Set config ecmaVersion to 2022 (#1978)

Author: bmish

.eslintrc.js

@@ -4,7 +4,7 @@ module.exports = {
   root: true,
   parser: '@babel/eslint-parser',
   parserOptions: {
-    ecmaVersion: 2020,
+    ecmaVersion: 2022,
     sourceType: 'script',
     babelOptions: {
       configFile: require.resolve('./.babelrc'),
@@ -24,7 +24,7 @@ module.exports = {
     'prettier',
   ],
   env: {
-    es2020: true,
+    es2022: true,
     node: true,
     jest: true,
   },

lib/config/base.js

@@ -2,13 +2,13 @@ module.exports = {
   root: true,
 
   parserOptions: {
-    ecmaVersion: 2020,
+    ecmaVersion: 2022,
     sourceType: 'module',
   },
 
   env: {
     browser: true,
-    es2020: true,
+    es2022: true,
   },
 
   plugins: ['ember'],

tests/lib/rules-preprocessor/gjs-gts-parser-test.js

@@ -30,7 +30,7 @@ function initESLint(parser = gjsGtsParser) {
         browser: true,
       },
       parserOptions: {
-        ecmaVersion: 2020,
+        ecmaVersion: 2022,
         sourceType: 'module',
       },
       parser,

tests/lib/rules/alias-model-in-controller.js

@@ -10,7 +10,7 @@ const RuleTester = require('eslint').RuleTester;
 // ------------------------------------------------------------------------------
 
 const eslintTester = new RuleTester({
-  parserOptions: { ecmaVersion: 2020, sourceType: 'module' },
+  parserOptions: { ecmaVersion: 2022, sourceType: 'module' },
 });
 
 eslintTester.run('alias-model-in-controller', rule, {

tests/lib/rules/avoid-leaking-state-in-ember-objects.js

@@ -11,7 +11,7 @@ const RuleTester = require('eslint').RuleTester;
 
 const eslintTester = new RuleTester({
   parser: require.resolve('@babel/eslint-parser'),
-  parserOptions: { ecmaVersion: 2020, sourceType: 'module' },
+  parserOptions: { ecmaVersion: 2022, sourceType: 'module' },
 });
 eslintTester.run('avoid-leaking-state-in-ember-objects', rule, {
   valid: [

tests/lib/rules/avoid-using-needs-in-controllers.js

@@ -12,7 +12,7 @@ const RuleTester = require('eslint').RuleTester;
 const eslintTester = new RuleTester({
   parser: require.resolve('@babel/eslint-parser'),
   parserOptions: {
-    ecmaVersion: 2020,
+    ecmaVersion: 2022,
     sourceType: 'module',
   },
 });

tests/lib/rules/classic-decorator-hooks.js

@@ -11,7 +11,7 @@ const {
 
 const ruleTester = new RuleTester({
   parser: require.resolve('@babel/eslint-parser'),
-  parserOptions: { ecmaVersion: 2020, sourceType: 'module' },
+  parserOptions: { ecmaVersion: 2022, sourceType: 'module' },
 });
 
 ruleTester.run('classic-decorator-hooks', rule, {

tests/lib/rules/classic-decorator-no-classic-methods.js

@@ -7,7 +7,7 @@ const { disallowedMethodErrorMessage } = rule;
 
 const ruleTester = new RuleTester({
   parser: require.resolve('@babel/eslint-parser'),
-  parserOptions: { ecmaVersion: 2020, sourceType: 'module' },
+  parserOptions: { ecmaVersion: 2022, sourceType: 'module' },
 });
 
 ruleTester.run('classic-decorator-no-classic-methods', rule, {

tests/lib/rules/closure-actions.js

@@ -12,7 +12,7 @@ const { ERROR_MESSAGE } = rule;
 // ------------------------------------------------------------------------------
 
 const eslintTester = new RuleTester({
-  parserOptions: { ecmaVersion: 2020, sourceType: 'module' },
+  parserOptions: { ecmaVersion: 2022, sourceType: 'module' },
 });
 
 eslintTester.run('closure-actions', rule, {

tests/lib/rules/computed-property-getters.js

@@ -14,7 +14,7 @@ const { addComputedImport } = require('../../helpers/test-case');
 
 const { PREVENT_GETTER_MESSAGE, ALWAYS_GETTER_MESSAGE, ALWAYS_WITH_SETTER_MESSAGE } = rule;
 const ruleTester = new RuleTester();
-const parserOptions = { ecmaVersion: 2020, sourceType: 'module' };
+const parserOptions = { ecmaVersion: 2022, sourceType: 'module' };
 const output = null;
 
 const alwaysWithSetterOptionErrors = [