JavaScript's New Superpower: Explicit Resource Management
a year ago
- #JavaScript
- #Cleanup
- #Resource Management
- Introduces `using` and `await using` declarations for deterministic resource management.
- Adds `[Symbol.dispose]()` and `[Symbol.asyncDispose]()` for cleanup operations.
- Introduces `DisposableStack` and `AsyncDisposableStack` to manage multiple resources.
- Adds `SuppressedError` to handle errors during resource disposal.
- Ensures resources like file handles and network connections are properly disposed.
- Demonstrates usage with `ReadableStreamDefaultReader` to prevent stream locking issues.
- Provides methods like `use()`, `adopt()`, and `defer()` for resource management.
- Available in Chromium 134 and V8 v13.8.