node-efsw

Watching your filesystem events just like fsevents. But node-efsw is cross-platform.

Node.js binding for efsw.

Installation

$ npm install --save efsw

Usage

const Watcher = require("efsw").Watcher;

const watcher = new Watcher("/tmp");
watcher.on("change", function(filename, info) {
    console.log(filename, info);
});
watcher.on("error", function(err) {
    console.error(err);
});

watcher.start();
watcher.stop();

API

Constructor

new Watcher(dir);

Parameters

• dir: the directory to be watched.

start()

Start the watcher. It may occur some error events, eg. the directory is not exist.

stop()

Stop the watcher.

Events

.on("change", function(filename, info) {})

This event will be emitted when a filesystem event occurred, eg. a file added.

Callback Parameters

• filename: the absolute filename;
• info: the event information object;
  • info.dir: the base directory that this watcher is watching;
  • info.action: the event type:
    • "ADD"
    • "DELETE"
    • "MODIFIED"
    • "MOVED"
  • info.relative: the relative filename that based from info.dir;
  • info.old: if the event is "MOVED", this column indicates the old filename;
  • info.oldRelative: similar with info.relative. If the event is "MOVED", this column indicates the old filename.

.on("error", function(err) {})

This event will be emitted when an error occurred.

Callback Parameters

• err: the error object.

Contribution

You're welcome to make pull request.