es-class

A future proof, backward compatible, JavaScript class utility.

v2.1.1 URL: https://unpkg.com/es-class@2.1.1/build/es-class.npm.js

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ES3 ES5 ES6 ES2015 ES7 KISS Class inheritance prototypal prototype simple lightweight mixin trait

mixto

A mixin superclass. Its subclasses have `.extend` and `.includeInto` methods to mix behavior into other objects and classes.

v1.0.0 URL: https://unpkg.com/mixto@1.0.0/lib/mixin.js

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troop

Full-featured, testable OOP

v0.9.0 URL: https://unpkg.com/troop@0.9.0/troop.js

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oop class classical inheritance trait traits testing mocks memoization surrogate surrogates

@itrocks/uses

Apply reusable mixins to your classes effortlessly with the @Uses decorator

v0.0.8 URL: https://unpkg.com/@itrocks/uses@0.0.8

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backend class compose composition inheritance it.rocks mixin multiple trait

rustable

A TypeScript library that brings Rust-inspired features to TypeScript, including traits, Option, Result, and more. Zero dependencies, type-safe implementation.

v0.4.7 URL: https://unpkg.com/rustable@0.4.7/lib/index.js

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typescript rust trait option result type-safe functional pattern-matching error-handling zero-dependencies