diff --git a/.prettierrc.js b/.prettierrc.js
new file mode 100644
index 0000000..e23377f
--- /dev/null
+++ b/.prettierrc.js
@@ -0,0 +1,5 @@
+module.exports = {
+  printWidth: 120,
+  trailingComma: 'all',
+  singleQuote: true,
+};