Watch a file for changes.

Provides a simplified wrapper around chokidar for watching a file.

Installation

yarn add watch-file-safe

npm install watch-file-safe

API

Usage

import watchFile from "watch-file-safe";

const watcher = watchFile("/path/to/file.txt");

watcher.onReady(() => {
  console.log(`Ready`);
}).onAdd((path: string) => {
  console.log(`Added ${path}`);
}).onChange((path: string) => {
  console.log(`Changed ${path}`);
}).onRemove((path: string) => {
  console.log(`Removed ${path}`);
});

// To stop watching:
watcher.stop();

Types

import watchFile, { Watcher, EventCallback } from "watch-file-safe";

function watchFile(path: string): Watcher;

type EventCallback = (path: string) => void;

type Watcher = {
  onAdd: (cb: EventCallback) => Watcher;
  onRemove: (cb: EventCallback) => Watcher;
  onChange: (cb: EventCallback) => Watcher;
  onReady: (cb: () => void) => Watcher;
  stop: () => Promise<boolean>;
}

• chokidar: A neat wrapper around node.js fs.watch / fs.watchFile / fsevents.

• @bconnorwhite/bob: Bob is a toolkit for TypeScript projects

MIT

Related Packages

• fs-safe: A simple fs wrapper that doesn't throw
• watch-dir-safe: Watch a directory for changes
• read-file-safe: Read files without try catch
• write-file-safe: Write files, and parent directories if necessary
• remove-file-safe: Remove a file without try catch