#  [](https://www.npmjs.com/package/@thi.ng/compose)  [](https://mastodon.thi.ng/@toxi) > [!NOTE] > This is one of 214 standalone projects, maintained as part > of the [@thi.ng/umbrella](https://codeberg.org/thi.ng/umbrella/) ecosystem > and anti-framework. > > 🚀 Please help me to work full-time on these projects by [sponsoring > me](https://codeberg.org/thi.ng/umbrella/src/branch/develop/CONTRIBUTING.md#donations). > Thank you! ❤️ - [About](#about) - [Composition helpers](#composition-helpers) - [Async functions](#async-functions) - [Status](#status) - [Installation](#installation) - [Dependencies](#dependencies) - [Usage examples](#usage-examples) - [API](#api) - [Authors](#authors) - [License](#license) ## About Optimized functional composition helpers. ## Composition helpers - [comp()](https://docs.thi.ng/umbrella/compose/functions/comp.html) - [compLeft()](https://docs.thi.ng/umbrella/compose/functions/compLeft.html) - [complement()](https://docs.thi.ng/umbrella/compose/functions/complement.html) - [constantly()](https://docs.thi.ng/umbrella/compose/functions/constantly.html) - [juxt()](https://docs.thi.ng/umbrella/compose/functions/juxt.html) - [partial()](https://docs.thi.ng/umbrella/compose/functions/partial.html) - [threadFirst()](https://docs.thi.ng/umbrella/compose/functions/threadFirst.html) - [threadLast()](https://docs.thi.ng/umbrella/compose/functions/threadLast.html) - [trampoline()](https://docs.thi.ng/umbrella/compose/functions/trampoline.html) ### Async functions - [compAsync()](https://docs.thi.ng/umbrella/compose/functions/compAsync.html) - [delayed()](https://docs.thi.ng/umbrella/compose/functions/delayed.html) - [juxtAsync()](https://docs.thi.ng/umbrella/compose/functions/juxtAsync.html) - [promisify()](https://docs.thi.ng/umbrella/compose/functions/promisify.html) - [threadFirstAsync()](https://docs.thi.ng/umbrella/compose/functions/threadFirstAsync.html) - [threadLastAsync()](https://docs.thi.ng/umbrella/compose/functions/threadLastAsync.html) - [trampolineAsync()](https://docs.thi.ng/umbrella/compose/functions/trampolineAsync.html) ## Status **STABLE** - used in production [Search or submit any issues for this package](https://codeberg.org/thi.ng/umbrella/issues?q=%5Bcompose%5D) ## Installation ```bash yarn add @thi.ng/compose ``` ESM import: ```ts import * as comp from "@thi.ng/compose"; ``` Browser ESM import: ```html ``` [JSDelivr documentation](https://www.jsdelivr.com/) For Node.js REPL: ```js const comp = await import("@thi.ng/compose"); ``` Package sizes (brotli'd, pre-treeshake): ESM: 813 bytes ## Dependencies - [@thi.ng/api](https://codeberg.org/thi.ng/umbrella/src/branch/develop/packages/api) - [@thi.ng/errors](https://codeberg.org/thi.ng/umbrella/src/branch/develop/packages/errors) Note: @thi.ng/api is in _most_ cases a type-only import (not used at runtime) ## Usage examples Two projects in this repo's [/examples](https://codeberg.org/thi.ng/umbrella/src/branch/develop/examples) directory are using this package: | Screenshot | Description | Live demo | Source | |:--------------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------|:---------------------------------------------------------|:----------------------------------------------------------------------------------------------| | | Animated, iterative polygon subdivisions & visualization | [Demo](https://demo.thi.ng/umbrella/poly-subdiv/) | [Source](https://codeberg.org/thi.ng/umbrella/src/branch/develop/examples/poly-subdiv) | | | Minimal rdom-canvas animation | [Demo](https://demo.thi.ng/umbrella/rdom-canvas-basics/) | [Source](https://codeberg.org/thi.ng/umbrella/src/branch/develop/examples/rdom-canvas-basics) | ## API [Generated API docs](https://docs.thi.ng/umbrella/compose/) ## Authors - [Karsten Schmidt](https://thi.ng) If this project contributes to an academic publication, please cite it as: ```bibtex @misc{thing-compose, title = "@thi.ng/compose", author = "Karsten Schmidt", note = "https://thi.ng/compose", year = 2016 } ``` ## License © 2016 - 2026 Karsten Schmidt // Apache License 2.0