Moving flat configuration format for eslint.

eslint.config.mjs

@@ -1,102 +1,48 @@
-import globals from 'globals'
-import tsParser from '@typescript-eslint/parser'
-import path from 'node:path'
-import { fileURLToPath } from 'node:url'
-import js from '@eslint/js'
-import { FlatCompat } from '@eslint/eslintrc'
-
-const __filename = fileURLToPath(import.meta.url)
-const __dirname = path.dirname(__filename)
-const compat = new FlatCompat({
-    baseDirectory: __dirname,
-    recommendedConfig: js.configs.recommended,
-    allConfig: js.configs.all
-})
-
-export default [
+import eslintJS from '@eslint/js'
+import eslintTS from 'typescript-eslint'
+import pluginPrettier from 'eslint-plugin-prettier/recommended'
+import pluginSecurity from 'eslint-plugin-security'
+import pluginJest from 'eslint-plugin-jest'
+
+export default eslintTS.config(
+    eslintJS.configs.recommended,
+    ...eslintTS.configs.strictTypeChecked,
+    pluginJest.configs['flat/recommended'],
+    pluginSecurity.configs.recommended,
     {
-        ignores: ['coverage/*', 'src/sjcl/index.js', 'src/sjcl/index.d.ts', 'lib/*']
+        ignores: [
+            'jest.config.mjs',
+            'eslint.config.mjs',
+            'coverage/*',
+            'src/groupSjcl.ts',
+            'src/sjcl/index.js',
+            'src/sjcl/index.d.ts',
+            'lib/*'
+        ]
     },
-    ...compat.extends(
-        'eslint:recommended',
-        'plugin:security/recommended-legacy',
-        'plugin:prettier/recommended'
-    ),
     {
         languageOptions: {
-            globals: {
-                ...globals.browser,
-                ...globals.node
-            },
-
-            ecmaVersion: 2020,
             sourceType: 'module',
-
             parserOptions: {
-                project: true
+                project: true,
+                tsconfigRootDir: import.meta.dirname
             }
-        }
-    },
-    ...compat
-        .extends(
-            'plugin:@typescript-eslint/eslint-recommended',
-            'plugin:@typescript-eslint/recommended',
-            'plugin:jest-formatting/recommended',
-            'plugin:jest/recommended',
-            'prettier'
-        )
-        .map((config) => ({
-            ...config,
-            files: ['**/*.ts']
-        })),
-    {
-        files: ['**/*.ts'],
-
-        languageOptions: {
-            parser: tsParser,
-            ecmaVersion: 2020,
-            sourceType: 'module'
         },
-
         rules: {
-            'max-lines-per-function': [
-                'warn',
-                {
-                    max: 100,
-                    skipComments: true,
-                    skipBlankLines: true
-                }
-            ],
-
-            'max-statements': ['warn', 50],
-            'max-params': ['warn', 5],
-            'no-loop-func': 'warn',
-            'max-lines': 'off',
-            'no-ternary': 'off',
-            'no-inline-comments': 'off',
-            'line-comment-position': 'off',
-            'no-magic-numbers': 'off',
-            'id-length': 'off',
-            'max-classes-per-file': 'off',
-            'sort-keys': 'off',
-            'sort-vars': 'off',
-            'no-bitwise': 'off',
-            'no-plusplus': 'off',
-            'capitalized-comments': 'off',
-            'multiline-comment-style': 'off',
-            'func-style': ['error', 'declaration'],
-            'one-var': ['error', 'never'],
             '@typescript-eslint/no-namespace': 'warn',
-
-            '@typescript-eslint/no-unused-vars': [
-                'error',
+            "@typescript-eslint/no-unused-vars": [
+                "error",
                 {
-                    argsIgnorePattern: '^_'
+                    "args": "all",
+                    "argsIgnorePattern": "^_",
+                    "caughtErrors": "all",
+                    "varsIgnorePattern": "^_"
                 }
             ],
-
             '@typescript-eslint/consistent-type-imports': 'error',
-            '@typescript-eslint/consistent-type-exports': 'error'
+            '@typescript-eslint/consistent-type-exports': 'error',
+            '@typescript-eslint/restrict-template-expressions': 'off'
         }
-    }
-]
+    },
+    pluginPrettier
+)

examples/facade/index.ts

@@ -150,16 +150,23 @@ export async function facadeVoprfExample(Oprf: OprfApi, suite: SuiteID = Oprf.Su
 }
 
 async function main() {
-    if (typeof crypto === 'undefined') {
-        Object.assign(global, { crypto: webcrypto })
+    try {
+        if (typeof crypto === 'undefined') {
+            Object.assign(global, { crypto: webcrypto })
+        }
+        await facadeOprfExample(Oprf)
+        await facadeVoprfExample(Oprf)
+
+        // This suite requires the noble crypto provider as sjcl doesn't support
+        // ristretto.
+        const OprfNoble = Oprf.withConfig({ crypto: CryptoNoble })
+        await facadePoprfExample(OprfNoble, Oprf.Suite.RISTRETTO255_SHA512)
+    } catch (_e: unknown) {
+        const e = _e as Error
+        console.log(`Error: ${e.message}`)
+        console.log(`Stack: ${e.stack}`)
+        process.exit(1)
     }
-    await facadeOprfExample(Oprf)
-    await facadeVoprfExample(Oprf)
-
-    // This suite requires the noble crypto provider as sjcl doesn't support
-    // ristretto.
-    const OprfNoble = Oprf.withConfig({ crypto: CryptoNoble })
-    await facadePoprfExample(OprfNoble, Oprf.Suite.RISTRETTO255_SHA512)
 }
 
-main().catch(console.error)
+void main()

examples/index.ts

@@ -18,7 +18,8 @@ async function examples() {
     await poprfExample()
 }
 
-examples().catch((e: Error) => {
+examples().catch((_e: unknown) => {
+    const e = _e as Error
     console.log(`Error: ${e.message}`)
     console.log(`Stack: ${e.stack}`)
     process.exit(1)