polyfill Symbol.dispose and Symbol.asyncDispose

tailwindlabs · Dec 16, 2024 · bcb8aca · bcb8aca
1 parent 0768a5b
commit bcb8aca
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/@tailwindcss-node/src/instrumentation.ts b/packages/@tailwindcss-node/src/instrumentation.ts
@@ -1,6 +1,12 @@
 import { DefaultMap } from '../../tailwindcss/src/utils/default-map'
 import * as env from './env'
 
+// See: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-2.html#:~:text=Symbol.dispose,-??=%20Symbol(%22Symbol.dispose
+// @ts-expect-error — Ensure Symbol.dispose exists
+Symbol.dispose ??= Symbol('Symbol.dispose')
+// @ts-expect-error — Ensure Symbol.asyncDispose exists
+Symbol.asyncDispose ??= Symbol('Symbol.asyncDispose')
+
 export class Instrumentation implements Disposable {
   #hits = new DefaultMap(() => ({ value: 0 }))
   #timers = new DefaultMap(() => ({ value: 0n }))