feat(testing): allow customizing the default address used to start the local registry

Author: tinesoft

packages/js/src/plugins/jest/start-local-registry.ts

@@ -6,17 +6,20 @@ import { execSync, fork } from 'child_process';
  * @param storage the storage location for the local registry
  * @param verbose whether to log verbose output
  * @param clearStorage whether to clear the verdaccio storage before running the registry
+ * @param listenAddress the address that verdaccio should listen to (default to `localhost`)
  */
 export function startLocalRegistry({
   localRegistryTarget,
   storage,
   verbose,
   clearStorage,
+  listenAddress = 'localhost',
 }: {
   localRegistryTarget: string;
   storage?: string;
   verbose?: boolean;
   clearStorage?: boolean;
+  listenAddress?: string;
 }) {
   if (!localRegistryTarget) {
     throw new Error(`localRegistryTarget is required`);
@@ -36,17 +39,21 @@ export function startLocalRegistry({
     const listener = (data) => {
       if (verbose) {
         process.stdout.write(data);
+        console.log('Waiting for local registry to start...');
       }
-      if (data.toString().includes('http://localhost:')) {
+      if (data.toString().includes(`http://${listenAddress}:`)) {
         const port = parseInt(
-          data.toString().match(/localhost:(?<port>\d+)/)?.groups?.port
+          data.toString().match(new RegExp(`${listenAddress}:(?<port>\\d+)`))
+            ?.groups?.port
         );
-        console.log('Local registry started on port ' + port);
 
-        const registry = `http://localhost:${port}`;
+        const registry = `http://${listenAddress}:${port}`;
+
+        console.log(`Local registry started on ${registry}`);
+
         process.env.npm_config_registry = registry;
         execSync(
-          `npm config set //localhost:${port}/:_authToken "secretVerdaccioToken"`,
+          `npm config set //${listenAddress}:${port}/:_authToken "secretVerdaccioToken"`,
           {
             windowsHide: false,
           }
@@ -56,13 +63,13 @@ export function startLocalRegistry({
         process.env.YARN_REGISTRY = registry;
         // yarnv2
         process.env.YARN_NPM_REGISTRY_SERVER = registry;
-        process.env.YARN_UNSAFE_HTTP_WHITELIST = 'localhost';
+        process.env.YARN_UNSAFE_HTTP_WHITELIST = listenAddress;
 
         console.log('Set npm and yarn config registry to ' + registry);
 
         resolve(() => {
           childProcess.kill();
-          execSync(`npm config delete //localhost:${port}/:_authToken`, {
+          execSync(`npm config delete //${listenAddress}:${port}/:_authToken`, {
             windowsHide: false,
           });
         });