chore: migrate @rocket.chat/memo from Fuselage - #41769
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tassoevan wants to merge 3 commits into
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Bring the memoization package into the monorepo as a workspace package and point `apps/meteor` at `workspace:~` instead of the published version. Also drop it from the `fuselage.sh` bump list, since it is no longer released from the Fuselage repo. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
`tsconfig.esm.json` only overrode `outDir`, so the ESM build inherited `module: commonjs` from the base config and `dist/esm/index.js` came out byte-identical to the CJS build. Neither build enabled `declaration`, so the `types` entry point (`dist/esm/index.d.ts`) did not exist at all. Set `module: esnext` for the ESM build and turn on declarations, declaration maps and source maps for both, matching what the published 0.31.25 tarball shipped. The emitted JS is now identical to that tarball apart from formatting; `index.d.ts` additionally re-exports the public types, which the published build did not. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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| Layer / File(s) | Summary |
|---|---|
Memoization API and behavior packages/memo/src/memoize.ts, packages/memo/src/index.ts, packages/memo/src/memoize.spec.ts |
Adds memoize and clear, generic public types, per-argument caching, optional maxAge expiration, and tests for caching, clearing, undefined values, and timers. |
Package publishing and build configuration packages/memo/package.json, packages/memo/tsconfig*.json, packages/memo/jest.config.ts |
Adds package metadata, CJS and ESM entry points, TypeScript declarations, build and test scripts, Jest configuration, and published dist files. |
Workspace dependency integration apps/meteor/package.json, fuselage.sh |
Changes the application dependency to workspace:~ and removes @rocket.chat/memo from the all-package update flow. |
Estimated code review effort: 3 (Moderate) | ~20 minutes
Mergeability Score: 🟡 Moderate · up to 9b429
The migration preserves the memoization package and its build outputs, but the current implementation can prematurely evict a newly recached value and can reject valid TypeScript callers of the public clear API, causing runtime cache inconsistencies or consumer compile failures. These bounded issues need resolution or explicit owner acceptance before merging.
Sequence Diagram(s)
sequenceDiagram
participant Caller
participant memoize
participant ArgumentCache
participant ExpirationTimer
Caller->>memoize: call with arguments
memoize->>ArgumentCache: check cached result
ArgumentCache-->>memoize: return result or cache miss
memoize->>ExpirationTimer: refresh maxAge timer
memoize-->>Caller: return result
ExpirationTimer->>ArgumentCache: remove expired entry
Possibly related PRs
- RocketChat/Rocket.Chat#41768: Migrates another Fuselage package into the workspace with similar package configuration and dependency updates.
Suggested labels: type: feature
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
| Check name | Status | Explanation |
|---|---|---|
| Docstring Coverage | ✅ Passed | No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. |
| Linked Issues check | ✅ Passed | Check skipped because no linked issues were found for this pull request. |
| Out of Scope Changes check | ✅ Passed | Check skipped because no linked issues were found for this pull request. |
| Description Check | ✅ Passed | Check skipped - CodeRabbit’s high-level summary is enabled. |
| Title check | ✅ Passed | The title clearly summarizes the main change: migrating @rocket.chat/memo from Fuselage into the Rocket.Chat monorepo. |
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## develop #41769 +/- ##
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+ Coverage 69.00% 69.04% +0.04%
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Files 4224 4225 +1
Lines 166094 166131 +37
Branches 29564 29530 -34
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+ Hits 114608 114709 +101
+ Misses 46330 46271 -59
+ Partials 5156 5151 -5
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Actionable comments posted: 2
🤖 Prompt for all review comments with AI agents
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Inline comments:
In `@packages/memo/src/memoize.ts`:
- Line 8: Update the memoization clear logic to cancel every expiration timer
and remove its entries from cacheTimers before or while clearing cached values,
so clearing and recaching the same argument cannot be affected by stale timers.
Add a regression test covering clear, recache, and expiration behavior, using
the existing memoization symbols and test structure.
- Line 56: Update the clear function signature to be generic over T, A, and R,
accepting MemoizedFunction<T, A, R> so typed memoized functions remain
compatible under strict mode while preserving their type parameters.
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Fix all unresolved CodeRabbit comments on this PR:
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📒 Files selected for processing (10)
apps/meteor/package.jsonfuselage.shpackages/memo/jest.config.tspackages/memo/package.jsonpackages/memo/src/index.tspackages/memo/src/memoize.spec.tspackages/memo/src/memoize.tspackages/memo/tsconfig.cjs.jsonpackages/memo/tsconfig.esm.jsonpackages/memo/tsconfig.json
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🧰 Additional context used
📓 Path-based instructions (4)
packages/**
📄 CodeRabbit inference engine (CLAUDE.md)
Shared libraries belong in
packages/, while other services belong inapps/andee/.
Files:
packages/memo/tsconfig.jsonpackages/memo/tsconfig.cjs.jsonpackages/memo/src/index.tspackages/memo/jest.config.tspackages/memo/package.jsonpackages/memo/tsconfig.esm.jsonpackages/memo/src/memoize.spec.tspackages/memo/src/memoize.ts
apps/meteor/**
📄 CodeRabbit inference engine (CLAUDE.md)
The main Rocket.Chat Meteor application resides in
apps/meteor/; place its application code there rather than in other monorepo areas.
