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231 packages found
Helps you deny the existence of specified truthy values (e.g. 'someString', aParticularObject)
A palindrome is a word, phrase, number, or other sequence of symbols or elements, whose meaning may be interpreted the same way in either forward or reverse direction.
Splits an array into two parts if given predicate satisfied
Returns a predicate functions from different kind of values
provides utility methods for traversing a JSON object and performing checks or returning values from leaf nodes
TypeScript predicates and assertions library
An npm library for checking deep types via type predicates.
A pluggable library for reporting on progress.
Utilities for working with ordered sets
Quickly identify standard JavaScript types
Helps you confirm the existence of specified falsy values (e.g. 0)
Remove duplicates based on a predicate function
Test if two triangles in the plane intersect
Extra widgets for Mozilla's react-jsonschema-form
Test whether at least one element in an array passes 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 pass a test implemented by a predicate function.
Return a shallow copy of an array containing only those elements which fail 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, iterating from right to left.