diff --git a/lefthook.yml b/lefthook.yml
new file mode 100644
index 000000000..ce5a2b80b
--- /dev/null
+++ b/lefthook.yml
@@ -0,0 +1,11 @@
+pre-commit:
+  parallel: true
+  jobs:
+    - name: prettier
+      run: npx prettier --write --ignore-unknown {staged_files}
+      stage_fixed: true
+
+pre-push:
+  jobs:
+    - name: test
+      run: npm test
diff --git a/prettier.config.mjs b/prettier.config.mjs
new file mode 100644
index 000000000..b7e7782bf
--- /dev/null
+++ b/prettier.config.mjs
@@ -0,0 +1,8 @@
+export default {
+  printWidth: 120,
+  tabWidth: 2,
+  useTabs: false,
+  semi: true,
+  singleQuote: true,
+  trailingComma: 'es5',
+};