import/no-extraneous-dependencies

.eslintrc

@@ -12,7 +12,7 @@
         "es6": true
     },
     "plugins": [
-        "@typescript-eslint", "microsoft-typescript"
+        "@typescript-eslint", "microsoft-typescript", "import"
     ],
     "rules": {
         "@typescript-eslint/adjacent-overload-signatures": "error",
@@ -69,6 +69,10 @@
         "microsoft-typescript/debug-assert": "error",
         "microsoft-typescript/no-keywords": "error",
 
+        "import/no-extraneous-dependencies": ["error", {
+            "optionalDependencies": false
+        }],
+
         "arrow-body-style": "off",
         "arrow-parens": "off",
         "brace-style": ["error", "stroustrup", { "allowSingleLine": true }],

package.json

@@ -56,6 +56,7 @@
         "@types/xml2js": "^0.4.0",
         "@typescript-eslint/eslint-plugin": "1.11.0",
         "@typescript-eslint/parser": "1.11.0",
+        "async": "latest",
         "azure-devops-node-api": "^8.0.0",
         "browser-resolve": "^1.11.2",
         "browserify": "latest",
@@ -65,9 +66,11 @@
         "del": "latest",
         "eslint": "6.0.1",
         "eslint-formatter-autolinkable-stylish": "latest",
+        "eslint-plugin-import": "2.18.0",
         "eslint-plugin-microsoft-typescript": "0.1.11",
         "fancy-log": "latest",
         "fs-extra": "^6.0.1",
+        "glob": "latest",
         "gulp": "^4.0.0",
         "gulp-concat": "latest",
         "gulp-insert": "latest",