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    @sekwiatkowski/js-fp
    TypeScript icon, indicating that this package has built-in type declarations

    0.18.2 • Public • Published

    JS/FP

    A pragmatic functional programming library for JavaScript/TypeScript

    Computation with monad(-like) objects

    Computation with one or two values

    Box: computation with one value

    Pair: computation with two values

    Computation with n values

    List: computation with zero, one or more values

    NonEmptyList: computation with one or more values

    Computation with error handling

    Option: computation with a value that may be present or absent

    Result: synchronous computation that may succeed or fail, short-circuits when a failure occurs

    Validated: like Result, but accumulates errors instead of short-circuiting

    Computation with a value and a context

    State: stateful computation

    Writer: computation with additional data (used for logging)

    Writers

    StringWriter: computation with log entries concatenated to a string

    ListWriter: computation with log entries concatenated to a List instance

    Asynchronous computation

    Future: asynchronous computation that may succeed or fail (a monadic alternative to Promises)

    High-level computation

    Program: interpretation of program descriptions

    Functions

    Action: wrapper around a function with no parameters that enables composition

    Arrow: wrapper around a function with one or more parameters that enables composition and adaptation of the input

    Combination

    Combination with semigroups

    Semigroup: a type that supports an associative binary operation

    objectCombination: a function to create combination schemes for objects based on semigroups

    Combination with monoids

    Monoid: a semigroup with an identity element

    Boolean

    All: combines two booleans using logical AND

    Any: combines two booleans using logical OR

    Number

    Min: combines two numbers, resulting in the smallest of the two

    Max: combines two numbers, resulting in the largest of the two

    Sum: combines two numbers, resulting in the sum of the two

    Product: combines two numbers, resulting in the product of the two

    Date

    Earliest: combines two dates, resulting in the earlier of the two

    Latest: combines two dates, resulting in the later of the two

    String

    StringConcatenation: combines two string using concatenation

    Array

    ArrayConcatenation: combines two arrays using concatenation

    List

    ListConcatenation: combines two lists using concatenation

    Testing

    Equivalence

    Equivalence: testing of equivalence between two values of the same type

    objectEquivalence: a function to create equivalence schemes for objects based on member equivalences

    Equalities for basic types: equalities for string, number, boolean and Date values and arrays of such values

    Order

    Order: decision on the order of two values

    Ordering: a type alias for the three possible outcomes (-1, 0 and 1)

    Predicate

    Predicate: wrapper around predicate functions

    Install

    npm i @sekwiatkowski/js-fp

    DownloadsWeekly Downloads

    1

    Version

    0.18.2

    License

    MIT

    Unpacked Size

    222 kB

    Total Files

    109

    Last publish

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