Migrate eslint config

Author: core23

assets/.eslintrc.js

@@ -0,0 +1,43 @@
+const {
+    defineConfig,
+} = require("eslint/config");
+
+const babelParser = require("@babel/eslint-parser");
+
+const {
+    fixupConfigRules,
+    fixupPluginRules,
+} = require("@eslint/compat");
+
+const globals = require("globals");
+const _import = require("eslint-plugin-import");
+const js = require("@eslint/js");
+
+const {
+    FlatCompat,
+} = require("@eslint/eslintrc");
+
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+module.exports = defineConfig([{
+    languageOptions: {
+        parser: babelParser,
+
+        globals: {
+            ...globals.browser,
+        },
+    },
+
+    extends: fixupConfigRules(compat.extends("eslint:recommended", "plugin:import/warnings", "prettier")),
+
+    plugins: {
+        import: fixupPluginRules(_import),
+    },
+}, {
+    files: ["test/*.js"],
+    extends: compat.extends("plugin:jest/recommended"),
+}]);

assets/eslint.config.js

@@ -38,6 +38,7 @@
         "@babel/plugin-proposal-class-properties": "^7.16.7",
         "@babel/plugin-transform-runtime": "^7.18.2",
         "@babel/preset-env": "^7.18.2",
+        "@eslint/compat": "^1.4.0",
         "@hotwired/stimulus": "^3.0.1",
         "@size-limit/esbuild": "^11.1.4",
         "@size-limit/preset-small-lib": "^11.1.4",
@@ -46,6 +47,7 @@
         "eslint-config-prettier": "^10.0.0",
         "eslint-plugin-import": "^2.27.5",
         "eslint-plugin-jest": "^28.0.0",
+        "globals": "^15.15.0",
         "prettier": "^3.0.0",
         "sass": "^1.57.1",
         "sass-loader": "^16.0.0",

assets/package.json

@@ -1162,6 +1162,13 @@
   resolved "https://registry.yarnpkg.com/@eslint-community/regexpp/-/regexpp-4.12.1.tgz#cfc6cffe39df390a3841cde2abccf92eaa7ae0e0"
   integrity sha512-CCZCDJuduB9OUkFkY2IgppNZMi2lBQgD2qzwXkEia16cge2pijY/aXi96CJMquDMn3nJdlPV1A5KrJEXwfLNzQ==
 
+"@eslint/compat@^1.4.0":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/@eslint/compat/-/compat-1.4.0.tgz#6d6b2f198ddfecda3d4cbd5a6e9324fca54f2dfb"
+  integrity sha512-DEzm5dKeDBPm3r08Ixli/0cmxr8LkRdwxMRUIJBlSCpAwSrvFEJpVBzV+66JhDxiaqKxnRzCXhtiMiczF7Hglg==
+  dependencies:
+    "@eslint/core" "^0.16.0"
+
 "@eslint/config-array@^0.21.0":
   version "0.21.0"
   resolved "https://registry.yarnpkg.com/@eslint/config-array/-/config-array-0.21.0.tgz#abdbcbd16b124c638081766392a4d6b509f72636"
@@ -3371,6 +3378,11 @@ globals@^14.0.0:
   resolved "https://registry.yarnpkg.com/globals/-/globals-14.0.0.tgz#898d7413c29babcf6bafe56fcadded858ada724e"
   integrity sha512-oahGvuMGQlPw/ivIYBjVSrWAfWLBeku5tpPE2fOPLi+WHffIWbuh2tCjhyQhTBPMf5E9jDEH4FOmTYgYwbKwtQ==
 
+globals@^15.15.0:
+  version "15.15.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-15.15.0.tgz#7c4761299d41c32b075715a4ce1ede7897ff72a8"
+  integrity sha512-7ACyT3wmyp3I61S4fG682L0VA2RGD9otkqGJIwNUMF1SWUombIIk+af1unuDYgMm082aHYwD+mzJvv9Iu8dsgg==
+
 globalthis@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/globalthis/-/globalthis-1.0.4.tgz#7430ed3a975d97bfb59bcce41f5cabbafa651236"