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osteele/functional-javascript

Functional is a library for functional programming in JavaScript. It defines the standard higher-order functions such as map, reduce (aka foldl), and select (aka filter). It also defines functions such as curry, rcurry, and partial for partial function application; and compose, guard, and until for function-level programming.

★377STARS
⑂45FORKS
!1ISSUES
🏆#4,770GLOBAL RANK
🔥48DAYS TRENDING
🚀
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Star History

Continuous Observations
Interactive star growth chart for osteele/functional-javascript
CSV

Momentum

+10

STARS · LAST 30 DAYS

1

PER DAY

#335

MOST-STARRED JavaScript

Window7 days30 days90 days
Stars gained+7+10+90
Per day111
Forks gained+1+3+10

functional-javascript gained 10 stars in the last 30 days, about 1 a day, and now has 377. It is about 19 years old and has averaged roughly 20 stars a year. It ranks #335 among JavaScript repositories and #4,770 across all languages on GitHubRepo.

Trending Record

functional-javascript has maintained a continuous presence across global trending indexes, peaking at #100. Below is the 30-day activity profile:

💡 Overview

functional-javascript is an open-source project written in JavaScript: Functional is a library for functional programming in JavaScript. It defines the standard higher-order functions such as map, reduce (aka foldl), and select (aka filter). It also defines functions such as curry, rcurry, and partial for partial function application; and compose, guard, and until for function-level programming.

Engineered for speed, consistency, and developer ease, it solves common hurdles in functional-programming, javascript-library. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in JavaScript for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ npm install functional-javascript

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Node.js >= 18 or modern Evergreen browser

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

functional-javascript coordinates its core functionality through a modular JavaScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Production System Integration

Embed functional-javascript into JavaScript backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open MIT license.

🚀 Getting Started

1

Install functional-javascript using your package manager: `npm install functional-javascript`

2

Initialize your project workspace or configuration file for functional-javascript.

3

Import functional-javascript into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `functional-javascript --help` to verify successful setup.

👍 Strengths

Active community backing with 377 GitHub stars and verified adoption.
Permissive open-source distribution under the MIT license.
Built in JavaScript for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with JavaScript and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

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👥 Who Should Use This

Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

osteele/functional-javascript is currently ranked #4,770 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#4,764 tomquist/AstraMeter Python ★ 379 Compare ↗
#4,766 Ansuel/tch-nginx-gui Lua ★ 378 Compare ↗
#4,766 flow-php/etl PHP ★ 378 Compare ↗
#4,766 vakhov/fresh-proxy-list PHP ★ 378 Compare ↗
#4,766 gyaaniguy/personal-drive PHP ★ 378 Compare ↗
#4,770 osteele/functional-javascript This Project JavaScript ★ 377
#4,770 neerajsingh0101/admin_data Ruby ★ 377 Compare ↗
#4,770 getgrav/grav-plugin-admin PHP ★ 377 Compare ↗
#4,770 mytechnotalent/Go-Hacking Go ★ 377 Compare ↗
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Frequently Asked Questions

What does functional-javascript do? +

Functional is a library for functional programming in JavaScript. It defines the standard higher-order functions such as map, reduce (aka foldl), and select (aka filter). It also defines functions such as curry, rcurry, and partial for partial function application; and compose, guard, and until for function-level programming.

What language is functional-javascript written in? +

The primary language is JavaScript. Topics include: functional-programming, javascript-library.

Is functional-javascript actively maintained? +

Yes, the last recorded push was on Jan 30, 2017 with 1 open issues being tracked.

How many stars does functional-javascript have? +

functional-javascript has 377 stars and 45 forks on GitHub.

How does functional-javascript rank among GitHub repositories? +

With 377 stars, osteele/functional-javascript is ranked #4,770 globally across all repositories tracked on GitHubRepo and #335 among JavaScript projects.

What license is functional-javascript distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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