jdisposer - A Resource Management Library

Manage cleanup of resources with AbortSignal integration.

Sample Usage

import { makeDisposer } from 'jdisposer'

const disposer = makeDisposer()

// Use with fetch API
fetch('/api/data', { signal: disposer.signal })

// Add cleanup functions
disposer.add(() => console.log('Cleanup 1'))
disposer.add(() => console.log('Cleanup 2'))

// Clean up everything (aborts signal and calls cleanup functions)
disposer.dispose() // Subsequent calls are no-op

API

makeDisposer(): Creates a new Disposer instance Disposer object has the following properties:

• dispose(): Abort signal and call all cleanup functions (no-op if already disposed)
• signal: AbortSignal that's aborted when disposed
• add(fn?): Add cleanup function
  • Ignores falsy values
  • Calls immediately if already disposed
  • Functions called in reverse order on dispose

makeReset(): Creates a resettable disposer pattern

• Returns a reset function that when called:
  • Disposes the current disposer
  • Creates and returns a new disposer instance
• Useful for managing resources that need periodic cleanup and recreation