update to eslint@8

.eslintrc.js

@@ -986,11 +986,8 @@ const json = {
 
 module.exports = {
   root: true,
-  parser: '@babel/eslint-parser',
   parserOptions: {
-    ecmaVersion: 2021,
-    requireConfigFile: false,
-    sourceType: 'script',
+    ecmaVersion: 2022,
   },
   env: {
     // unnececery global builtins disabled by related rules

.npmrc

@@ -1 +1,2 @@
 package-lock=false
+legacy-peer-deps=true

package.json

@@ -3,7 +3,6 @@
   "devDependencies": {
     "@babel/cli": "^7.15.7",
     "@babel/core": "^7.15.8",
-    "@babel/eslint-parser": "^7.15.8",
     "@babel/plugin-proposal-class-properties": "^7.14.5",
     "@babel/plugin-proposal-logical-assignment-operators": "^7.14.5",
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.14.5",
@@ -34,16 +33,16 @@
     "core-js-pure": "file:./packages/core-js-pure",
     "david": "^12.0.0",
     "es-observable": "git+https://github.com/tc39/proposal-observable.git#d3404f06bc70c7c578a5047dfb3dc813730e3319",
-    "eslint": "^7.32.0",
+    "eslint": "^8.0.0",
     "eslint-plugin-es": "git+https://github.com/mysticatea/eslint-plugin-es.git#00d73851793541dc7b0d07292deb0ca2bc8a25e1",
     "eslint-plugin-eslint-comments": "^3.2.0",
-    "eslint-plugin-import": "^2.24.2",
+    "eslint-plugin-import": "^2.25.1",
     "eslint-plugin-jsonc": "^1.7.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-qunit": "^6.2.0",
     "eslint-plugin-regexp": "^1.4.1",
     "eslint-plugin-sonarjs": "~0.10.0",
-    "eslint-plugin-unicorn": "^36.0.0",
+    "eslint-plugin-unicorn": "^37.0.1",
     "jsonc-eslint-parser": "^1.4.1",
     "karma": "^6.3.4",
     "karma-chrome-launcher": "^3.1.0",

scripts/check-dependencies.mjs

@@ -6,12 +6,6 @@ const { eq, coerce, minVersion } = semver;
 const getDependencies = promisify(david.getDependencies);
 
 const ignoreEverywhere = new Set([
-  // `eslint` update is blocked by:
-  // https://github.com/import-js/eslint-plugin-import/pull/2191
-  // https://github.com/platinumazure/eslint-plugin-qunit/issues/208
-  'eslint',
-  // requires `eslint@8`
-  'eslint-plugin-unicorn',
   'moon-unit',
 ]);