Add initial files

.nano-staged.mjs

@@ -0,0 +1,24 @@
+import {resolve, sep} from 'path';
+
+export default {
+  '*.{js,mjs,cjs,ts,mts,cts,vue}': 'eslint --cache --fix',
+
+  /**
+   * Run typechecking if any type-sensitive files or project dependencies was changed
+   * @param {string[]} filenames
+   * @return {string[]}
+   */
+  '{package-lock.json,packages/**/{*.ts,*.vue,tsconfig.json}}': ({filenames}) => {
+    // if dependencies was changed run type checking for all packages
+    if (filenames.some(f => f.endsWith('package-lock.json'))) {
+      return ['npm run typecheck --if-present'];
+    }
+
+    // else run type checking for staged packages
+    const fileNameToPackageName = filename =>
+      filename.replace(resolve(process.cwd(), 'packages') + sep, '').split(sep)[0];
+    return [...new Set(filenames.map(fileNameToPackageName))].map(
+      p => `npm run typecheck:${p} --if-present`,
+    );
+  },
+};