From 811aef84cb139f8e0a7a5886e73b2da1aee21c99 Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Mon, 1 Sep 2025 15:14:57 +0100
Subject: [PATCH] Move `isDefined` from `start-proxy` to `util`

---
 lib/start-proxy-action.js |  6 +++---
 src/start-proxy.ts        | 11 +----------
 src/util.ts               |  9 +++++++++
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/lib/start-proxy-action.js b/lib/start-proxy-action.js
index 5881cacea..9670648c8 100644
--- a/lib/start-proxy-action.js
+++ b/lib/start-proxy-action.js
@@ -47753,6 +47753,9 @@ async function delay(milliseconds, opts) {
 function getErrorMessage(error2) {
   return error2 instanceof Error ? error2.message : String(error2);
 }
+function isDefined(value) {
+  return value !== void 0 && value !== null;
+}
 
 // src/actions-util.ts
 var pkg = require_package();
@@ -47825,9 +47828,6 @@ var LANGUAGE_TO_REGISTRY_TYPE = {
   rust: "cargo_registry",
   go: "goproxy_server"
 };
-function isDefined(value) {
-  return value !== void 0 && value !== null;
-}
 function getCredentials(logger, registrySecrets, registriesCredentials, languageString) {
   const language = languageString ? parseLanguage(languageString) : void 0;
   const registryTypeForLanguage = language ? LANGUAGE_TO_REGISTRY_TYPE[language] : void 0;
diff --git a/src/start-proxy.ts b/src/start-proxy.ts
index d74884bfd..08da18291 100644
--- a/src/start-proxy.ts
+++ b/src/start-proxy.ts
@@ -2,7 +2,7 @@ import * as core from "@actions/core";
 
 import { KnownLanguage } from "./languages";
 import { Logger } from "./logging";
-import { ConfigurationError } from "./util";
+import { ConfigurationError, isDefined } from "./util";
 
 export type Credential = {
   type: string;
@@ -65,15 +65,6 @@ const LANGUAGE_TO_REGISTRY_TYPE: Partial<Record<KnownLanguage, string>> = {
   go: "goproxy_server",
 } as const;
 
-/**
- * Checks that `value` is neither `undefined` nor `null`.
- * @param value The value to test.
- * @returns Narrows the type of `value` to exclude `undefined` and `null`.
- */
-function isDefined<T>(value: T | null | undefined): value is T {
-  return value !== undefined && value !== null;
-}
-
 // getCredentials returns registry credentials from action inputs.
 // It prefers `registries_credentials` over `registry_secrets`.
 // If neither is set, it returns an empty array.
diff --git a/src/util.ts b/src/util.ts
index 1ac24ad12..5ef037636 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -1278,3 +1278,12 @@ export async function asyncSome<T>(
   const results = await Promise.all(array.map(predicate));
   return results.some((result) => result);
 }
+
+/**
+ * Checks that `value` is neither `undefined` nor `null`.
+ * @param value The value to test.
+ * @returns Narrows the type of `value` to exclude `undefined` and `null`.
+ */
+export function isDefined<T>(value: T | null | undefined): value is T {
+  return value !== undefined && value !== null;
+}