warn only on outdated deps

.eslintrc

@@ -0,0 +1,113 @@
+{
+    // http://eslint.org/docs/rules/
+    "env": {
+      "jasmine": true,
+      "node": true
+    },
+    "parserOptions": {
+      "ecmaVersion": 2020,
+      "sourceType": "module"
+    },
+
+    "extends": "eslint:recommended",
+    "rules": {
+      "valid-jsdoc": "error",
+      "default-case": "error",
+      "id-length": [
+        "error",
+        {
+          "min": 2,
+          "exceptions": ["id"]
+        }
+      ],
+      "no-alert": "error",
+      "no-implicit-coercion": "error",
+      "no-implied-eval": "error",
+      "no-invalid-this": "error",
+      "no-labels": "error",
+      "no-lone-blocks": "error",
+      "no-loop-func": "error",
+      "no-magic-numbers": [
+        "error",
+        {
+          "ignore": [0, 1, 2]
+        }
+      ],
+      "no-param-reassign": "error",
+      "no-prototype-builtins": "off",
+      "no-return-assign": ["error", "always"],
+      "no-script-url": "error",
+      "no-self-compare": "error",
+      "no-sequences": "error",
+      "no-throw-literal": "error",
+      "no-unmodified-loop-condition": "error",
+      "no-unused-expressions": "error",
+      "no-useless-call": "error",
+      "no-useless-concat": "error",
+      "no-useless-return": "error",
+      "no-void": "error",
+      "no-with": "error",
+
+      /**
+      * Stylistic rules
+      */
+
+      "camelcase": "error",
+      "complexity": "error",
+      "curly": [
+        "error",
+        "all"
+      ],
+      "max-depth": [
+        "error",
+        3  // http://eslint.org/docs/rules/max-depth
+      ],
+      "new-cap": "error",
+      "new-parens": "error",
+      "no-continue": "error",
+      "no-lonely-if": "error",
+      "no-multiple-empty-lines": [
+          "error",
+          {
+            "max": 1
+          }
+      ],
+      "no-nested-ternary": "error",
+      "no-tabs": "error",
+      "no-trailing-spaces": [
+        "error",
+        {
+          "ignoreComments": true,
+          "skipBlankLines": true
+        }
+      ],
+      "no-unneeded-ternary": "error",
+      "nonblock-statement-body-position": [
+        "error",
+        "beside"  // http://eslint.org/docs/rules/nonblock-statement-body-position
+      ],
+      "one-var-declaration-per-line": [
+        "error",
+        "always"
+      ],
+      "semi": [
+        "error",
+        "always"
+      ],
+      "vars-on-top": "error",
+
+      /**
+        * ES6 Specific
+        */
+
+      "arrow-body-style": [
+        "error",
+        "as-needed"
+      ],
+      "no-confusing-arrow": "error",
+      "no-useless-constructor": "error",
+      "no-var": "error",
+      "prefer-const": "error",
+      "prefer-template": "error"
+    }
+  }