Actually run linter on .svelte files

.eslintrc.cjs

@@ -1,13 +1,25 @@
 module.exports = {
-  extends: 'standard-with-typescript',
   parser: '@typescript-eslint/parser',
-  parserOptions: { // add these parser options
+  parserOptions: {
-    project: ['./tsconfig.json']
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+    extraFileExtensions: ['.svelte']
   },
+  extends: ['standard-with-typescript'],
   plugins: [
     'svelte3',
     '@typescript-eslint'
   ],
+  // Disable these rules: import/first, import/no-duplicates, import/no-mutable-exports, import/no-unresolved, import/prefer-default-export
+  // Reference: https://github.com/sveltejs/eslint-plugin-svelte3/blob/master/OTHER_PLUGINS.md#eslint-plugin-import
+  rules: {
+    'import/first': 'off',
+    'import/no-duplicates': 'off',
+    'import/no-mutable-exports': 'off',
+    'import/no-unresolved': 'off',
+    'import/prefer-default-export': 'off',
+    'no-multiple-empty-lines': ['error', { max: 2, maxBOF: 2, maxEOF: 0 }] // See: https://github.com/sveltejs/eslint-plugin-svelte3/issues/41
+  },
   overrides: [
     {
       files: [