Files:
apps/meteor/package.json
**/*.{ts,tsx,js}
📄 CodeRabbit inference engine (.cursor/rules/playwright.mdc)
**/*.{ts,tsx,js}: Write concise, technical TypeScript/JavaScript with accurate typing in Playwright tests
Avoid code comments in the implementation
Files:
packages/memo/src/index.tspackages/memo/jest.config.tspackages/memo/src/memoize.spec.tspackages/memo/src/memoize.ts
**/*.spec.ts
📄 CodeRabbit inference engine (.cursor/rules/playwright.mdc)
**/*.spec.ts: Use descriptive test names that clearly communicate expected behavior in Playwright tests
Use.spec.tsextension for test files (e.g.,login.spec.ts)
Files:
packages/memo/src/memoize.spec.ts
🧠 Learnings (37)
📓 Common learnings
Learnt from: ahmed-n-abdeltwab
Repo: RocketChat/Rocket.Chat PR: 0
File: :0-0
Timestamp: 2026-02-24T19:05:56.710Z
Learning: Rocket.Chat repo context: When a workspace manifest on develop already pins a dependency version (e.g., packages/web-ui-registration → "rocket.chat/ui-contexts": "27.0.1"), a lockfile change in a feature PR that upgrades only that dependency’s resolution is considered a manifest-driven sync and can be kept, preferably as a small "chore: sync yarn.lock with manifests" commit.
Learnt from: d-gubert
Repo: RocketChat/Rocket.Chat PR: 40186
File: apps/meteor/app/apps/server/bridges/uiInteraction.ts:2-2
Timestamp: 2026-05-06T20:48:08.244Z
Learning: In the RocketChat/Rocket.Chat repository, Meteor's bundler does not respect the `exports` keyword in `package.json` files. Deep imports (e.g., `rocket.chat/apps/dist/server/bridges/UiInteractionBridge`) must be used instead of relying on `exports` subpath mappings. Do not suggest adding `exports` map entries to packages consumed by Meteor (e.g., `packages/apps/package.json`) as a fix for deep imports.
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: CLAUDE.md:0-0
Timestamp: 2026-08-06T23:50:03.764Z
Learning: Applies to apps/meteor/** : The main Rocket.Chat Meteor application resides in `apps/meteor/`; place its application code there rather than in other monorepo areas.
Learnt from: ahmed-n-abdeltwab
Repo: RocketChat/Rocket.Chat PR: 38974
File: apps/meteor/app/api/server/v1/im.ts:220-221
Timestamp: 2026-02-24T19:09:09.561Z
Learning: In RocketChat/Rocket.Chat OpenAPI migration PRs for apps/meteor/app/api/server/v1 endpoints, maintainers prefer to avoid any logic changes; style-only cleanups (like removing inline comments) may be deferred to follow-ups to keep scope tight.
Learnt from: ahmed-n-abdeltwab
Repo: RocketChat/Rocket.Chat PR: 0
File: :0-0
Timestamp: 2026-02-24T19:05:56.710Z
Learning: In Rocket.Chat PRs, keep feature PRs free of unrelated lockfile-only dependency bumps; prefer reverting lockfile drift or isolating such bumps into a separate "chore" commit/PR, and always use yarn install --immutable with the Yarn version pinned in package.json via Corepack.
Learnt from: d-gubert
Repo: RocketChat/Rocket.Chat PR: 40159
File: packages/apps-engine/turbo.json:6-6
Timestamp: 2026-04-14T23:23:18.990Z
Learning: In RocketChat/Rocket.Chat's Turborepo setup, the workspace-root `package.json` is part of Turbo's global hash and does not need to be explicitly listed in a package-level turbo.json task's `inputs` array. Changes to the root `package.json` already bust the cache for all tasks via the global hash. Do not flag the absence of `$TURBO_ROOT$/package.json` in task-level inputs as a cache-invalidation issue.
Learnt from: gabriellsh
Repo: RocketChat/Rocket.Chat PR: 40202
File: packages/ui-voip/package.json:12-12
Timestamp: 2026-06-19T20:51:30.340Z
Learning: In the `rocket.chat/ui-voip` package (`packages/ui-voip`), the `build:post` script runs `node --no-warnings dist/generate-landing-view.js`. Despite the TypeScript compiler being configured with `"module": "esnext"`, the `generate-landing-view.tsx` source uses CJS-compatible Node patterns (such as `createRequire`) rather than ESM-only constructs like `import.meta.url`. As a result, Node can execute the compiled output without requiring `"type": "module"` in `package.json`. Do not flag this as a module format mismatch — the build has been verified to work correctly.
Learnt from: ricardogarim
Repo: RocketChat/Rocket.Chat PR: 40974
File: packages/ui-video-conf/package.json:25-25
Timestamp: 2026-06-16T14:14:09.051Z
Learning: When reviewing rocket.chat/fuselage version bumps in the Rocket.Chat monorepo, do not flag version constraints as non-existent without verifying directly against the npm registry page (https://www.npmjs.com/package/rocket.chat/fuselage). Web search results for npm package versions can be stale and may not reflect the latest published releases.
Learnt from: smirk-dev
Repo: RocketChat/Rocket.Chat PR: 39625
File: apps/meteor/app/api/server/v1/push.ts:85-97
Timestamp: 2026-03-14T14:58:58.834Z
Learning: In RocketChat/Rocket.Chat, the `push.token` POST/DELETE endpoints in `apps/meteor/app/api/server/v1/push.ts` were already migrated to the chained router API pattern on `develop` prior to PR `#39625`. `cleanTokenResult` (which strips `authToken` and returns `PushTokenResult`) and `isPushTokenPOSTProps`/`isPushTokenDELETEProps` validators already exist on `develop`. PR `#39625` only migrates `push.get` and `push.info` to the chained pattern. Do not flag `cleanTokenResult` or `PushTokenResult` as newly introduced behavior-breaking changes when reviewing this PR.
