diff --git a/.eslintrc.js b/.eslintrc.js
index 3cf7ec2e20..a65219828d 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,3 +1,4 @@
+const LEGACY_FILES = ["platform/**", "example/**"];
 module.exports = {
     "env": {
         "browser": true,
@@ -66,6 +67,56 @@ module.exports = {
         ],
         "dot-notation": "error",
         "indent": ["error", 4],
+
+        // https://eslint.org/docs/rules/no-case-declarations
+        "no-case-declarations": "error",
+        // https://eslint.org/docs/rules/max-classes-per-file
+        "max-classes-per-file": ["error", 1],
+        // https://eslint.org/docs/rules/no-eq-null
+        "no-eq-null": "error",
+        // https://eslint.org/docs/rules/no-eval
+        "no-eval": "error",
+        // https://eslint.org/docs/rules/no-floating-decimal
+        "no-floating-decimal": "error",
+        // https://eslint.org/docs/rules/no-implicit-globals
+        "no-implicit-globals": "error",
+        // https://eslint.org/docs/rules/no-implied-eval
+        "no-implied-eval": "error",
+        // https://eslint.org/docs/rules/no-lone-blocks
+        "no-lone-blocks": "error",
+        // https://eslint.org/docs/rules/no-loop-func
+        "no-loop-func": "error",
+        // https://eslint.org/docs/rules/no-new-func
+        "no-new-func": "error",
+        // https://eslint.org/docs/rules/no-new-wrappers
+        "no-new-wrappers": "error",
+        // https://eslint.org/docs/rules/no-octal-escape
+        "no-octal-escape": "error",
+        // https://eslint.org/docs/rules/no-proto
+        "no-proto": "error",
+        // https://eslint.org/docs/rules/no-return-await
+        "no-return-await": "error",
+        // https://eslint.org/docs/rules/no-script-url
+        "no-script-url": "error",
+        // https://eslint.org/docs/rules/no-self-compare
+        "no-self-compare": "error",
+        // https://eslint.org/docs/rules/no-sequences
+        "no-sequences": "error",
+        // https://eslint.org/docs/rules/no-unmodified-loop-condition
+        "no-unmodified-loop-condition": "error",
+        // https://eslint.org/docs/rules/no-useless-call
+        "no-useless-call": "error",
+        // https://eslint.org/docs/rules/wrap-iife
+        "wrap-iife": "error",
+        // https://eslint.org/docs/rules/no-nested-ternary
+        "no-nested-ternary": "error",
+        // https://eslint.org/docs/rules/switch-colon-spacing
+        "switch-colon-spacing": "error",
+        // https://eslint.org/docs/rules/no-useless-computed-key
+        "no-useless-computed-key": "error",
+        // https://eslint.org/docs/rules/rest-spread-spacing
+        "rest-spread-spacing": ["error"],
+
         "vue/html-indent": [
             "error",
             4,
@@ -112,6 +163,13 @@ module.exports = {
                     }
                 ]
             }
+        }, {
+            "files": LEGACY_FILES,
+            "rules": {
+                // https://eslint.org/docs/rules/no-nested-ternary
+                "no-nested-ternary": "off",
+                "no-var": "off"
+            }
         }
     ]
 };