Used in agent projects
37
0.3% of 12,697 public repos built with AI coding agents
Rank in utilities
#61 of 109
by use in those projects
Downloads
95.5M
npm, last 7 days, fflate
GitHub stars
3,043
last push May 16, 2026
How fflate is used
fflate is a dependency in 37 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.3%), #61 of 109 in utilities. The most used alternative there is clsx. Projects that use it most often also use Vitest (67.6%), Vite (62.2%), TypeScript (94.6%).
Often used with fflate
| Vitest | 67.6% of fflate projects · 5.5× more than average |
|---|---|
| Vite | 62.2% of fflate projects · 2.7× more than average |
| TypeScript | 94.6% of fflate projects · 1.7× more than average |
| Playwright (JavaScript) | 35.1% of fflate projects · 4.0× more than average |
| Zod | 43.2% of fflate projects · 2.6× more than average |
| Marked | 27.0% of fflate projects · 23.2× more than average |
| tsx | 32.4% of fflate projects · 3.3× more than average |
| jsdom | 24.3% of fflate projects · 4.5× more than average |
By coding agent
| Claude Code | 0.8% of projects set up for it |
|---|---|
| GitHub Copilot | 0.5% of projects set up for it |
| Cursor | 0.4% of projects set up for it |
| Gemini CLI | 1.1% of projects set up for it |
| OpenCode | 1.6% of projects set up for it |
Share of public repos configured for each agent that list fflate as a dependency.
Install
| Package | npm install fflate |
|---|---|
| Main stacks | TypeScript / JavaScript (29), Next.js (6), Rust (2) |
| Example projects | ding113/claude-code-hub, nuxt/nuxt.com, nirholas/three.ws, hzrd149/nostrudel, avi12/youtube-downloader |
Alternatives to fflate
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| clsx npm Tiny utility for conditionally constructing className strings. |
2,251 (17.7%) | 126M | 9,847 | MIT |
| date-fns npm Modern JavaScript date utility library with comprehensive formatting functions. |
1,079 (8.5%) | 97.6M | 36.6K | MIT |
| uuid npm Generate RFC9562 compliant UUIDs for unique identifiers in applications. |
454 (3.6%) | 296M | 15.3K | MIT |
| PyYAML pypi YAML parser and emitter for reading and writing YAML configuration files. |
385 (3.0%) | 239M | 2,954 | MIT |
| Lodash npm Modular utility library with methods for common programming tasks and data manipulation. |
269 (2.1%) | 162M | 61.4K | MIT |
| bn.js npm Big number library for handling arbitrary-precision integers in JavaScript. |
217 (1.7%) | 62.1M | 1,230 | MIT |
| python-dateutil pypi Extensions to Python's datetime module for advanced date and time manipulation. |
165 (1.3%) | 233M | 2,638 | Dual License |
| yaml npm JavaScript YAML parser and stringifier with full spec compliance. |
164 (1.3%) | 179M | 1,693 | ISC |