Merge pull request #42 from tt-rss/bugfix/eslint-config-and-findings

Get ESLint 9.x working, make the new config stricter, address findings

1 files changed, 43 insertions, 0 deletions

diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 000000000..172f0ce21
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,43 @@
+import globals from 'globals';
+import js from '@eslint/js';
+import stylistic from '@stylistic/eslint-plugin';
+
+export default [
+  js.configs.recommended,
+
+  {
+    files: ['js/**/*.js', 'plugins/**/*.js'],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'script',
+      globals: {
+        ...globals.browser,
+
+        // Dojo
+        dojo: 'readonly',
+        dijit: 'readonly'
+      }
+    },
+
+    plugins: {
+      '@stylistic/js': stylistic
+    },
+
+    rules: {
+      'no-console': 'off',
+      'prefer-const': 'error',
+      'eqeqeq': ['error', 'always'],
+      'no-empty': ['error', { 'allowEmptyCatch': true }],
+
+      // Stylistic rules (replacing those deprecated in ESLint)
+      '@stylistic/js/linebreak-style': ['error', 'unix'],
+      '@stylistic/js/eol-last': 'error',
+      '@stylistic/js/no-trailing-spaces': 'error',
+      '@stylistic/js/no-multiple-empty-lines': ['error', { 'max': 2 }],
+      '@stylistic/js/keyword-spacing': ['error', { 'after': true, 'before': true }],
+      '@stylistic/js/block-spacing': ['error', 'always'],
+      '@stylistic/js/computed-property-spacing': ['error', 'never'],
+      '@stylistic/js/max-statements-per-line': ['warn', { 'max': 2 }]
+    }
+  }
+];