chore: update dev dependencies

eslint.config.mjs

@@ -0,0 +1,34 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+import pluginJest from 'eslint-plugin-jest';
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  {
+    files: ['**/*.js', 'bin/xlf-translate'],
+    languageOptions: { sourceType: 'commonjs' },
+    rules: {
+      'indent': ['error', 4],
+      'linebreak-style': ['error', 'unix'],
+      'quotes': ['error', 'single'],
+      'semi': ['error', 'always'],
+      'no-console': 'off'
+    }
+  },
+  {
+    // update this to match your test files
+    files: ['**/*.spec.js', '**/*.test.js'],
+    plugins: { jest: pluginJest },
+    languageOptions: {
+      globals: pluginJest.environments.globals.globals,
+    },
+    rules: {
+      'jest/no-disabled-tests': 'warn',
+      'jest/no-focused-tests': 'error',
+      'jest/no-identical-title': 'error',
+      'jest/valid-expect': 'error',
+    },
+  },
+  { languageOptions: { globals: globals.browser } },
+  pluginJs.configs.recommended,
+];