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295 packages found
Better error handling for undefined values in nested objects.
- undefined
- null
- null-conditional
- null-conditional operator
- null conditional operator
- undy
- nested object
- nested object retrieval
- nested
Used to check if some of the arguments are null or undefined.
Test if a value is a JavaScript primitive.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- valid
- primitive
- string
- number
- null
- undefined
- View more
Magmadb, a user-friendly solution for storing and accessing data.
not nil map - Map a function over nullable value
Null Logger transport for winston, it basically swallow all your log so nothing is logged, good for test environment.
Helps you confirm the existence of specified falsy values (e.g. 0)
Convert any value into a boolean value.
When you need validate the variable data type
> A simple function to validate if nested object properties exist.
removes nulls and undefineds from an object
Optionals for JS
Safe chaining of object properties and functions using ES2015 Proxy.
Return the first argument that is `!= null`
Maybe monad for JavaScript.
Test if a value is undefined or null.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- undefined
- void
- null
- is
- isundefined
- isnull
- View more
Type safe variable checks
Pipe streams to /dev/null
Converts nullsy values to null (undefined, false, NaN), else returns the value