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tsup

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tsup

Bundle your TypeScript library with no config, powered by esbuild

  • 8.3.5
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What is tsup?

Tsup is a zero-config TypeScript bundler that aims to provide a simple and efficient way to bundle TypeScript projects. It supports various output formats, minification, and other advanced features with minimal configuration.

What are tsup's main functionalities?

Basic Bundling

This command bundles the TypeScript file located at `src/index.ts` into CommonJS and ES Module formats. Tsup automatically handles the TypeScript compilation and output generation.

tsup src/index.ts --format cjs,esm

Minification

This command bundles and minifies the TypeScript file located at `src/index.ts`. Minification reduces the file size by removing unnecessary whitespace and comments, making the output more efficient for production use.

tsup src/index.ts --minify

Watch Mode

This command enables watch mode, which automatically rebundles the TypeScript file located at `src/index.ts` whenever changes are detected. This is useful for development environments where you want to see changes in real-time.

tsup src/index.ts --watch

Custom Entry Points

This command allows you to specify multiple entry points for bundling. In this example, both `src/index.ts` and `src/worker.ts` are bundled into ES Module format. This is useful for projects with multiple entry files.

tsup src/index.ts src/worker.ts --format esm

Environment Variables

This command allows you to define environment variables that can be used within your TypeScript code. In this example, `PROCESS_ENV` is set to `production`, which can be used for conditional logic in the code.

tsup src/index.ts --define.PROCESS_ENV=production

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Package last updated on 26 Oct 2024

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