[AAE-5674] Library for tooling in adf-cli (#7270)

* [AAE-5674] Library for tooling in adf-core

* Changes done as per PR comments

* Changes done as per comments

lib/cli/tooling/dotenv.ts

@@ -0,0 +1,24 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export function dotenv() {
+    return require('dotenv-expand')(require('dotenv'));
+}
+
+export function dotenvConfig(params?: any) {
+    return require('dotenv-expand')(require('dotenv').config(params));
+}

lib/cli/tooling/index.ts

@@ -0,0 +1,18 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export * from './dotenv';

lib/cli/tooling/package.json

@@ -0,0 +1,11 @@
+{
+  "ngPackage": {
+    "lib": {
+      "entryFile": "./index.ts",
+      "flatModuleFile": "adf-cli-tooling"
+    }
+  },
+  "peerDependencies": {
+    "dotenv-expand": "^5.1.0"
+  }
+}