fix(path-equal): serve CJS type declarations to CJS consumers

[unional]

A CommonJS consumer resolving this package under node16/nodenext is told it is ESM:

TS1479: The current file is a CommonJS module whose imports will produce 'require' calls;
however, the referenced file is an ECMAScript module and cannot be imported with 'require'

The cause is the manifest, not the build

"exports": {
  "types": "./esm/index.d.ts",   ← ESM declarations, served to everyone
  "import": "./esm/index.js",
  "default": "./cjs/index.js"
}

One top-level types, and no require condition. A CJS consumer gets ./cjs/index.js for code but ./esm/index.d.ts for types — so TypeScript reads the package as ESM and refuses the require.

Nothing is wrong with the emitted output. cjs/package.json already declares {"type":"commonjs"} and cjs/index.d.ts already ships; the manifest simply never pointed at it. The two declaration files are byte-identical in content — what makes one CJS and the other ESM is the package.json beside each, which is precisely why the condition needs its own types rather than one shared entry.

This survived because moduleResolution: "node" ignores exports maps entirely. It only appears once a consumer moves to modern resolution.

The fix

"exports": {
  "require": { "types": "./cjs/index.d.ts", "default": "./cjs/index.js" },
  "import":  { "types": "./esm/index.d.ts", "default": "./esm/index.js" }
}

The top-level types also moves to ./cjs/index.d.ts so it agrees with main (./cjs/index.js) instead of contradicting it, for consumers on legacy resolution that never read exports.

Verification

Found by iso-path, which imports this package and could not adopt moduleResolution: node16 because of it. Against this manifest, iso-path builds clean — TS1479 gone. path-equal's own tests pass unchanged: 6 passed.

Patch changeset included. The sibling uni-path is ESM-only and makes no CJS claim, so it needs no equivalent change.

🤖 Generated with Claude Code

https://claude.ai/code/session_0163FWV18YYf6AVN3qAd4fYi

[changeset-bot]

🦋 Changeset detected

Latest commit: e2cb9c7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
path-equal	Patch

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