just-js/just
Just
Just is a JavaScript runtime environment designed for system-level programming and high-performance execution. It provides a direct interface to kernel functions and hardware resources, allowing developers to interact with operating system features that are typically inaccessible through standard high-level programming environments.
The runtime distinguishes itself by offering a streamlined execution model that minimizes startup latency and provides the ability to compile scripts into standalone, dependency-free binaries. By leveraging the V8 engine and a specialized module loading system, it enables the creation of self-contained executables that run independently on target systems.
Beyond its core execution capabilities, the project supports command-line task automation and the ability to run code snippets directly from standard input. It includes utilities for bootstrapping new projects and packaging source code into single executable files to simplify deployment workflows.
Features
- JavaScript Runtimes - A high-performance JavaScript runtime environment designed for system-level programming and standalone binary deployment.
- System-Level Engines - Acts as a system-level scripting engine with direct access to kernel functions and hardware.
- High-Performance - Optimized for high-performance server-side JavaScript execution in demanding network environments.
- Standalone Binary Compilation - Compiles source code into standalone executable binaries to eliminate external runtime dependencies.
- Command Line Task Runners - Facilitates command-line task automation by executing JavaScript snippets for system workflows.
- Single-Binary Distributions - Supports standalone binary distribution by bundling all dependencies into a single executable.
- Binary Bundlers - Provides tools to package JavaScript source code into independent, dependency-free executable files.
- libuv Abstractions - Uses a cross-platform library to manage asynchronous I/O operations and non-blocking system calls.
- Low-Level Systems Programming - Provides deep operating system integration for building performant system-level tools.
- System Calls - Enables direct invocation of kernel functions to interact with hardware and OS features.
- System Call Interfacing - Provides a direct interface for executing low-level operating system calls from within the JavaScript runtime.
- CLI Script Execution - Supports executing JavaScript code snippets directly from standard input for quick task automation.
- JavaScript Engines - Leverages a high-performance engine to execute JavaScript code via just-in-time compilation.
- Binary Bundling - Packages the runtime and application source into a single executable file for simplified deployment.