Learnt from: d-gubert
Repo: RocketChat/Rocket.Chat PR: 37547
File: packages/i18n/src/locales/en.i18n.json:634-634
Timestamp: 2025-11-19T12:32:29.696Z
Learning: Repo: RocketChat/Rocket.Chat
Context: i18n workflow
Learning: In this repository, new translation keys should be added to packages/i18n/src/locales/en.i18n.json only; other locale files are populated via the external translation pipeline and/or fall back to English. Do not request adding the same key to all locale files in future reviews.
Learnt from: ggazzo
Repo: RocketChat/Rocket.Chat PR: 35995
File: apps/meteor/app/api/server/v1/rooms.ts:1107-1112
Timestamp: 2026-02-23T17:53:18.785Z
Learning: In Rocket.Chat PR reviews, maintain strict scope boundaries—when a PR is focused on a specific endpoint (e.g., rooms.favorite), avoid reviewing or suggesting changes to other endpoints that were incidentally refactored (e.g., rooms.invite) unless explicitly requested by maintainers.
📚 Learning: 2026-05-11T21:46:26.540Z
Learnt from: d-gubert
Repo: RocketChat/Rocket.Chat PR: 40463
File: packages/apps/src/lib/SecureFields.ts:17-19
Timestamp: 2026-05-11T21:46:26.540Z
Learning: In `RocketChat/Rocket.Chat`, the package `packages/apps` (`packages/apps/tsconfig.json`) has `"strict": false` set in its TypeScript compiler options. This means `noImplicitAny` and other strict checks are disabled, so indexing `unknown` (e.g., `object?.[kSecureFields]`) does NOT produce TS7053. Do not flag TS7053 or related strict-mode errors for files under `packages/apps/src/`.
Applied to files:
packages/memo/tsconfig.jsonpackages/memo/tsconfig.cjs.jsonpackages/memo/tsconfig.esm.json
📚 Learning: 2025-12-10T21:00:54.909Z
Learnt from: KevLehman
Repo: RocketChat/Rocket.Chat PR: 37091
File: ee/packages/abac/jest.config.ts:4-7
Timestamp: 2025-12-10T21:00:54.909Z
Learning: Rocket.Chat monorepo: Jest testMatch pattern '<rootDir>/src/**/*.spec.(ts|js|mjs)' is valid in this repo and used across multiple packages (e.g., packages/tools, ee/packages/omnichannel-services). Do not flag it as invalid in future reviews.
Applied to files:
packages/memo/tsconfig.jsonpackages/memo/tsconfig.cjs.jsonpackages/memo/jest.config.ts
📚 Learning: 2026-06-01T18:56:35.198Z
Learnt from: jeanfbrito
Repo: RocketChat/Rocket.Chat PR: 0
File: :0-0
Timestamp: 2026-06-01T18:56:35.198Z
Learning: In the Rocket.Chat repository, the "avoid explanatory comments in implementation files" guideline originates from `.cursor/rules/playwright.mdc` and is scoped **only to Playwright test files**. The `**/*.{ts,tsx,js}` glob in that rule over-matches general `src/` TypeScript/JavaScript source files. Do not flag explanatory comments in `src/**/*.{ts,tsx}` implementation files as violating this rule; comments documenting non-obvious behavior in source files are acceptable and encouraged.
Applied to files:
packages/memo/tsconfig.json
📚 Learning: 2025-11-24T17:08:17.065Z
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: .cursor/rules/playwright.mdc:0-0
Timestamp: 2025-11-24T17:08:17.065Z
Learning: Applies to **/*.spec.ts : Use `.spec.ts` extension for test files (e.g., `login.spec.ts`)
Applied to files:
packages/memo/tsconfig.jsonpackages/memo/tsconfig.cjs.jsonpackages/memo/tsconfig.esm.json
📚 Learning: 2025-11-24T17:08:17.065Z
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: .cursor/rules/playwright.mdc:0-0
Timestamp: 2025-11-24T17:08:17.065Z
Learning: Applies to **/*.{ts,tsx,js} : Write concise, technical TypeScript/JavaScript with accurate typing in Playwright tests
Applied to files:
packages/memo/tsconfig.jsonpackages/memo/tsconfig.cjs.jsonpackages/memo/tsconfig.esm.json
📚 Learning: 2026-06-19T20:51:30.340Z
Learnt from: gabriellsh
Repo: RocketChat/Rocket.Chat PR: 40202
File: packages/ui-voip/package.json:12-12
Timestamp: 2026-06-19T20:51:30.340Z
Learning: In the `rocket.chat/ui-voip` package (`packages/ui-voip`), the `build:post` script runs `node --no-warnings dist/generate-landing-view.js`. Despite the TypeScript compiler being configured with `"module": "esnext"`, the `generate-landing-view.tsx` source uses CJS-compatible Node patterns (such as `createRequire`) rather than ESM-only constructs like `import.meta.url`. As a result, Node can execute the compiled output without requiring `"type": "module"` in `package.json`. Do not flag this as a module format mismatch — the build has been verified to work correctly.
