chokidar

What it is

Chokidar is a powerful and reliable file system watcher that stabilizes events from `fs.watch` and `fs.watchFile`, providing robust event handling across different platforms, including macOS.

Chokidar stands out by providing consistent and reliable filesystem event handling across different platforms, stabilizing the inconsistencies found in `fs.watch` and `fs.watchFile`, making it a preferred choice for developers working with Node.js.

When it fits — and when it doesn’t

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

1. 01

   Limited cross-platform reliability

   Performance and event handling can still vary significantly across different operating systems despite its efforts to standardize.

2. 02

   Complex setup for large projects

   Configuring Chokidar for complex directory structures or multiple file types requires a deep understanding of its API and event handling mechanisms.

3. 03

   High memory usage in large-scale applications

   Monitoring numerous files simultaneously can lead to increased memory consumption, affecting performance in resource-constrained environments.

What it does well

• Stabilizes events from `fs.watch` and `fs.watchFile`

• Uses native `fsevents` on macOS for better performance

• Cross-platform compatibility with consistent event handling

• Extensive testing across various environments

Pricing

Free tier

YesOpen source — free to use

Paid from

$0

Model

Flat rate

Enterprise plan

No

Pricing not independently confirmed — check the vendor’s page.