colinhacks/zshy

Health v2 · maintenance only

Adoption not part of the score

1117 stars · 21 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

zshy is a bundler-free build tool for transpiling TypeScript libraries, powered by tsc. It reads entrypoints from package.json, auto-generates the exports map, and produces dual ESM/CJS builds without any bundler configuration.

Use cases

• build a typescript library without a bundler
• generate esm and cjs builds from one typescript source
• auto-generate package.json exports map
• publish a typescript package to npm
• replace tsup or unbuild with a tsc-based tool
• build a cli tool with bin support in typescript

When to choose

• you maintain a TypeScript library and want zero bundler config
• you need dual ESM/CJS output with correct exports maps
• you prefer tsc's transpilation semantics over esbuild/rollup
• you want entrypoints declared declaratively in package.json

When to avoid

• you need fast incremental builds or watch mode performance
• you need bundling, minification, or tree-shaking
• you're building an application rather than a library
• you need advanced transforms like CSS or asset pipelines

Facets

cli-tool · maturity active

build-tool compiler cli developer-tools web-development frontend backend cli cross-platform typescript tsc bundler-free esm cjs dual-package package-exports npm nodejs

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