chore(cli): check for undefined instead of falsey

corymhall · corymhall · commit 59deff97f529 · 2022-02-11T13:00:22.000Z
The return value from `context` is 0 which is falsey. This was causing
pipeline failures with the error

```
Error: Unknown command: context
```
diff --git a/packages/aws-cdk/bin/cdk.ts b/packages/aws-cdk/bin/cdk.ts
@@ -309,7 +309,7 @@ async function initCommandLine() {
         break;
     }
 
-    if (!returnValue) {
+    if (returnValue !== undefined) {
       returnValue = await main(cmd, argv);
     }
 

Original file line number	Diff line number	Diff line change
`@@ -309,7 +309,7 @@ async function initCommandLine() {`
`309`	`309`	`break;`
`310`	`310`	`}`
`311`	`311`
`312`		`- if (!returnValue) {`
	`312`	`+ if (returnValue !== undefined) {`
`313`	`313`	`returnValue = await main(cmd, argv);`
`314`	`314`	`}`
`315`	`315`