Applied to files:
packages/memo/tsconfig.jsonpackages/memo/tsconfig.cjs.jsonfuselage.shpackages/memo/package.jsonpackages/memo/tsconfig.esm.json
📚 Learning: 2026-04-14T23:23:18.990Z
Learnt from: d-gubert
Repo: RocketChat/Rocket.Chat PR: 40159
File: packages/apps-engine/turbo.json:6-6
Timestamp: 2026-04-14T23:23:18.990Z
Learning: In RocketChat/Rocket.Chat's Turborepo setup, the workspace-root `package.json` is part of Turbo's global hash and does not need to be explicitly listed in a package-level turbo.json task's `inputs` array. Changes to the root `package.json` already bust the cache for all tasks via the global hash. Do not flag the absence of `$TURBO_ROOT$/package.json` in task-level inputs as a cache-invalidation issue.
Applied to files:
packages/memo/tsconfig.jsonapps/meteor/package.json
📚 Learning: 2026-02-25T20:10:16.987Z
Learnt from: ahmed-n-abdeltwab
Repo: RocketChat/Rocket.Chat PR: 38913
File: packages/ddp-client/src/legacy/types/SDKLegacy.ts:34-34
Timestamp: 2026-02-25T20:10:16.987Z
Learning: In the RocketChat/Rocket.Chat monorepo, packages/ddp-client and apps/meteor do not use TypeScript project references. Module augmentations in apps/meteor (e.g., declare module 'rocket.chat/rest-typings') are not visible when compiling packages/ddp-client in isolation, which is why legacy SDK methods that depend on OperationResult types for OpenAPI-migrated endpoints must remain commented out.
Applied to files:
packages/memo/tsconfig.jsonapps/meteor/package.json
📚 Learning: 2026-05-11T20:29:04.671Z
Learnt from: tassoevan
Repo: RocketChat/Rocket.Chat PR: 40480
File: apps/meteor/client/meteor/login/LoginCancelledError.ts:1-3
Timestamp: 2026-05-11T20:29:04.671Z
Learning: In RocketChat/Rocket.Chat, the coding guideline "Avoid code comments in the implementation" applies only to Playwright test files (e.g., tests/e2e/**/*.{ts,tsx,js}), NOT to general TypeScript/JavaScript implementation files. Do not flag explanatory comments in regular .ts/.tsx implementation files under this rule.
Applied to files:
packages/memo/tsconfig.json
📚 Learning: 2026-02-24T19:05:56.710Z
Learnt from: ahmed-n-abdeltwab
Repo: RocketChat/Rocket.Chat PR: 0
File: :0-0
Timestamp: 2026-02-24T19:05:56.710Z
Learning: Rocket.Chat repo context: When a workspace manifest on develop already pins a dependency version (e.g., packages/web-ui-registration → "rocket.chat/ui-contexts": "27.0.1"), a lockfile change in a feature PR that upgrades only that dependency’s resolution is considered a manifest-driven sync and can be kept, preferably as a small "chore: sync yarn.lock with manifests" commit.
Applied to files:
apps/meteor/package.jsonfuselage.shpackages/memo/package.json
📚 Learning: 2026-02-24T19:09:09.561Z
Learnt from: ahmed-n-abdeltwab
Repo: RocketChat/Rocket.Chat PR: 38974
File: apps/meteor/app/api/server/v1/im.ts:220-221
Timestamp: 2026-02-24T19:09:09.561Z
Learning: In RocketChat/Rocket.Chat OpenAPI migration PRs for apps/meteor/app/api/server/v1 endpoints, maintainers prefer to avoid any logic changes; style-only cleanups (like removing inline comments) may be deferred to follow-ups to keep scope tight.
Applied to files:
apps/meteor/package.jsonfuselage.sh
📚 Learning: 2026-05-06T20:48:08.244Z
Learnt from: d-gubert
Repo: RocketChat/Rocket.Chat PR: 40186
File: apps/meteor/app/apps/server/bridges/uiInteraction.ts:2-2
Timestamp: 2026-05-06T20:48:08.244Z
Learning: In the RocketChat/Rocket.Chat repository, Meteor's bundler does not respect the `exports` keyword in `package.json` files. Deep imports (e.g., `rocket.chat/apps/dist/server/bridges/UiInteractionBridge`) must be used instead of relying on `exports` subpath mappings. Do not suggest adding `exports` map entries to packages consumed by Meteor (e.g., `packages/apps/package.json`) as a fix for deep imports.
Applied to files:
apps/meteor/package.json
📚 Learning: 2026-08-06T23:50:03.764Z
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: CLAUDE.md:0-0
Timestamp: 2026-08-06T23:50:03.764Z
Learning: Applies to apps/meteor/** : The main Rocket.Chat Meteor application resides in `apps/meteor/`; place its application code there rather than in other monorepo areas.
Applied to files:
apps/meteor/package.json
📚 Learning: 2026-06-16T14:14:09.051Z
Learnt from: ricardogarim
Repo: RocketChat/Rocket.Chat PR: 40974
File: packages/ui-video-conf/package.json:25-25
Timestamp: 2026-06-16T14:14:09.051Z
Learning: When reviewing rocket.chat/fuselage version bumps in the Rocket.Chat monorepo, do not flag version constraints as non-existent without verifying directly against the npm registry page (https://www.npmjs.com/package/rocket.chat/fuselage). Web search results for npm package versions can be stale and may not reflect the latest published releases.
