chore(eslint): lint for copyrights on files (microsoft#2858)

.eslintrc.js

@@ -1,6 +1,6 @@
 module.exports = {
     parser: '@typescript-eslint/parser',
-    plugins: ['@typescript-eslint'],
+    plugins: ['@typescript-eslint', 'notice'],
     parserOptions: {
       project: './tsconfig.json',
       ecmaVersion: 9,
@@ -108,6 +108,12 @@ module.exports = {
             "beforeColon": false
         }],
 
+        // copyright
+        "notice/notice": [2, {
+            "mustMatch": "Copyright",
+            "templateFile": "./utils/copyright.js",
+        }],
+
         // type-aware rules
         "@typescript-eslint/no-unnecessary-type-assertion": 2,
     }

package.json

@@ -72,6 +72,7 @@
     "cross-env": "^5.0.5",
     "electron": "^9.0.0-beta.24",
     "eslint": "^6.6.0",
+    "eslint-plugin-notice": "^0.9.10",
     "esprima": "^4.0.0",
     "formidable": "^1.2.1",
     "ncp": "^2.0.0",

utils/copyright.js

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * 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.
+ */