Jake
Jake is a free JavaScript build tool for NodeJS.
What Jake is
Jake is a free JavaScript build tool for NodeJS. Developers define work in executable JavaScript Jakefiles, connect tasks through prerequisites, and organize tasks with namespaces. Prerequisites can run before dependent tasks, while asynchronous prerequisites may run concurrently under a concurrency option. Jake can create file tasks from rules when a prerequisite names a file without its own task. Such tasks generate outputs and run when the output is missing or older than a prerequisite. Jake waits for asynchronous actions and returned Promises before completing a task. It can be installed globally with npm, installed locally and invoked with npx, or installed through Yarn. The tool can also be embedded as a module. Utility tasks support packaging projects and publishing packages to npm. Jake automatically loads JavaScript files from a project’s jakelib directory, with a CLI option to change that directory. Exported-function tasks and the series method are documented as experimental APIs. The npm package requires Node.js version 10 or later and uses the Apache License, Version 2.0.
Good
- Tasks are defined in executable JavaScript
- Supports prerequisite dependencies
- Can run asynchronous prerequisites concurrently
- Provides file-task rules
- Can be embedded as a module
Watch out
- Some documented APIs are experimental
- Requires Node.js 10 or later
- Primarily a command-line tool
Who it suits
Jake suits NodeJS developers who want JavaScript-defined build tasks, dependency ordering, file rules, and asynchronous actions. It also fits projects embedding build behavior as a module.
Verdict
Jake offers task orchestration, file-aware builds, and modular use in NodeJS projects. Treat its experimental APIs cautiously when designing long-term build scripts.
The facts
Each one read from Jake's own pages, with the date it was checked.
What it does
- Async actions
- Jake waits for async task actions or returned Promises to resolve before marking the task complete.checked 4 Oct 2026
- Async tasks
- Jake waits for asynchronous task actions and promises to resolve before marking a task complete.checked 9 Oct 2026
- CLI and embedding
- Jake is primarily a command-line tool, and it can also be embedded in programs.checked 9 Oct 2026
- CLI installation
- Jake can be installed globally with npm or run locally with npx.checked 4 Oct 2026
- Concurrent tasks
- Jake can run asynchronous prerequisites concurrently, with a configurable limit on simultaneous tasks.checked 9 Oct 2026
- Experimental APIs
- The docs describe exported-function tasks and the series method as experimental APIs.checked 4 Oct 2026
- File rules
- Jake can create file tasks from rules when a filename is used as a prerequisite and no file task is defined for it.checked 4 Oct 2026
- File tasks
- File tasks can create files from prerequisites and run their action when the output is missing or older than a prerequisite.checked 4 Oct 2026
- File tasks and rules
- Jake can create file tasks from rules when a file is named as a prerequisite and no file task is defined for it.checked 9 Oct 2026
- Install options
- The documentation describes global or local npm installation, installation with Yarn, and running a local installation via npx.checked 9 Oct 2026
- Integrations
- The official documentation describes installing Jake through npm or Yarn and invoking it with npx; it does not list other product integrations.checked 9 Oct 2026
- Jakefiles
- Tasks are defined in Jakefiles, which are executable JavaScript files.checked 9 Oct 2026
- License
- The project is licensed under the Apache License, Version 2.0.checked 9 Oct 2026
- Modular tasks
- Jake automatically loads JavaScript files from a project’s jakelib directory after loading its main Jakefile; the directory can be overridden with a CLI option.checked 9 Oct 2026
- Namespaces
- Tasks can be grouped in namespaces to organize them and avoid name conflicts.checked 9 Oct 2026
- Node.js requirement
- The npm package specifies Node.js version 10 or later as its engine requirement.checked 9 Oct 2026
- Programmatic use
- Jake can be embedded as a module in larger programs.checked 4 Oct 2026
- Purpose
- Jake is a JavaScript build tool for Node.js with capabilities similar to GNU Make, CMake, or Rake.checked 9 Oct 2026
- Security and support
- The official site pages reviewed provide no security certification or support commitment.checked 9 Oct 2026
- Task dependencies
- Tasks can have prerequisite tasks that run before them.checked 4 Oct 2026
- Task prerequisites
- Tasks can depend on prerequisite tasks, and Jake tracks prerequisites that have already run to avoid running them twice.checked 9 Oct 2026
- Utilities
- Jake includes utility tasks for packaging projects and publishing packages to npm.checked 4 Oct 2026