Applied to files:
apps/meteor/package.jsonfuselage.sh
📚 Learning: 2026-02-24T19:05:56.710Z
Learnt from: ahmed-n-abdeltwab
Repo: RocketChat/Rocket.Chat PR: 0
File: :0-0
Timestamp: 2026-02-24T19:05:56.710Z
Learning: In Rocket.Chat PRs, keep feature PRs free of unrelated lockfile-only dependency bumps; prefer reverting lockfile drift or isolating such bumps into a separate "chore" commit/PR, and always use yarn install --immutable with the Yarn version pinned in package.json via Corepack.
Applied to files:
apps/meteor/package.jsonfuselage.sh
📚 Learning: 2026-07-16T20:32:30.340Z
Learnt from: yasnagat
Repo: RocketChat/Rocket.Chat PR: 41427
File: package.json:105-106
Timestamp: 2026-07-16T20:32:30.340Z
Learning: In Rocket.Chat’s Yarn dependency management, keep `yarn.lock` entries’ `version:` fields aligned with `package.json` resolution overrides when possible: third-party security tools may parse the lockfile as plain text rather than evaluate Yarn’s resolution engine, causing false unresolved-CVE findings otherwise.
Applied to files:
apps/meteor/package.jsonfuselage.sh
📚 Learning: 2026-03-17T16:08:37.572Z
Learnt from: cardoso
Repo: RocketChat/Rocket.Chat PR: 39690
File: packages/ui-voip/package.json:11-11
Timestamp: 2026-03-17T16:08:37.572Z
Learning: In `packages/ui-voip/package.json` (RocketChat/Rocket.Chat), the team deliberately chose to use `rm -rf dist` directly in the `"build"` script instead of `rimraf`, as they decided against introducing the `rimraf` dependency for this package. Do not flag `rm -rf dist` in the ui-voip build script as a cross-platform issue requiring rimraf.
Applied to files:
apps/meteor/package.jsonfuselage.shpackages/memo/package.json
📚 Learning: 2026-06-15T19:19:01.325Z
Learnt from: yasnagat
Repo: RocketChat/Rocket.Chat PR: 40950
File: package.json:167-168
Timestamp: 2026-06-15T19:19:01.325Z
Learning: In the RocketChat/Rocket.Chat monorepo's root `package.json`, the Yarn v4 resolution `"uuidnpm:13": "13.0.1"` is intentional. The lockfile resolves four uuid major versions simultaneously (8.3.2, 9.0.1, 11.1.1, 13.0.0) from different dependency chains. Using a bare `"uuid": "13.0.1"` would collapse all of them to v13, breaking packages that depend on ^8.x, ^9.x, and ~11.x. The descriptor-specific `npm:13` key syntax is required to pin only the v13 range without affecting other major version ranges.
Applied to files:
apps/meteor/package.jsonfuselage.sh
📚 Learning: 2025-11-19T18:20:07.720Z
Learnt from: gabriellsh
Repo: RocketChat/Rocket.Chat PR: 37419
File: packages/i18n/src/locales/en.i18n.json:918-921
Timestamp: 2025-11-19T18:20:07.720Z
Learning: Repo: RocketChat/Rocket.Chat — i18n/formatting
Learning: This repository uses a custom message formatting parser in UI blocks/messages; do not assume standard Markdown rules. For keys like Call_ended_bold, Call_not_answered_bold, Call_failed_bold, and Call_transferred_bold in packages/i18n/src/locales/en.i18n.json, retain the existing single-asterisk emphasis unless maintainers request otherwise.
Applied to files:
apps/meteor/package.json
📚 Learning: 2026-02-26T19:25:44.063Z
Learnt from: gabriellsh
Repo: RocketChat/Rocket.Chat PR: 38778
File: packages/ui-voip/src/providers/useMediaSession.ts:192-192
Timestamp: 2026-02-26T19:25:44.063Z
Learning: In the Rocket.Chat repository, do not reference Biome lint rules in code review feedback. Biome is not used even if biome.json exists; only reference Biome rules if there is explicit, project-wide usage documented. For TypeScript files, review lint implications without Biome guidance unless the project enables Biome rules.
Applied to files:
packages/memo/src/index.tspackages/memo/jest.config.tspackages/memo/src/memoize.spec.tspackages/memo/src/memoize.ts
📚 Learning: 2026-02-26T19:25:44.063Z
Learnt from: gabriellsh
Repo: RocketChat/Rocket.Chat PR: 38778
File: packages/ui-voip/src/providers/useMediaSession.ts:192-192
Timestamp: 2026-02-26T19:25:44.063Z
Learning: In this repository (RocketChat/Rocket.Chat), Biome lint rules are not used even if a biome.json exists. When reviewing TypeScript files (e.g., packages/ui-voip/src/providers/useMediaSession.ts), ensure lint suggestions do not reference Biome-specific rules. Rely on general ESLint/TypeScript lint rules and project conventions instead.
Applied to files:
packages/memo/src/index.tspackages/memo/jest.config.tspackages/memo/src/memoize.spec.tspackages/memo/src/memoize.ts
📚 Learning: 2026-05-06T12:21:44.083Z
Learnt from: juliajforesti
Repo: RocketChat/Rocket.Chat PR: 40256
File: apps/meteor/client/components/CreateDiscussion/CreateDiscussion.tsx:121-149
Timestamp: 2026-05-06T12:21:44.083Z
Learning: Field wrappers in rocket.chat/fuselage-forms (Field, FieldLabel, FieldRow, FieldError, FieldHint) auto-create htmlFor/id associations, aria-describedby, and role="alert" for errors. Do not manually set htmlFor, id, aria-describedby, or role attributes when using these wrappers. This automatic wiring does not apply to plain rocket.chat/fuselage components, which require explicit ID wiring per the accessibility docs. In code reviews, prefer using fuselage-forms wrappers for form fields and verify there is no unnecessary manual ID/aria wiring in files that use these wrappers. If a component uses plain fuselage components, ensure proper id wiring as per docs.
