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KudoJS is a small utility library with a collection of popular Algebraic Data Types and Helper functions to help you write code in a functional programming style in Javascript.

KudoJS Documentation

Installation

Install and save KudoJS as a dependency in your current project

$ npm install --save fp-kudojs

Import using CommonJS

const kudoJS = require("fp-kudojs")

Import using ES Modules

import kudoJS from "fp-kudojs"

Import single entities using CommonJS

const compose = require("fp-kudojs/function/compose");
const Maybe = require("fp-kudojs/adt/Maybe");

Import single entities using ES Modules

import compose from "fp-kudojs/function/compose";
import Maybe from "fp-kudojs/adt/Maybe";

Helper Functions

These are the functions under the kudoJS.* namespace

Algebraic Data Types (ADTs)

ADTs under the kudoJS.* namespace. All of the data types are compatible with the Fantasy Land Specifications

ADT	Constructors	Static Methods	Instance Methods
`kudoJS.Identity`	`Identity`, `of`		`equals`, `concat`,`ap`, `getValue`, `map`,`chain`, `toString`
`kudoJS.Pair`	`Pair`, `of`		`equals`, `concat`, `fst`, `snd`, `ap`, `getValue`, `map`, `bimap`, `chain`, `swap`, `toString`
`kudoJS.Maybe`	`of`, `Just`, `Nothing`, `zero`, `fromNullable`, `withDefault`	`catMaybes`, `isNothing`, `isJust`	`equals`, `ap`, `alt`, `map`, `chain`, `toString`, `getValue`, `isNothing`, `isJust`
`kudoJS.Either`	`of`, `Left`, `Right`, `fromNullable`, `withDefault`	`try`, `isLeft`, `isRight`	`equals`, `ap`, `getValue`, `map`, `bimap`, `chain`, `swap`, `toString`, `isLeft`, `isRight`
`kudoJS.Task`	`Task`, `of`, `rejected`		`fork`, `concat`, `ap`, `getValue`, `map`, `chain`, `toPromise`, `toString`
`kudoJS.Reader`	`Reader`, `of`, `ask`		`runWith`, `ap`, `getValue`, `map`, `chain`, `toString`
`kudoJS.State`	`State`, `of`, `get`, `put`		`runWith`, `execWith`, `evalWith`, `ap`, `getValue`, `map`, `chain`, `toString`