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seac

v0.3.0

Published

19 days ago

single executable application compiler

0High
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0Low

seac: Single Executable Application Compiler

A simple command-line tool that bundles a Node.js program into a single executable binary that runs without a separate Node.js runtime. It is built on Node.js single executable applications (SEA).

[!NOTE] Node.js SEA remains experimental (Stability: 1.1). Treat generated executables as platform-specific release artifacts and test them on every target platform.

Installation

npm i -D seac

Usage

Windows:

seac hello.js hello.exe

Linux or macOS:

seac hello.js hello

Limitations

Requires Node.js v22 or higher.
Node.js v26+ uses Node's native --build-sea command. Node.js v22 and v24 use the compatible legacy setil/postject path.
seac emits a single CommonJS bundle. Although Node.js v26 SEA supports an ESM main entry, this CLI does not yet expose that mode.
Build on the target OS and architecture. SEA code cache and snapshots are not portable across platforms; seac leaves both disabled.
On macOS, seac ad-hoc signs executables built through the native Node.js v26+ path. Production distribution may require your own Developer ID signing and notarization.

Prior art

License

Apache-2.0

Technical notes

seac cannot be compiled to a single executable by itself because its dependency esbuild uses require.resolve, which cannot be bundled into a SEA entry point.