Applied to files:
packages/memo/src/index.tspackages/memo/jest.config.tspackages/memo/src/memoize.spec.tspackages/memo/src/memoize.ts
📚 Learning: 2026-06-18T21:15:00.821Z
Learnt from: abhinavkrin
Repo: RocketChat/Rocket.Chat PR: 41009
File: apps/meteor/tests/end-to-end/apps/apps-update.ts:27-39
Timestamp: 2026-06-18T21:15:00.821Z
Learning: In Rocket.Chat's Apps Engine, the app update API does not check or enforce version constraints. When writing E2E tests for app updates (e.g., in apps/meteor/tests/end-to-end/apps/apps-update.ts), it is valid and intentional to install and update using the same version fixture (e.g., appUpdateTest v0.0.1 for both install and update). Do not flag same-version update tests as missing a realistic version upgrade scenario.
Applied to files:
fuselage.sh
📚 Learning: 2026-06-16T14:13:59.294Z
Learnt from: ricardogarim
Repo: RocketChat/Rocket.Chat PR: 40974
File: packages/web-ui-registration/package.json:26-26
Timestamp: 2026-06-16T14:13:59.294Z
Learning: When verifying whether a specific npm package version exists, the npm registry API or the direct npm package URL (https://www.npmjs.com/package/<package>/v/<version>) is more reliable than a web search, which may return cached or stale results. For rocket.chat/fuselage and related fuselage packages in the RocketChat/Rocket.Chat monorepo, always verify version availability directly from the npm registry before flagging a version bump as invalid.
Applied to files:
fuselage.sh
📚 Learning: 2026-03-14T14:58:58.834Z
Learnt from: smirk-dev
Repo: RocketChat/Rocket.Chat PR: 39625
File: apps/meteor/app/api/server/v1/push.ts:85-97
Timestamp: 2026-03-14T14:58:58.834Z
Learning: In RocketChat/Rocket.Chat, the `push.token` POST/DELETE endpoints in `apps/meteor/app/api/server/v1/push.ts` were already migrated to the chained router API pattern on `develop` prior to PR `#39625`. `cleanTokenResult` (which strips `authToken` and returns `PushTokenResult`) and `isPushTokenPOSTProps`/`isPushTokenDELETEProps` validators already exist on `develop`. PR `#39625` only migrates `push.get` and `push.info` to the chained pattern. Do not flag `cleanTokenResult` or `PushTokenResult` as newly introduced behavior-breaking changes when reviewing this PR.
Applied to files:
fuselage.sh
📚 Learning: 2026-06-16T14:13:38.765Z
Learnt from: ricardogarim
Repo: RocketChat/Rocket.Chat PR: 40974
File: packages/web-ui-registration/package.json:31-31
Timestamp: 2026-06-16T14:13:38.765Z
Learning: In the Rocket.Chat monorepo, when flagging a dependency version as non-existent, always verify directly against the npm registry (e.g., https://registry.npmjs.org/<package>/<version> or https://www.npmjs.com/package/<package>/v/<version>) before raising an issue. Web search results can return stale or cached data that does not reflect the latest published versions.
Applied to files:
fuselage.sh
📚 Learning: 2026-06-16T14:13:59.986Z
Learnt from: ricardogarim
Repo: RocketChat/Rocket.Chat PR: 40974
File: packages/ui-video-conf/package.json:25-25
Timestamp: 2026-06-16T14:13:59.986Z
Learning: In the Rocket.Chat monorepo, when reviewing a dependency version bump for rocket.chat/fuselage in a package.json, do not flag the new version constraint as “non-existent” or invalid unless you verify the published versions directly from the npm registry (https://www.npmjs.com/package/rocket.chat/fuselage). Don’t rely on search/web results for available versions since they can be stale.
Applied to files:
packages/memo/package.json
📚 Learning: 2026-06-16T14:13:34.463Z
Learnt from: ricardogarim
Repo: RocketChat/Rocket.Chat PR: 40974
File: packages/web-ui-registration/package.json:31-31
Timestamp: 2026-06-16T14:13:34.463Z
Learning: In Rocket.Chat’s monorepo, when reviewing a dependency entry and flagging that a specific version “does not exist” (e.g., in package.json), first verify the exact package/version directly against the npm registry (use URLs like https://registry.npmjs.org/<package>/<version> or https://www.npmjs.com/package/<package>/v/<version>). Do not rely on web search results for this check, since they may be stale or cached and may not reflect the latest published versions.
Applied to files:
packages/memo/package.json
📚 Learning: 2026-06-16T14:13:49.795Z
Learnt from: ricardogarim
Repo: RocketChat/Rocket.Chat PR: 40974
File: packages/web-ui-registration/package.json:26-26
Timestamp: 2026-06-16T14:13:49.795Z
Learning: During code reviews that check whether a dependency version exists in package.json (especially for Rocket.Chat’s rocket.chat/fuselage and related rocket.chat/fuselage-* packages), don’t rely on web search results. Instead, verify the version directly against the npm registry (e.g., via the npm registry API or the canonical package URL https://www.npmjs.com/package/<package>/v/<version>) before deciding that a version bump is invalid. If the version is present in the npm registry, do not flag it as invalid.
