.
Tested with
mise run test-each pglite testingon Deno 2.9.5, Node.js 22.23.1, and Bun 1.2.22, plusmise run checkandmise run docs:build.Assisted-by: Codex:gpt-5.6-sol to write code.
Assisted-by: Claude Code:claude-fable-5 to plan, review and etc.