undercut v0.4.0

✂ undercut ✂

JavaScript data processing pipelines and utilities. Use native Iterators/Generators/Observers like it's 2015 already.

• Based on existing JS protocols and language features
• Balanced API: not too imperative, not too functional
• Easy operation extensibility and composability
• Pure ES Modules with Node 12 loader compliance
• Raw code in packages (compile in place)
• Lazy evaluation when possible
• Tree shaking friendliness
• 90% test coverage
• SemVer

Installation

npm install --save undercut
# or
yarn add undercut

undercut provides raw Stage 4 ECMAScript code in the package, don't forget to include its node_modules directories into Babel config or another compiler of your choice.

Usage

Please check GitHub for more detailed readme.

import { pull, filter, map, skip, toArray } from "undercut";

const source = [1, 2, 3, 4, 5, 6, 7];

const result = pull(toArray, [
    skip(2),
    filter(x => x % 3 === 0),
    map(x => x * 2) // Will be executed only 3 times.
], source);

console.log(result); // [8, 10, 14]

License

Licensed under the MIT License, see LICENSE for more information.