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273 packages found
Clean objects recursively, deleting undefined & null or falsy properties
JSON stringify/parser managing 'undefined, Date and Buffer.
- json
- serialize
- serializer
- deserialize
- deserializer
- reviver
- replacer
- parse
- parser
- node
- stringify
- Buffer
- Date
- undefined
A safe way to access values in deeply nested objects.
A utility to determine if a value is undefined
Validate the type of object's properties.
Wrap the classnames package for better behavior for react16
exists and allExist functions. plain and simple
use hasNil to traverse chained object properties and check for null or undefined values
Check if a given object is null or empty
Tiny module for setting a default value when a parameter is undefind or null
Some standard guards and exceptions
A collection of useful utility functions with associated TypeScript types. All functions have been unit tested.
- TypeScript
- isNullOrUndefined
- isEmpty
- isEqual
- isNumber
- randomNumberBetweenRange
- random number between range
- asyncForEach
- async for each
- delay
- convertTimeUnits
- convert time units
- getToday
- setEndOfDay
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Return the first argument that is "!= undefined" (or "!= null", which is the same thing)
Check if the given value is of a specific type.
- check
- type
- typeof
- isArray
- isNumber
- isObject
- isNull
- isUndefined
- isNil
- isBoolean
- isString
- array
- number
- object
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Helps you deny the existence of specified truthy values (e.g. 'someString', aParticularObject)
I'm Mr. Meeseeks! Look at me! I can get any nested value for you from the most complex objects.
A utility function for extracting defined values from an object.
Checks if the given value is null or undefined
Test if a value is undefined.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- undefined
- void
- is
- isundefined
- isvoid
- type
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Safe and simple PHP isset() for JavaScript