168 packages found

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Optional and Result monads implementations

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published 0.1.05 months ago
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A stateless implementation of the maybe monad

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published 2.2.3a year ago
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No runtime errors if non-function is 'called'.

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published 0.1.25 months ago
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Allows you to optionally include modules without surrounding everything with 'try/catch'

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published 0.1.43 years ago
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An implementation for the nullable design pattern in javascript

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published 1.1.6a year ago
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Optional implementation in Typescript

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published 1.0.58 months ago
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Build command line tools declaratively with a configuration object and a single function call. Based on Commander.js

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published 1.0.222 months ago
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A runtime assertion for preserving not-null and not-undefined invariants

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published 1.0.110 months ago
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A PostCSS plugin for conditional comments

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published 1.0.25 years ago
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Data structure for working with values that may not exist

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published 10.4.05 months ago
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Provide optional-chaining plugin on gatsby

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published 1.0.17 months ago
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plain implementation of Maybe (Optional, Nullable) monad

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published 2.0.04 years 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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Wrap and validate optional values

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published 1.0.0a year ago
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Support for Guava like optionals in Node.js.

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published 3.0.15 years ago
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Wrap optional values

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published 1.0.0a year ago
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_declarative-js_ is modern JavaScript library, that helps to: - tackle array transformation with built in JavaScript array api (e.g. `array.filter(toBe.unique())`), - provide a type-level solution for representing optional values instead of null referen

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published 3.8.149 months ago
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TS adapted Java Optional class with extra utility classes.

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published 1.0.12 months ago
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Add a rejection fallback handler to a Promise if no one handles it

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published 1.0.4a year ago
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Left-shift optional function arguments.

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published 1.1.06 years ago