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conectlensconectlens/lenserfight/.github/skills/link-workspace-packages/SKILL.md

link-workspace-packages

Skill18 starsChanged 6 months agoMITView on GitHub

Link workspace packages in monorepos (npm, yarn, pnpm, bun). USE WHEN: (1) you just created or generated new packages and need to wire up their dependencies, (2) user imports from a sibling package and needs to add it as a dependency, (3) you get resolution errors for workspace packages (@org/*) like "cannot find module", "failed to resolve import", "TS2307", or "cannot resolve". DO NOT patch around with tsconfig paths or manual package.json edits - use the package manager''s workspace commands to fix actual linking.

  • Installs packages

15 other projects use a version of this, 1 of them edited.

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Most recently taken up by

The file

We split this skill into the rules it gives an agent

7 rules. About 0 are common, 3 are distinctive, and 4 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈3

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 4

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Add dependencies between packages in a monorepo.

    line 8
  2. Very specific:

    Check whether there's a packageManager field in the root-level package.json.

    line 12
  3. Distinctive:

    Add dependency using package manager's workspace syntax

    line 25
  4. Very specific:

    Verify symlinks created in consumer's node_modules/

    line 26
  5. Very specific:

    Check if dependency is declared in consumer's package.json

    line 116
  6. Distinctive:

    If not, add it using appropriate command above

    line 117
  7. Very specific:

    Run install (pnpm install, npm install, etc.)

    line 118

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Link Workspace Packages

Add dependencies between packages in a monorepo. All package managers support workspaces but with different syntax.

Detect Package Manager

Check whether there's a packageManager field in the root-level package.json.

Alternatively check lockfile in repo root:

  • pnpm-lock.yaml → pnpm
  • yarn.lock → yarn
  • bun.lock / bun.lockb → bun
  • package-lock.json → npm

Workflow

  1. Identify consumer package (the one importing)
  2. Identify provider package(s) (being imported)
  3. Add dependency using package manager's workspace syntax
  4. Verify symlinks created in consumer's node_modules/

pnpm

Uses workspace: protocol - symlinks only created when explicitly declared.

# From consumer directory
pnpm add @org/ui --workspace

# Or with --filter from anywhere
pnpm add @org/ui --filter @org/app --workspace

Result in package.json:

{ "dependencies": { "@org/ui": "workspace:*" } }

yarn (v2+/berry)

Also uses workspace: protocol.

yarn workspace @org/app add @org/ui

Result in package.json:

{ "dependencies": { "@org/ui": "workspace:^" } }

npm

No workspace: protocol. npm auto-symlinks workspace packages.

npm install @org/ui --workspace @org/app

Result in package.json:

{ "dependencies": { "@org/ui": "*" } }

npm resolves to local workspace automatically during install.

bun

Supports workspace: protocol (pnpm-compatible).

cd packages/app && bun add @org/ui

Result in package.json:

{ "dependencies": { "@org/ui": "workspace:*" } }

Examples

Example 1: pnpm - link ui lib to app

pnpm add @org/ui --filter @org/app --workspace

Example 2: npm - link multiple packages

npm install @org/data-access @org/ui --workspace @org/dashboard

Example 3: Debug "Cannot find module"

  1. Check if dependency is declared in consumer's package.json
  2. If not, add it using appropriate command above
  3. Run install (pnpm install, npm install, etc.)

Notes

  • Symlinks appear in <consumer>/node_modules/@org/<package>
  • Hoisting differs by manager:
    • npm/bun: hoist shared deps to root node_modules
    • pnpm: no hoisting (strict isolation, prevents phantom deps)
    • yarn berry: uses Plug'n'Play by default (no node_modules)
  • Root package.json should have "private": true to prevent accidental publish

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