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ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
- View more
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
Coalesce for JavaScript. Returns the first value that is not undefined or null.
Checks if the given value is a window object.
GraphQL Semantic Output Conversion Kit - converts a cutting edge SDL file that supports semantic nullability into a more traditional SDL file legacy tools can support.
Ensure a path doesn't contain null bytes
A library to have a generic typescript definition for object presence.
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
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Checks if the given value is null or undefined
Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.
Simple function that return the first non null or undefined argument
3x as fast as `is-whitespace` and `whitespace-regex` thanks to `is-string-blank`. This package is a simple function that accepts an argument and returns `true` if it is a string AND it is not blank. Supports Node and Browser environments.
Return an empty module, 'nuff said
Prebuilt null Provider for Terraform CDK (cdktf)
Common error classes and utility functions
- error
- errors
- common errors
- exception
- exceptions
- validation
- standard
- argument
- null
- database
- data
- mysql
- sql
- db
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returns a copy of an array or object with null/undefined members removed
Test if a value is null.
Validation utilities
Ensures value is defined (i.e., neither undefined nor null).