Adds support for protocol in jest-dev-server

packages/jest-dev-server/README.md

@@ -84,6 +84,36 @@ Type: `object`, default to `{}`.
 
 Any other options to pass to [`spawnd`](https://www.npmjs.com/package/spawnd).
 
+#### `host`
+
+Type: `string`, default to `localhost`.
+
+Host to wait for activity on before considering the server running.
+Must be used in conjunction with `port`.
+
+```js
+module.exports = {
+  command: 'npm run start --port 3000',
+  host: 'customhost.com',
+  port: 3000
+}
+```
+
+#### `protocol`
+
+Type: `string`, default to `null`.
+
+To wait for an HTTP endpoint before considering the server running, include `http` as a protocol.
+Must be used in conjunction with `port`.
+
+```js
+module.exports = {
+  command: 'npm run start --port 3000',
+  protocol: 'http',
+  port: 3000
+}
+```
+
 #### `port`
 
 Type: `number`, default to `null`.

packages/jest-dev-server/src/global.js

@@ -13,7 +13,9 @@ const DEFAULT_CONFIG = {
   debug: false,
   options: {},
   launchTimeout: 5000,
+  host: null,
   port: null,
+  protocol: null,
   usedPortAction: 'ask',
 }
 
@@ -155,8 +157,10 @@ export async function setup(config) {
         )
       }),
       waitPort({
-        port: config.port,
+        host: config.host,
         output: 'silent',
+        port: config.port,
+        protocol: config.protocol,
       }),
     ])
     clearTimeout(timeout)