feat: add parseNamespace utility fn to schematics

npm/ng-packs/packages/schematics/src/utils/index.ts

@@ -1,6 +1,7 @@
 export * from './angular';
 export * from './ast';
 export * from './common';
+export * from './namespace';
 export * from './rule';
 export * from './source';
 export * from './text';

npm/ng-packs/packages/schematics/src/utils/namespace.ts

@@ -0,0 +1,15 @@
+export function parseNamespace(solution: string, type: string) {
+  let namespace = type
+    .split('.')
+    .slice(0, -1)
+    .join('.');
+
+  solution.split('.').reduceRight((acc, part) => {
+    acc = part + '.' + acc;
+    const regex = new RegExp('^' + acc + '(Controllers.)?');
+    namespace = namespace.replace(regex, '');
+    return acc;
+  }, '');
+
+  return namespace;
+}