Add isPromiseLike helper

benjie · benjie · commit bcf9a875c93c · 2024-11-22T17:01:45.000Z
diff --git a/src/lib.ts b/src/lib.ts
@@ -564,3 +564,8 @@ export function coerceError(err: unknown): Error & { code?: unknown } {
     return new Error(message, { cause: err });
   }
 }
+
+export function isPromiseLike<T>(v: PromiseLike<T> | T): v is PromiseLike<T> {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  return v != null && typeof (v as any).then === "function";
+}

Original file line number	Diff line number	Diff line change
`@@ -564,3 +564,8 @@ export function coerceError(err: unknown): Error & { code?: unknown } {`
`564`	`564`	`return new Error(message, { cause: err });`
`565`	`565`	`}`
`566`	`566`	`}`
	`567`	`+`
	`568`	`+export function isPromiseLike<T>(v: PromiseLike<T> \| T): v is PromiseLike<T> {`
	`569`	`+ // eslint-disable-next-line @typescript-eslint/no-explicit-any`
	`570`	`+ return v != null && typeof (v as any).then === "function";`
	`571`	`+}`