255 packages found
Try to parse a string as JSON and return undefined on failure
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gets the current type of the value passed in, and if the value is null, it returns 'null'
Absent checks existence of variable, properties or items in a collection.
remove null/undefined values from objects
It may be truthy, but is it...substantive?
Check if `this` is truthy.
Checks if the given value is null or undefined
Remove undefined variables from a GraphQL query
Monadic library to help with Typescripts --strictNullChecks
Implementation of Postgres SQL's coalesce function: return the first argument that is not null
Converts empty object,empty array, empty string,NaN,null or undefined into the string "N/A" else return the input as-is
A CLI that does nothing. Alternative to /dev/null and NUL.
> A simple function to validate if nested object properties exist.
PHP empty function in JS
Return the first argument that is "!= undefined" (or "!= null", which is the same thing)
Utilities to determine if string is any of the following null, empty, undefined, NaN, or whitespace.
If value is null or undefined, it sets a default value instead.