fix: show error message if spawning of appium fails

vdbongard · vdbongard · commit aa74963120b7 · 2020-01-24T14:25:42.000+01:00
diff --git a/lib/appium-server.ts b/lib/appium-server.ts
@@ -133,6 +133,10 @@ export class AppiumServer {
         logInfo(`Server args: `, startingServerArgs);
 
         this._server = spawn(this._appium, startingServerArgs);
+        this._server.on('error', (err) => {
+            console.error('Failed to start appium! Do you have it installed?');
+            console.error(err);
+        });
     }
 
     public async stop() {

Original file line number	Diff line number	Diff line change
`@@ -133,6 +133,10 @@ export class AppiumServer {`
`133`	`133`	logInfo(`Server args: `, startingServerArgs);
`134`	`134`
`135`	`135`	`this._server = spawn(this._appium, startingServerArgs);`
	`136`	`+ this._server.on('error', (err) => {`
	`137`	`+ console.error('Failed to start appium! Do you have it installed?');`
	`138`	`+ console.error(err);`
	`139`	`+ });`
`136`	`140`	`}`
`137`	`141`
`138`	`142`	`public async stop() {`