Upgrade eslint

.github/dependabot.yml

@@ -33,6 +33,3 @@ updates:
       - dependency-name: 'strip-indent'
         update-types:
           - 'version-update:semver-major'
-      - dependency-name: 'eslint'
-        update-types:
-          - 'version-update:semver-major'

assets/js/search.js

@@ -145,6 +145,7 @@ export const getSearchData = () => {
       if (this.status >= 200 && this.status < 400) {
         try {
           data = JSON.parse(this.responseText);
+          // eslint-disable-next-line no-unused-vars
         } catch (e) {
           // swallow error
         }

eslint.config.js

@@ -0,0 +1,131 @@
+const babelParser = require('@babel/eslint-parser');
+const js = require('@eslint/js');
+const prettier = require('eslint-config-prettier');
+const importPlugin = require('eslint-plugin-import');
+const jest = require('eslint-plugin-jest');
+const jestDOM = require('eslint-plugin-jest-dom');
+const simpleImportSort = require('eslint-plugin-simple-import-sort');
+const globals = require('globals');
+
+module.exports = [
+  {
+    ignores: [
+      '.git/*',
+      '.nyc_output/*',
+      '.vscode/*',
+      '.yarn/*',
+      '.yarnrc.yml',
+      'coverage/*',
+      'dist/*',
+      'docs/*',
+      'herman/*',
+      'node_modules/*',
+    ],
+  },
+  js.configs.recommended,
+  importPlugin.flatConfigs.recommended,
+  prettier,
+  {
+    files: ['**/*.{js,mjs,cjs,ts,cts,mts}'],
+    languageOptions: {
+      parser: babelParser,
+      globals: {
+        ...globals.node,
+        ...globals.es2021,
+      },
+      parserOptions: {
+        sourceType: 'script',
+      },
+    },
+    settings: {
+      'import/resolver': {
+        node: {},
+        webpack: {
+          config: {
+            resolve: {
+              modules: ['templates/client', 'scss', 'node_modules'],
+              alias: {
+                jquery: 'jquery/dist/jquery.slim',
+                nunjucks: 'nunjucks/browser/nunjucks-slim',
+              },
+            },
+            resolveLoader: {
+              alias: {
+                sassjson: 'sass-json-loader',
+              },
+            },
+          },
+        },
+      },
+      'import/external-module-folders': ['node_modules'],
+    },
+    rules: {
+      'no-console': 1,
+      'no-warning-comments': ['warn', { terms: ['todo', 'fixme', '@@@'] }],
+      'import/first': 'warn',
+      'import/newline-after-import': 'warn',
+      'import/no-duplicates': ['error', { 'prefer-inline': true }],
+      'import/order': [
+        'warn',
+        { 'newlines-between': 'always', alphabetize: { order: 'asc' } },
+      ],
+      'import/named': 'warn',
+    },
+  },
+  {
+    files: ['assets/js/**/*.{js,mjs,cjs,ts,cts,mts}'],
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.commonjs,
+        ...globals.jquery,
+        ...globals.es2021,
+      },
+      parserOptions: {
+        sourceType: 'module',
+      },
+    },
+    plugins: { 'simple-import-sort': simpleImportSort },
+    rules: {
+      'simple-import-sort/imports': 'warn',
+      'simple-import-sort/exports': 'warn',
+      'import/order': 'off',
+    },
+  },
+  {
+    files: ['test/**/*.{js,ts}'],
+    languageOptions: {
+      globals: {
+        ...globals.mocha,
+        ...globals.es2021,
+      },
+    },
+    rules: {
+      'func-names': 'off',
+    },
+  },
+  {
+    files: ['test/clientjs/**/*.{js,ts}'],
+    languageOptions: {
+      globals: {
+        ...jest.environments.globals.globals,
+        ...globals.browser,
+        ...globals.jquery,
+        ...globals.es2021,
+      },
+      parserOptions: {
+        sourceType: 'module',
+      },
+    },
+    plugins: {
+      jest,
+      'jest-dom': jestDOM,
+      'simple-import-sort': simpleImportSort,
+    },
+    rules: {
+      'simple-import-sort/imports': 'warn',
+      'simple-import-sort/exports': 'warn',
+      'import/order': 'off',
+    },
+  },
+];

lib/annotations/access.js

@@ -5,7 +5,6 @@ const { isProse } = require('./../utils/prose');
 module.exports = (env) => {
   const defaultPrivatePrefixTest = RegExp.prototype.test.bind(/^[_-]/);
   const baseAccessFn =
-    // eslint-disable-next-line global-require
     require('sassdoc/dist/annotation/annotations/access').default;
   const baseAccess = baseAccessFn();
 

lib/annotations/example.js

@@ -25,7 +25,6 @@ const beautifyOpts = {
  */
 module.exports = (env) => {
   const baseExampleFn =
-    // eslint-disable-next-line global-require
     require('sassdoc/dist/annotation/annotations/example').default;
   const baseExample = baseExampleFn();
   let sass, sassCompilerPromise;
@@ -91,7 +90,6 @@ module.exports = (env) => {
                   const isString = typeof use === 'string';
                   const isObj = !isString && use.file && use.namespace;
                   if (isObj) {
-                    // eslint-disable-next-line max-len
                     sassData = `@use '${use.file}' as ${use.namespace};\n${sassData}`;
                   } else if (isString) {
                     sassData = `@use '${use}';\n${sassData}`;

lib/utils/sass.js

@@ -10,7 +10,6 @@ const getSassImplementation = (env) => {
   }
   const sassPkg = env.herman?.sass?.implementation ?? 'sass';
   try {
-    // eslint-disable-next-line global-require
     return require(sassPkg);
   } catch (err) /* istanbul ignore next */ {
     env.logger.warn(