vercel/ncc
Ncc
ncc is a Node.js build tool and project bundler that compiles a project and its dependencies into a single JavaScript file. It functions as a single-file JavaScript bundler and TypeScript compiler, converting type-annotated source files into standard JavaScript compatible with the Node.js runtime.
The tool focuses on serverless function optimization by reducing the number of files and dependencies in a deployment package to improve portability and cold start times. It automates the software release workflow by integrating the compilation and bundling process into programmatic scripts.
The project covers static dependency analysis, source map generation, and the externalization of binary modules to prevent corruption of native addons. It also includes a file watcher for automatic rebuilds and a programmatic compiler interface for custom script execution.
Features
- Project Bundling - Combines a project and all its dependencies into a single JavaScript file for simplified distribution.
- Node.js Ecosystem - Functions as a specialized tool within the Node.js ecosystem for compiling projects into single files.
- Build & Release Automation - Automates the compilation and bundling process through scripts to streamline the software release workflow.
- Node.js Build Tools - Provides a utility for automating the compilation, minification, and bundling of server-side JavaScript applications.
- Module Bundling - Utilizes a modified Webpack instance to resolve dependencies and merge multiple source files into one output.
- Static Dependency Bundlers - Traverses the module graph to statically resolve and embed all required dependencies into the final bundle.
- TypeScript Transpilers - Integrates a transpiler to convert TypeScript source code into standard JavaScript before bundling.
- JavaScript Module Bundlers - Combines multiple code modules and binary addons into one executable JavaScript file for simplified deployment.
- Source-to-JavaScript Transpilers - Converts TypeScript source files into optimized JavaScript compatible with the Node.js runtime.
- Node.js Project Bundlers - Compiles Node.js projects and dependencies into a single JavaScript file to simplify deployment.
- Source Map Generators - Generates source maps that link bundled code back to original source lines for improved debugging.
- Programmatic Build APIs - Provides a JavaScript API that allows the build process to be executed and customized via scripts.
- Binary Module Externalization - Implements logic to identify native C++ addons and keep them external to the bundle to prevent binary corruption.
- Serverless Runtime Optimizations - Optimizes serverless functions by reducing the number of files and dependencies to improve cold start times.
- Build Tools and Tooling - Compiles Node.js projects into a single file.
