254 packages found
Description
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Keywords
- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
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Publisher
Description
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
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Description
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
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Description
Common error classes and utility functions
Keywords
- error
- errors
- common errors
- exception
- exceptions
- validation
- standard
- argument
- null
- database
- data
- mysql
- sql
- db
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Description
Some standard guards and exceptions
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This little utility helps in finding null, undefined etc values from objects and arrays.
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Description
'cljs-merge' recursively merges two jsons into a unified one.
Keywords
- json
- merge
- clojurescript
- clojure
- deep-merge
- deep
- replace
- compare
- null
- undefined
- combine
- object
- two objects
- javascript
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Description
TypeScript maybe monad for reaching child fields inside complicated objects.
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Description
Simple function that return the first non null or undefined argument
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Description
Ensure a path doesn't contain null bytes
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Description
Test if a value is null.
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Description
Test if a value is a JavaScript primitive.
Keywords
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- valid
- primitive
- string
- number
- null
- undefined
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Description
Used to check if some of the arguments are null or undefined.
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Description
Safe and simple PHP isset() for JavaScript
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Description
When you need validate the variable data type
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Description
Type safe variable checks
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Description
Test if a value is undefined or null.
Keywords
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- undefined
- void
- null
- is
- isundefined
- isnull
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Description
Test if a value is an array-like object containing only null values.
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Description
Test if a value is an array-like object containing only JavaScript primitives.
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Description
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
Keywords
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
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