feat(cli): expose tsdown types and entry

[Brooooooklyn]

Note

Expose lib API and tsdown types via new exports; update build to bundle tsdown entries with generated d.ts and refine import rewriting/external handling.

• CLI:
  • Add exports.{ "./lib": { import: "./dist/lib.js", types: "./dist/lib.d.ts" } } in packages/cli/package.json.
  • Extend UserConfig to accept lib options and add src/lib.ts re-exporting core lib APIs.
• Core:
  • RewriteImportsPlugin: switch to resolveId with { order: 'pre', handler }.
  • Build system (build.ts):
    • Adjust externals filtering (include yaml and vite/ patterns) and place RewriteImportsPlugin before transforms.
    • Bundle tsdown with multiple inputs (run, index) and generate type declarations via rolldown-plugin-dts for index-types.
  • package.json: add exports["./lib"] pointing to dist/tsdown/index.mjs with types.
• Dependencies:
  • Add rolldown-plugin-dts, hookable, and pkg-types; lockfile updates accordingly.

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[Brooooooklyn]

• feat(cli): expose tsdown types and entry #358 👈 (View in Graphite)
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[Copilot]

Pull request overview

This PR exposes tsdown types and entry points to enable programmatic usage of tsdown build functionality. The main purpose is to make tsdown's build APIs (defineConfig, build, buildSingle, and globalLogger) accessible through both the core and CLI packages.

Key changes:

• Added new "./lib" export paths in both core and CLI packages to expose tsdown functionality
• Configured build process to bundle tsdown source code and generate proper type definitions
• Updated the RewriteImportsPlugin to use proper hook ordering with order: 'pre'

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
pnpm-lock.yaml	Added new dependencies (hookable@6.0.1, pkg-types@2.3.0, exsolve@1.0.8, confbox@0.2.2, rolldown-plugin-dts@0.18.3) to support tsdown bundling and type generation
packages/core/package.json	Added "./lib" export pointing to bundled tsdown, added new devDependencies (hookable, pkg-types, rolldown-plugin-dts)
packages/core/build.ts	Extended bundleTsdown function to build both the runtime (index.mjs) and type definitions (index-types.d.ts), moved RewriteImportsPlugin earlier in plugin array, added yaml to externals list
packages/core/build-support/rewrite-imports.ts	Restructured resolveId hook to use object syntax with explicit 'pre' order for proper plugin ordering
packages/cli/src/lib.ts	New file that re-exports tsdown functionality from core/lib
packages/cli/src/index.ts	Added type import for defineLibConfig and augmented UserConfig with optional lib configuration
packages/cli/package.json	Added "./lib" export to make tsdown APIs available from the CLI package

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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[Brooooooklyn]

Merge activity

• Dec 23, 2:11 AM UTC: A user started a stack merge that includes this pull request via Graphite.
• Dec 23, 2:11 AM UTC: @Brooooooklyn merged this pull request with Graphite.