Predicate Packages

Test whether at least one iterated value passes a test implemented by a predicate function.

Test whether every iterated value passes a test implemented by a predicate function.

Test whether every iterated value fails a test implemented by a predicate function.

Test whether at least `n` iterated values pass a test implemented by a predicate function.

Create an iterator which returns unique values according to a predicate function.

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

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 all elements in an array pass a test implemented by a predicate function.

Test whether all elements in an array pass a test implemented by a predicate function, iterating from right to left.

Return a shallow copy of an array containing only those elements which pass a test implemented by a predicate function.

Test whether all elements in an array fail a test implemented by a predicate function.

Test whether all elements in an array fail a test implemented by a predicate function, iterating from right to left.

Return a shallow copy of an array containing only those elements which fail a test implemented by a predicate function.

Utilities for working with ordered sets

Utilities for working with sorted sets

A tiny TypeScript type guard (predicate-function) for narrowing a DOM element by tag-name.

Basic DOM manipulation

Extension of react-jsonschema-form with conditional field support

A pragmatic functional programming library for JavaScript/TypeScript

Predicates that check if Hapi requests are errors, warnings, have certain tags, etc.