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296 packages found
Maybe is a type with tow variantes Some and None, can have nothing (None) or some value (Some). The Maybe variable makes it possible to have a something depending on the particular value.
Utility for disallowing/preventing accessing undefined properties on Javscript objects.
Utilities to determine if string is any of the following null, empty, undefined, NaN, or whitespace.
A library that replaces `null` type to `undefined` type.
A few handy javascript utilities for testing variables
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!
Maybe Monad for javascript
JavaScript Isser library.
A collection of monads (Result, Option) for TypeScript, inspired by [the Rust programming language](https://doc.rust-lang.org/std/result/).
returns a copy of an array or object with null/undefined members removed
A library to have a generic typescript definition for object presence.
Types for handling null-prototype objects in Typescript
/dev/null stream
A module for creating a NullObject that only has index and length properties.
Library to pack/unpack binary data
- binary
- pack
- unpack
- decode
- encode
- endian
- endianness
- big endian
- little endian
- unsigned
- IEEE 754
- 754
- array
- char
- View more
Ensure a path doesn't contain null bytes
Checks if the given value is null.
Returns duplicates-removed array -- has options for case-sensitivity and strict-typing.
Rustlike option- and result-types for better null- and error-handling.