Modern linting from eslint

Author: microbit-matt-hillsdon

.gitignore

@@ -13,7 +13,7 @@ lib-fesm
 fesm
 umd
 bundles
-dist
+dist/
 
 ## this is generated by `npm pack`
 *.tgz

eslint.config.mjs

@@ -0,0 +1,18 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+import tseslint from 'typescript-eslint';
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  { ignores: ['docs', 'coverage', 'dist', 'src/types'] },
+  { files: ['**/*.{js,mjs,cjs,ts}'] },
+  { languageOptions: { globals: { ...globals.browser, ...globals.node } } },
+  pluginJs.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    rules: {
+      '@typescript-eslint/ban-ts-comment': 'off',
+      'no-prototype-builtins': 'off',
+    },
+  },
+];