refactor(@angular/cli): convert VERSION property from require to file read

Much like the framework packages, the VERSION property will eventually be set via build-time stamping but the necessary build infrastructure is not yet in place. Until then, the global require usage has been replaced with a file read and JSON parse which provides the equivalent required behavior.

Author: clydin

packages/angular/cli/models/version.ts

@@ -6,6 +6,9 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
+import { readFileSync } from 'fs';
+import { resolve } from 'path';
+
 // Same structure as used in framework packages
 export class Version {
   public readonly major: string;
@@ -19,4 +22,9 @@ export class Version {
   }
 }
 
-export const VERSION = new Version(require('../package.json').version);
+// TODO: Convert this to use build-time version stamping once implemented in the build system
+export const VERSION = new Version(
+  (
+    JSON.parse(readFileSync(resolve(__dirname, '../package.json'), 'utf-8')) as { version: string }
+  ).version,
+);