[New] Support eslint v8

Author: ota-meshi

.github/workflows/node-4+.yml

@@ -26,6 +26,7 @@ jobs:
       matrix:
         node-version: ${{ fromJson(needs.matrix.outputs.latest) }}
         eslint:
+          - 8
           - 7
           - 6
           - 5
@@ -44,24 +45,44 @@ jobs:
             env:
               TS_PARSER: 2
         exclude:
+          - node-version: 15
+            eslint: 8
+          - node-version: 13
+            eslint: 8
+          - node-version: 11
+            eslint: 8
+          - node-version: 10
+            eslint: 8
+          - node-version: 9
+            eslint: 8
           - node-version: 9
             eslint: 7
+          - node-version: 8
+            eslint: 8
           - node-version: 8
             eslint: 7
+          - node-version: 7
+            eslint: 8
           - node-version: 7
             eslint: 7
           - node-version: 7
             eslint: 6
+          - node-version: 6
+            eslint: 8
           - node-version: 6
             eslint: 7
           - node-version: 6
             eslint: 6
+          - node-version: 5
+            eslint: 8
           - node-version: 5
             eslint: 7
           - node-version: 5
             eslint: 6
           - node-version: 5
             eslint: 5
+          - node-version: 4
+            eslint: 8
           - node-version: 4
             eslint: 7
           - node-version: 4

.nycrc

@@ -13,6 +13,7 @@
 		"tests",
 		"resolvers/*/test",
 		"scripts",
-		"memo-parser"
+		"memo-parser",
+		"lib"
 	]
 }

CHANGELOG.md

@@ -7,6 +7,7 @@ This change log adheres to standards from [Keep a CHANGELOG](http://keepachangel
 ## [Unreleased]
 
 ### Added
+- Support `eslint` v8 ([#2191], thanks [@ota-meshi])
 - [`no-unresolved`]: add `caseSensitiveStrict` option ([#1262], thanks [@sergei-startsev])
 - [`no-unused-modules`]: add eslint v8 support ([#2194], thanks [@coderaiser])
 - [`no-restricted-paths`]: add/restore glob pattern support ([#2219], thanks [@stropho])
@@ -924,6 +925,7 @@ for info on changes for earlier releases.
 [#2212]: https://github.com/import-js/eslint-plugin-import/pull/2212
 [#2196]: https://github.com/import-js/eslint-plugin-import/pull/2196
 [#2194]: https://github.com/import-js/eslint-plugin-import/pull/2194
+[#2191]: https://github.com/import-js/eslint-plugin-import/pull/2191
 [#2184]: https://github.com/import-js/eslint-plugin-import/pull/2184
 [#2179]: https://github.com/import-js/eslint-plugin-import/pull/2179
 [#2160]: https://github.com/import-js/eslint-plugin-import/pull/2160
@@ -1517,6 +1519,7 @@ for info on changes for earlier releases.
 [@noelebrun]: https://github.com/noelebrun
 [@ntdb]: https://github.com/ntdb
 [@nwalters512]: https://github.com/nwalters512
+[@ota-meshi]: https://github.com/ota-meshi
 [@panrafal]: https://github.com/panrafal
 [@paztis]: https://github.com/paztis
 [@pcorpet]: https://github.com/pcorpet

package.json

@@ -69,7 +69,8 @@
     "babylon": "^6.18.0",
     "chai": "^4.3.4",
     "cross-env": "^4.0.0",
-    "eslint": "^2 || ^3 || ^4 || ^5 || ^6 || ^7.2.0",
+    "escope": "^3.6.0",
+    "eslint": "^2 || ^3 || ^4 || ^5 || ^6 || ^7.2.0 || ^8",
     "eslint-import-resolver-node": "file:./resolvers/node",
     "eslint-import-resolver-typescript": "^1.0.2 || ^1.1.1",
     "eslint-import-resolver-webpack": "file:./resolvers/webpack",
@@ -95,7 +96,7 @@
     "typescript-eslint-parser": "^15 || ^22.0.0"
   },
   "peerDependencies": {
-    "eslint": "^2 || ^3 || ^4 || ^5 || ^6 || ^7.2.0"
+    "eslint": "^2 || ^3 || ^4 || ^5 || ^6 || ^7.2.0 || ^8"
   },
   "dependencies": {
     "array-includes": "^3.1.3",

tests/dep-time-travel.sh

@@ -34,3 +34,11 @@ if [[ "$TRAVIS_NODE_VERSION" -lt "8" ]]; then
   echo "Downgrading eslint-import-resolver-typescript..."
   npm i --no-save eslint-import-resolver-typescript@1.0.2
 fi
+
+if [ "${ESLINT_VERSION}" = '8' ]; then
+  # This is a workaround for the crash in the initial processing of the ESLint class.
+  echo "Installing self"
+  npm i --no-save eslint-plugin-import@'.' -f
+  echo "Build self"
+  npm run build
+fi

tests/src/cli.js

@@ -97,7 +97,7 @@ describe('CLI regression tests', function () {
                   },
                 ],
                 errorCount: 1,
-                ...(semver.satisfies(eslintPkg.version, '>= 7.32 || ^8.0.0-0') && {
+                ...(semver.satisfies(eslintPkg.version, '>= 7.32 || ^8.0.0') && {
                   fatalErrorCount: 0,
                 }),
                 warningCount: 0,