Option Type for JavaScript

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library 0.2.4 ·javascript abandoned
verified May 27, 2026

This package provides a robust implementation of the option (or maybe) type for JavaScript, designed to manage optional values and mitigate the pervasive issues of `null` and `undefined`. It offers a functional approach to handling the presence or absence of a value through `some(value)` and `none` constructs, similar to types found in languages like Rust or Scala. The current stable version is `0.2.4`, which was published approximately nine years ago, indicating that the package is no longer actively maintained. Key differentiators include its rich API for value manipulation, such as `map`, `flatMap`, `filter`, `orElse`, and `valueOrElse`, which promote safer and more expressive code compared to traditional null checks. Its `fromNullable` function also provides a convenient way to convert potentially nullish values into `option` types.

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