standardise config, update comments

Author: goosewobbler

eslint.config.mjs

@@ -13,7 +13,7 @@ export default [
   {
     ignores: ['dist/**/*', 'compiled/**/*', 'bundle/**/*']
   },
-  // Temporary ignored dirs - remove on rewrite
+  // Temporary ignored dirs - TODO: remove on rewrite
   {
     ignores: ['main/signers/**/*']
   },
@@ -69,6 +69,7 @@ export default [
     }
   },
   // React / JSX files
+  // TODO: simplify as '**/*.{jsx,tsx}'
   {
     files: [
       'app/**/*.js',
@@ -119,7 +120,7 @@ export default [
   },
   // Test files
   {
-    files: ['test/**/*', '**/__mocks__/**/*'],
+    files: ['test/**/*.js', '**/__mocks__/**/*.js'],
     plugins: {
       jest
     },
@@ -135,7 +136,7 @@ export default [
   },
   // Components test files
   {
-    files: ['test/app/**/*.js', 'test/resources/Components/**/*.js', 'app/**/__mocks__/**'],
+    files: ['test/app/**/*.js', 'test/resources/Components/**/*.js', 'app/**/__mocks__/**/*.js'],
     plugins: {
       'testing-library': testingLibrary
     },