151 packages found

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Optionals for JS - wrapper for possibly undefined values, inspired by Java Optional API

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published 2.1.1a year ago
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TypeScript maybe monad for reaching child fields inside complicated objects.

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published 1.2.13 months ago
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Checks if variable has specific type. It can be used for primitives but its power lies in complex types like interfaces and in optional logic.

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published 1.15.32 years ago
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Functional Programming for EcmaScript(Javascript)

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published 1.0.582 years ago
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Wrap and validate optional values

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published 10.1.022 days ago
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A stateless implementation of the maybe monad

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published 2.2.34 months ago
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A browserify transform that allows optional dependencies in try..catch blocks

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published 1.0.13 years ago
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Optional implementation in Typescript

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published 1.0.52 months ago
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Tired of defining parameter for resolvers? This might be your friend.

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published 1.3.18 months ago
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Codemod to migrate from Lodash get and logical and expressions to optional chaining

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published 1.2.0a month ago
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An optional library enabling the usage of optionals written in TypeScript

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published 1.3.62 months ago
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Allows you declare optionalPeerDependencies that can be satisfied by the top level module but ignored if they are not.

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published 1.0.13 years ago
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Optional chaining with a recursive ES6 Proxy

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published 1.0.42 months ago
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Typed Option/Optional/Maybe for TypeScript and JavaScript, created to simplify code involving optional values (null, undefined, NaN).

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published 1.2.1a month ago
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An implementation for the nullable design pattern in javascript

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published 1.1.65 months ago
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Add a rejection fallback handler to a Promise if no one handles it

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published 1.0.48 months ago
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Determine if object or array path is valid.

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published 3.0.03 months ago
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A Typescript OOP implementation of monad

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published 0.2.03 months ago
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Elm-like decoders for when working with Flow types in JS

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published 1.18.12 months ago
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Nullable. Optional. The Maybe monad. Whatever you want to call it, it's for Javascript now.

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published 0.4.16 months ago