sindresorhus
diff --git a/‎source/npm/util.js‎
Lines changed: 10 additions & 1 deletion b/‎source/npm/util.js‎
Lines changed: 10 additions & 1 deletion
diff --git a/‎test/npm/util/is-external-registry.js‎
Lines changed: 2 additions & 0 deletions b/‎test/npm/util/is-external-registry.js‎
Lines changed: 2 additions & 0 deletions
@@ -43,7 +43,16 @@ export const username = async ({externalRegistry}) => {
  }
 };
 
-export const isExternalRegistry = package_ => typeof package_.publishConfig?.registry === 'string';
+const NPM_DEFAULT_REGISTRIES = new Set([
+ // https://docs.npmjs.com/cli/v10/using-npm/registry
+ 'https://registry.npmjs.org',
+ // https://docs.npmjs.com/cli/v10/commands/npm-profile#registry
+ 'https://registry.npmjs.org/',
+]);
+export const isExternalRegistry = package_ => {
+ const registry = package_.publishConfig?.registry;
+ return typeof registry === 'string' && !NPM_DEFAULT_REGISTRIES.has(registry);
+};
 
 export const collaborators = async package_ => {
  const packageName = package_.name;
 
@@ -7,4 +7,6 @@ test('main', t => {
  t.false(npm.isExternalRegistry({name: 'foo'}));
  t.false(npm.isExternalRegistry({publishConfig: {registry: true}}));
  t.false(npm.isExternalRegistry({publishConfig: 'not an object'}));
+ t.false(npm.isExternalRegistry({publishConfig: {registry: 'https://registry.npmjs.org'}}));
+ t.false(npm.isExternalRegistry({publishConfig: {registry: 'https://registry.npmjs.org/'}}));
 });