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295 packages found
empty js function like empty() in php
Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.
Optional value handling library.
A small set of functions to check value against a specific type
- type
- check
- guard
- isNumber
- isArray
- isString
- checker
- isFinite
- undefined
- null
- primitive
- isFunction
- function
- isUndefined
Better handle empty value issues in javascript objects.
Implementation of Postgres SQL's coalesce function: return the first argument that is not null
Access and chain object properties and methods in a safe manner.
- es6
- proxy
- deep
- object
- tresspass
- properties
- property
- null
- undefined
- propagation
- chain
- existential
- operator
- optional
Basic sort algorithm that has similar behavior to Array.prototype.sort for null and undefined, but also support symbol.
- compare
- default
- array
- sort
- comparison
- comparer
- comparator
- type
- generic
- symbol
- number
- null
- undefined
- create-by-yarn-tool
Converts empty object,empty array, empty string,NaN,null or undefined into the string "N/A" else return the input as-is
Tools for testing against null and undefined values.
Library to scan inside passed value to convert null to undefined
Test if a value is an array-like object containing only JavaScript primitives.
Test if a value is an array-like object containing only null values.
If value is null or undefined, it sets a default value instead.
A TypeScript isomorphic adaptation of Java's Optional.
- optional
- java
- util
- java-optional
- java-util-optional
- optional-value
- nullish
- nullish-value
- undefined
- void 0
- null
A package which does nothing at all
Checks whether a given string is null or empty (I'm learning)
A runtime assertion for preserving not-null and not-undefined invariants
utility for creating dictionary objects
Ensure a path doesn't contain null bytes