test: fix prelease CLI E2E check

clydin · alexeagle · commit 6ec09919b5c2 · 2019-05-30T14:54:16.000-07:00
diff --git a/tests/legacy-cli/e2e/utils/project.ts b/tests/legacy-cli/e2e/utils/project.ts
@@ -500,6 +500,7 @@ export function useNg4() {
 
 export async function isPrereleaseCli() {
   const angularCliPkgJson = JSON.parse(await readFile('node_modules/@angular/cli/package.json'));
+  const pre = prerelease(angularCliPkgJson.version);
 
-  return prerelease(angularCliPkgJson.version).length > 0;
+  return pre && pre.length > 0;
 }

Original file line number	Diff line number	Diff line change
`@@ -500,6 +500,7 @@ export function useNg4() {`
`500`	`500`
`501`	`501`	`export async function isPrereleaseCli() {`
`502`	`502`	`const angularCliPkgJson = JSON.parse(await readFile('node_modules/@angular/cli/package.json'));`
	`503`	`+ const pre = prerelease(angularCliPkgJson.version);`
`503`	`504`
`504`		`- return prerelease(angularCliPkgJson.version).length > 0;`
	`505`	`+ return pre && pre.length > 0;`
`505`	`506`	`}`