Applied to files:
packages/memo/package.json
📚 Learning: 2025-11-24T17:08:17.065Z
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: .cursor/rules/playwright.mdc:0-0
Timestamp: 2025-11-24T17:08:17.065Z
Learning: Applies to apps/meteor/tests/e2e/**/*.spec.ts : Ensure tests run reliably in parallel without shared state conflicts
Applied to files:
packages/memo/src/memoize.spec.ts
📚 Learning: 2025-11-24T17:08:17.065Z
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: .cursor/rules/playwright.mdc:0-0
Timestamp: 2025-11-24T17:08:17.065Z
Learning: Applies to apps/meteor/tests/e2e/**/*.spec.ts : Utilize Playwright fixtures (`test`, `page`, `expect`) for consistency in test files
Applied to files:
packages/memo/src/memoize.spec.ts
📚 Learning: 2025-11-24T17:08:17.065Z
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: .cursor/rules/playwright.mdc:0-0
Timestamp: 2025-11-24T17:08:17.065Z
Learning: Applies to apps/meteor/tests/e2e/**/*.spec.ts : Use `expect` matchers for assertions (`toEqual`, `toContain`, `toBeTruthy`, `toHaveLength`, etc.) instead of `assert` statements in Playwright tests
Applied to files:
packages/memo/src/memoize.spec.ts
📚 Learning: 2025-11-24T17:08:17.065Z
Learnt from: CR
Repo: RocketChat/Rocket.Chat PR: 0
File: .cursor/rules/playwright.mdc:0-0
Timestamp: 2025-11-24T17:08:17.065Z
Learning: Applies to apps/meteor/tests/e2e/**/*.spec.ts : Ensure clean state for each test execution in Playwright tests
Applied to files:
packages/memo/src/memoize.spec.ts
📚 Learning: 2025-12-10T21:00:43.645Z
Learnt from: KevLehman
Repo: RocketChat/Rocket.Chat PR: 37091
File: ee/packages/abac/jest.config.ts:4-7
Timestamp: 2025-12-10T21:00:43.645Z
Learning: Adopt the monorepo-wide Jest testMatch pattern: <rootDir>/src/**/*.spec.{ts,js,mjs} (represented here as '**/src/**/*.spec.{ts,js,mjs}') to ensure spec files under any package's src directory are picked up consistently across all packages in the Rocket.Chat monorepo. Apply this pattern in jest.config.ts for all relevant packages to maintain uniform test discovery.
Applied to files:
packages/memo/src/memoize.spec.ts
📚 Learning: 2026-02-24T19:22:48.358Z
Learnt from: juliajforesti
Repo: RocketChat/Rocket.Chat PR: 38493
File: apps/meteor/tests/e2e/omnichannel/omnichannel-send-pdf-transcript.spec.ts:66-67
Timestamp: 2026-02-24T19:22:48.358Z
Learning: In Playwright end-to-end tests (e.g., under apps/meteor/tests/e2e/...), prefer locating elements by translated text (getByText) and ARIA roles (getByRole) over data-qa attributes. If translation values change, update the corresponding test locators accordingly. Never use data-qa locators. This guideline applies to all Playwright e2e test specs in the repository and helps keep tests robust to UI text changes and accessible semantics.
Applied to files:
packages/memo/src/memoize.spec.ts
📚 Learning: 2026-03-06T18:10:15.268Z
Learnt from: tassoevan
Repo: RocketChat/Rocket.Chat PR: 39397
File: packages/gazzodown/src/code/CodeBlock.spec.tsx:47-68
Timestamp: 2026-03-06T18:10:15.268Z
Learning: In tests (especially those using testing-library/dom/jsdom) for Rocket.Chat components, the HTML <code> element has an implicit ARIA role of 'code'. Therefore, screen.getByRole('code') or screen.findByRole('code') will locate <code> elements even without a role attribute. Do not flag findByRole('code') as invalid in reviews; prefer using the implicit role instead of adding role="code" unless necessary for accessibility.
Applied to files:
packages/memo/src/memoize.spec.ts
🔇 Additional comments (8)
packages/memo/src/index.ts (1)
1-1: LGTM!packages/memo/package.json (1)
1-51: LGTM!packages/memo/tsconfig.json (1)
1-4: LGTM!packages/memo/tsconfig.cjs.json (1)
1-12: LGTM!packages/memo/tsconfig.esm.json (1)
1-12: LGTM!packages/memo/jest.config.ts (1)
1-6: LGTM!apps/meteor/package.json (1)
130-130: LGTM!fuselage.sh (1)
112-124: LGTM!
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2 issues found across 11 files
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="packages/memo/package.json">
<violation number="1" location="packages/memo/package.json:8">
P3: The migrated package metadata still points at the Fuselage repo, but @rocket.chat/memo now lives in the Rocket.Chat monorepo. The repository/homepage/bugs fields reference github.com/RocketChat/fuselage while the root package.json points to github.com/RocketChat/Rocket.Chat. Update these fields to the new repository so published metadata and npm links are correct after the migration.</violation>
<violation number="2" location="packages/memo/package.json:31">
P2: The build script calls `run .:build:esm && run .:build:cjs`, but no `run` command is defined anywhere in this repo: there is no `run` bin dependency in yarn.lock, @rocket.chat/tools exposes no bin, and every other workspace package builds via `rm -rf dist && tsc` or `run-s` from npm-run-all. `run` is not a standard shell command, so this build likely fails with "run: command not found". Use `run-s` (consistent with packages/ui-kit and packages/peggy-loader) or inline the two tsc invocations so the turbo/CI build works.</violation>
</file>
Reply with feedback, questions, or to request a fix.
