Update ESLint config for version 8 (#1959)

.eslintignore

@@ -1,6 +1,2 @@
 js/lib/*
 js/mode/*
-
-# js class static blocks is currently ignored as it fails test
-live-examples/js-examples/classes/classes-static-initialization.js
-live-examples/js-examples/classes/classes-static.js

.eslintrc

@@ -226,13 +226,6 @@
                 "no-control-regex": "off"
             }
         },
-        {
-            // Only until the "d" flag is supported by eslint.
-            "files": ["**/regexp/regexp-prototype-hasindices.js"],
-            "rules": {
-                "no-invalid-regexp": "warn"
-            }
-        },
         {
             "files": ["**/set/set-prototype-foreach.js"],
             "rules": {

live-examples/js-examples/classes/classes-static-initialization.js

@@ -1,12 +1,12 @@
 class ClassWithStaticInitializationBlock {
-  static staticProperty1 = "Property 1";
+  static staticProperty1 = 'Property 1';
   static staticProperty2;
   static {
-    this.staticProperty2 = "Property 2"
+    this.staticProperty2 = 'Property 2';
   }
 }
 
 console.log(ClassWithStaticInitializationBlock.staticProperty1);
 // output: "Property 1"
 console.log(ClassWithStaticInitializationBlock.staticProperty2);
-// output: "Property 2"
+// output: "Property 2"

live-examples/js-examples/classes/classes-static.js

@@ -3,8 +3,8 @@ class ClassWithStaticMethod {
   static staticMethod() {
     return 'static method has been called.';
   }
-  static {  
-    console.log("Class static initialization block called");
+  static {
+    console.log('Class static initialization block called');
   }
 }