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option-t

A toolkit of Nullable/Option/Result type implementation in ECMAScript. Their APIs are inspired by Rust's `Option<T>` and `Result<T, E>`.

tetsuharu
published version 53.0.0, 3 months ago27 dependents licensed under $MIT
98,508

@softwareventures/nullable

Pure functional utilities for nullable types

djcsdy
published version 3.2.0, a year ago19 dependents licensed under $ISC
2,608

nochoices

Full featured implementation of options into typescript.

calvo.generico
published version 1.1.5, 2 months ago0 dependents licensed under $ISC
1,476

maybetyped

Well-typed functional Maybe monad

andnp
published version 1.6.0, 6 years ago0 dependents licensed under $MIT
714

nullable-ts

Nullable type and helper functions for typescript

michaelrbond
published version 1.3.1, 6 years ago0 dependents licensed under $MIT
873

as-option

Zero cost Option type for AssemblyScript

maxgraey
published version 0.0.2, 3 years ago0 dependents licensed under $MIT
405

castium

A lightweight and chainable utility for effortless data type conversation in JavaScript and Node.js

amindasoomi
published version 1.0.23, 2 months ago0 dependents licensed under $MIT
397

nanoption

Tiny (220 bytes), zero dependency wrapper for nullable values

igor.kamyshev
published version 1.0.1, 6 years ago2 dependents licensed under $MIT
186

is-non-nullable

Just function to predicate non nullable with type guard.

pnly
published version 1.0.2, 4 years ago0 dependents licensed under $MIT
172

class-validator-is-nullable

@IsNullable validator for class-validator

mentatxx
published version 0.8.9, 5 years ago0 dependents licensed under $MIT
142

ngx-nullable

This library provides a way to make properties nullable in Angular templates.

celtian
published version 0.2.0, 20 days ago0 dependents licensed under $MIT
91

ts-maybe-monad

TypeScript maybe monad for reaching child fields inside complicated objects.

vimbat
published version 1.2.2, 5 years ago0 dependents licensed under $MIT
53

@sounisi5011/ts-utils-is-property-accessible

Check if a value is property accessible

sounisi5011
published version 1.0.3, 3 years ago2 dependents licensed under $MIT
46

nnmap

not nil map - Map a function over nullable value

zhangchiqing
published version 1.0.0, 8 years ago0 dependents licensed under $MIT
45

maaybe

maybe use maaybe

tnfssc
published version 1.0.0, 6 months ago0 dependents licensed under $MIT
24

stateless-maybe-js

A stateless implementation of the maybe monad

emiliano.bovetti
published version 2.2.3, 6 years ago0 dependents licensed under $GPL-3.0
25

@stein197/ts-util

TypeScript utility types

stein197
published version 1.10.0, 3 years ago3 dependents licensed under $MIT
26

optional-jvts

´´´typescript import { Optional } from 'optional-ts';

njavilas
published version 1.0.0, a month ago0 dependents licensed under $MIT
22

custom-defaults

Lightweight, correct type inference, a good helper for covering presets.

youmenomi
published version 0.1.2, 4 years ago3 dependents licensed under $MIT
15

nullable

plain implementation of Maybe (Optional, Nullable) monad

jsdnxx
published version 2.0.0, 9 years ago1 dependents licensed under $ISC
15