Re-trigger cubic
Point `repository` and `bugs` at Rocket.Chat instead of Fuselage, and drop the stale `homepage` that referenced the Fuselage README. Collapse the `.:build:esm`/`.:build:cjs`/`clean` scripts into a single `rm -rf dist && tsc -p ... && tsc -p ...`, matching how every other workspace package builds. Add the usual `volta.extends` pointer. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Proposed changes (including videos or screenshots)
This code was migrated from the Fuselage repository, where
@rocket.chat/memolived until now. The package is a tiny memoization helper — amemoize(fn, { maxAge })wrapper backed by aMap, plus aclear(fn)to drop a memoized function's cache. Two source files, ~60 lines total.Fuselage is a design system repository; a generic memoization utility has nothing to do with a design system, and keeping it there meant every change required a release cycle across two repos before it could reach the product. This follows the same move made for
@rocket.chat/mp3-encoderin #41745.Worth noting who actually consumes this: nothing in the product imports
@rocket.chat/memodirectly. It is a transitive dependency of the published Fuselage packages —@rocket.chat/fuselage,@rocket.chat/css-in-jsand@rocket.chat/css-supportsall declare^0.31.25. The workspace package keeps version0.31.25, so that range now resolves to this local copy for all of them, and the singleyarn.lockentry collapsesnpm:^0.31.25andworkspace:~onto one resolution.apps/meteormoves from~0.31.25toworkspace:~.@rocket.chat/memois also dropped from thenext-all/latest-allbump list infuselage.sh, since it is no longer released from the Fuselage repo.The package keeps its name, its
0.31.25version and itspublishConfig.access: public, so nothing changes for external consumers.No changeset: this does not change behavior for end users.
A build fix on top of the migration
The migrated build configuration was broken in two ways, both fixed in
fix(memo): emit real ESM and type declarations:tsconfig.esm.jsononly overrodeoutDir, so the ESM build inheritedmodule: commonjsfrom@rocket.chat/tsconfig/base.jsonanddist/esm/index.jscame out byte-identical to the CJS build — themoduleentry point was serving CommonJS.declaration, sodist/esm/index.d.ts— the package'stypesentry point — did not exist at all.Since the published Fuselage packages above resolve onto this workspace copy, shipping it as-is would have handed the whole Fuselage stack an untyped
memowith a fake ESM build. The fix setsmodule: esnextfor the ESM build and enablesdeclaration,declarationMapandsourceMapfor both, matching what the published0.31.25tarball actually shipped.Output was verified against that tarball (
npm pack @rocket.chat/memo@0.31.25):dist/{esm,cjs}/index.js— byte-identical.dist/{esm,cjs}/memoize.js— identical ignoring whitespace; the only differences are line wrapping from this repo's Prettier width. Samees5target as the published build.dist/{esm,cjs}/*.d.ts— one intentional, additive difference:index.d.tsnow re-exportsMemoizableFunction,MemoizedFunctionandOptions, which the published build kept internal.Optionsis emitted as a type alias rather than aninterface; the shape is unchanged.Metadata and tooling cleanup
chore(memo): update package metadata and simplify build scriptfinishes the move:repositoryandbugsnow point at Rocket.Chat rather than Fuselage, and the stalehomepagepointing at the Fuselage README is gone..:build:esm/.:build:cjs/cleanscript trio is collapsed into a singlebuild:rm -rf dist && tsc -p tsconfig.cjs.json && tsc -p tsconfig.esm.json. The original inherited Fuselage'srun .:build:esm && run .:build:cjs; that does work here (Yarn 4 puts arunshim onPATHduring script execution, sorun xisyarn run x), butpackages/memowas the only package in the repo written that way, and the inlined form matches every other workspace package.cleanis not referenced byturbo.json, so dropping it is safe.volta.extendspointer to the rootpackage.json.Issue(s)
ARCH-2357
Steps to test or reproduce
Behavior should be identical to
develop— the point of the migration is that nothing changes for the user.yarn installand confirmnode_modules/@rocket.chat/memois a symlink intopackages/memorather than an unpacked tarball.yarn workspace @rocket.chat/memo build, then check thatdist/esm/index.jsstarts withexport { memoize, clear } from './memoize';and thatdist/esm/index.d.tsexists.yarn workspace @rocket.chat/memo test— 1 suite, 6 tests, 100% statement/branch/function/line coverage ofmemoize.ts.yarn workspace @rocket.chat/memo typecheckand... lint— both clean.css-in-js,css-supportsandfuselageall callmemoizewhen resolving styles, so a broken build here would surface as missing or unstyled UI.Further comments
The
distoutput is not committed; it is produced by the package'sbuildscript.The published
0.31.25tarball also shipped compiledmemoize.spec.js/.d.tsfiles. Those are excluded here viaexcludein both build tsconfigs, so the published artifact from this repo would be slightly smaller. That is deliberate and matches how other packages in this monorepo are built.The
maxAgeoption is implemented with asetTimeoutper cached key, and the timer is reset on every cache hit — so a key that keeps being read never expires. That is the behavior of the published package and it is preserved verbatim here; changing it belongs in a separate PR, not in a migration.The corresponding package in Fuselage should be deprecated once this lands.
Summary by CodeRabbit
New Features
Tests
Chores