# @formatjs/ecma402-abstract

> A collection of implementation for ECMAScript abstract operations

Latest version **3.2.0** (published 2026-03-19) · MIT license · 0 weekly downloads

## Install

```sh
npm install @formatjs/ecma402-abstract
pnpm add @formatjs/ecma402-abstract
yarn add @formatjs/ecma402-abstract
bun add @formatjs/ecma402-abstract
```

## Health

**Score 70/100 (B)** — status: stable.

Positive: has types; esm support; no vulnerabilities; has provenance; high maintenance score; popular repo.

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 3.2.0 |
| Published | 2026-03-19 |
| First published | 2020-08-19 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM |
| Dependencies | 3 |
| Unpacked size | 140.1 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 14745 |
| Author | Long Ho |
| Maintainers | longlho, redonkulus, pyrocat |
| Keywords | abstract, ecma262, ecma402, es, format, i18n, intl, javascript, relative |

## Links

- npm: https://www.npmjs.com/package/@formatjs/ecma402-abstract
- Repository: https://github.com/formatjs/formatjs
- Issues: https://github.com/formatjs/formatjs/issues
- npm.io page: https://npm.io/package/@formatjs/ecma402-abstract

## Dependencies (3)

- [@formatjs/bigdecimal](https://npm.io/package/@formatjs/bigdecimal.md) 0.2.0
- [@formatjs/fast-memoize](https://npm.io/package/@formatjs/fast-memoize.md) 3.1.1
- [@formatjs/intl-localematcher](https://npm.io/package/@formatjs/intl-localematcher.md) 0.8.2

## Alternatives

- [duck](https://npm.io/package/duck.md) — 4.2M weekly downloads
- [ava](https://npm.io/package/ava.md) — 560.2K weekly downloads
- [storybook-addon-module-mock](https://npm.io/package/storybook-addon-module-mock.md) — 71.7K weekly downloads
- [vest](https://npm.io/package/vest.md) — 50.1K weekly downloads
- [@ethereum-waffle/mock-contract](https://npm.io/package/@ethereum-waffle/mock-contract.md) — 40.0K weekly downloads

## Recent versions

- 3.2.0 (latest) — 2026-03-19
- 3.1.2 — 2026-03-16
- 3.1.1 — 2026-02-01
- 3.1.0 — 2026-01-15
- 3.0.8 — 2026-01-06
- 3.0.7 — 2026-01-02
- 3.0.6 — 2025-12-26
- 3.0.5 — 2025-12-23
- 3.0.4 — 2025-12-23
- 3.0.3 — 2025-12-19
- 3.0.2 — 2025-12-17
- 3.0.1 — 2025-12-15
- 3.0.0 — 2025-12-15
- 2.3.6 — 2025-10-09
- 2.3.5 — 2025-10-03
- … 79 more at https://npm.io/package/@formatjs/ecma402-abstract/versions

## README

# ECMA402 Abstract

Implementation for various ECMAScript 402 abstract operations.

[![npm Version](https://img.shields.io/npm/v/@formatjs/ecma402-abstract.svg?style=flat-square)](https://www.npmjs.org/package/@formatjs/ecma402-abstract)

**IMPORTANT: This does not follow semver so please pin the version to the exact one that you need.**

---
_Source: https://npm.io/package/@formatjs/ecma402-abstract · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._
