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AsyncCancellation

async/require-abort-listener-cleanup

Abort listeners should be one-shot or visibly removed or disposed so they do not outlive the operation they monitor.

abort-signallistenerscleanup

01 Examples

TypeScript

signal.addEventListener("abort", cancel);

Finding

Require cleanup of abort listeners.

02 Enable it

Setup

Install the package, register its plugin factory, then enable the rule.

Install the package

pnpm add -D @scruple/async

Register the plugin

In scruple.config.ts, register the factory under the async namespace used by the rule ID.

import { asyncRules } from "@scruple/async";

plugins: {
  "async": asyncRules(),
},

Enable the rule

"async/require-abort-listener-cleanup": "warn"

Package

@scruple/async

Default threshold

Plugin default

Minimum confidence

Plugin default