Predicate Packages

Function argument validation for humans

Composable [type predicates](https://www.typescriptlang.org/docs/handbook/2/narrowing.html#using-type-predicates) for runtime type checking.

## License

Easy typeof validations with sophisticated TypeScript inference.

Pattern matching library

Extension of react-jsonschema-form with conditional field support

Predicate negation. Suitable for RxJS, Array.filter and others.

SDK for interacting with Predicate API

A simple TypeScript library providing type guards for the primitive types in JavaScript.

Extension of react-jsonschema-form with support for multi-nav forms

Engine to define condition objects and execute them

Predicates for JavaScript

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.