Package

happy-opfs

A browser-compatible file system module based on OPFS, inspired by Deno fs APIs. Supports async/sync operations, streaming zip/unzip, and Result-based error handling.

v2.3.1, 16 Sept 2026MITESM + CommonJSTypes: BundledFiles and file systems Promises and async control flow

$ npm install happy-opfs

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 1.1k; +70% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 4; Direct, from package.json
Last release: 8 days ago; v2.3.1
GitHub stars: 35; 6 forks
Open issues / PRs: 0 / 0
Contributors: -
Commits, last 52 weeks: 351

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

1,092 downloads last week, 7,387 in the last month. The 12-month change of +70% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: -
Latest version: 2.3.1, 16 Sept 20268 days ago
First published: -
Last push to GitHub: 16 Sept 20268 days before the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 0
Commits, last 52 weeks: 351
Dependents on npm: 1

Major versions

Recent releases

Compatibility

Module format: ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 1.0 MB
Dependencies (4): fflatehappy-rustytiny-future@happy-ts/fetch-t

Install

npm install happy-opfs

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/happy-opfs@2.3.1/
unpkghttps://unpkg.com/happy-opfs@2.3.1/
esm.shhttps://esm.sh/happy-opfs@2.3.1

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
opfs-tools EN: A simple, high-performance, and comprehensive file system API running in the browser, built on [OPFS](https://developer.mozilla.org/en-US/docs/Web/API/File_System_API/Origin_private_file_system).	19k	-	10 months ago	ESM + CommonJS	-
write Write data to a file, replacing the file if it already exists and creating any intermediate directories if they don't already exist. Thin wrapper around node's native fs methods.	4.2m	-	7 years ago	CommonJS	-
@stdlib/fs-read-file Read the entire contents of a file.	345k	-	7 months ago	CommonJS	-
@stdlib/fs-resolve-parent-path Resolve a path by walking parent directories.	542k	-	7 months ago	CommonJS	-
@rpldy/uploader the processing and queuing engine for react-uploady	42.1k	-	9 months ago	ESM + CommonJS	-
@rpldy/raw-uploader placeholder package for now	35.9k	-	9 months ago	ESM + CommonJS	-
@rpldy/uploady wrapper&context component to expose and provide react-uploady functionality	41.4k	-	9 months ago	ESM + CommonJS	-
@rpldy/upload-button upload button component and asUploadButton HOC	19.9k	-	9 months ago	ESM + CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 1092 < 10000.