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273 packages found
A package for judging a string is null or empty or undefined
Check if `this` is truthy.
Simple utility function for checking isDefined for complex objects with long property paths
Disallow undefined property access in JavaScript
Boilerplate-free Enzyme testing
remove null/undefined values from objects
'cljs-merge' recursively merges two jsons into a unified one.
- json
- merge
- clojurescript
- clojure
- deep-merge
- deep
- replace
- compare
- null
- undefined
- combine
- object
- two objects
- javascript
Small library to dynamically create and evaluate expression with multiple parameters (even undefined)
Ignore keys which have undefined values to compare from a deep equal operation with chai expect
Ignore keys which have undefined values to compare from a deep equal operation with chai expect
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
- View more
A webpack loader which disallows importing nonexistent members from a module
Check for a valid Number value.
Transform an Object that was transformed to return only the original properties recursively picked if they are not undefined.
Simple set of functions to check variables. Includes check of undefined / defined / defined and not null / defined and not empty / is number / is function is object
- check
- tool
- undefined
- is defined
- isnotnull
- is not null
- is not empty
- is object
- is function
- is number
- check number
- check object
A stateless implementation of the maybe monad
Monadic library to help with Typescripts --strictNullChecks
JSON stringify/parser managing 'undefined, Date and Buffer.
- json
- serialize
- serializer
- deserialize
- deserializer
- reviver
- replacer
- parse
- parser
- node
- stringify
- Buffer
- Date
- undefined