permissive eslint rules to remove linter warnings

package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-electron",
-  "version": "6.3.1",
+  "version": "6.4.0",
   "description": "Angular 8 with Electron (Typescript + SASS + Hot Reload)",
   "homepage": "https://github.com/maximegris/angular-electron",
   "author": {
@@ -12,6 +12,8 @@
     "angular 8",
     "electron",
     "typescript",
+    "eslint",
+    "spectron",
     "sass"
   ],
   "main": "main.js",
@@ -56,8 +58,8 @@
     "@types/jasminewd2": "2.0.6",
     "@types/mocha": "5.2.7",
     "@types/node": "12.6.8",
-    "@typescript-eslint/eslint-plugin": "^2.7.0",
-    "@typescript-eslint/parser": "^2.7.0",
+    "@typescript-eslint/eslint-plugin": "2.8.0",
+    "@typescript-eslint/parser": "2.8.0",
     "chai": "4.2.0",
     "codelyzer": "5.1.0",
     "conventional-changelog-cli": "2.0.25",
@@ -65,13 +67,13 @@
     "electron": "7.1.1",
     "electron-builder": "21.2.0",
     "electron-reload": "1.5.0",
-    "eslint": "^6.6.0",
-    "eslint-plugin-import": "^2.18.2",
+    "eslint": "6.6.0",
+    "eslint-plugin-import": "2.18.2",
     "jasmine-core": "3.4.0",
     "jasmine-spec-reporter": "4.2.1",
     "karma": "4.2.0",
     "karma-coverage-istanbul-reporter": "2.1.0",
-    "karma-electron": "^6.3.0",
+    "karma-electron": "6.3.0",
     "karma-jasmine": "2.0.1",
     "karma-jasmine-html-reporter": "1.4.2",
     "mocha": "6.2.0",