Predicate Packages

Composable functions to check values.

Utilities to compose predicates

TypeScript predicates library

TypeScript predicates library

Forked from ivarprudnikov/rjsf-conditionals for rjsf v.5

ZXTeam's NodeJS Reusable Library

A collection of common runtime predicates that TypeScript actually understands.

A collection of utility functions for asynchronous operations in TypeScript.

Utilities and types to help with simple Boolean checks

A library for expressing discrete mathematics in JavaScript

a collection of JS/TS modules for functional programming

Utilities to apply boolean logic (not, and, or) to functions and higher-order functions. Tiny, tested and composable

A functional state machine

Test whether at least one element in an array passes a test implemented by a predicate function, while iterating from right to left.

Test whether at least one element in an array passes a test implemented by a predicate function.

Test whether a collection contains at least `n` elements which pass a test implemented by a predicate function.

Test whether a collection contains at least `n` elements which pass a test implemented by a predicate function, iterating from right to left.

Test whether an object contains at least n properties (own and inherited) which pass a test implemented by a predicate function.

Test whether some `own` properties of a provided object satisfy a predicate function for at least `n` properties.

Return a partial object copy containing properties for which a predicate (function) returns a truthy value.