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Checks if the given array has the search item (Type: string | number | boolean | object | array | null | undefined) based on the given options.
this package will delete null or empty objects from an object
Rustlike option- and result-types for better null- and error-handling.
Check if the required properties are set, the easy way!
A library for optimizing error or undefined handling in JavaScript and TypeScript using Rust-like Result and Option types.
Utilities that pair well with the lovely nullish coalescing (??) operator
use hasNil to traverse chained object properties and check for null or undefined values
Utilities and types to help with simple Boolean checks
Monadic library to help with Typescripts --strictNullChecks
TypeScript maybe monad for reaching child fields inside complicated objects.
Safe chaining of object properties and functions using ES2015 Proxy.
Monadic library to help with Typescripts --strictNullChecks
magical convenience for checking if any datatype has a value, key, or data in the datatype, or the key. Handles null, undefined, NaN, and every other edge case. Where lodash is too afraid to go, ithas is to the rescue!
Returns the datatype of the arg.
A meteor framework item
Assert that the passed arguments are defined.
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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Safe property reference chaining without errors
2 functions that check if argument is undefined or null
Checks if the given value is null.