diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 000000000..19887a17d
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,6 @@
+examples/**/*.ts
+tests/*/expected/**/*.ts
+tests/*/generated/**/*.ts
+*.md
+*.yaml
+*.yml
diff --git a/jest.config.js b/jest.config.js
index 4a5b465ec..a93551fca 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,4 +1,4 @@
 module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'node',
+  preset: "ts-jest",
+  testEnvironment: "node",
 };
diff --git a/package.json b/package.json
index f781afebe..2cecc1b61 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
   "scripts": {
     "build": "pika-pack build",
     "deploy": "npm run build && pika publish",
+    "format": "yarn prettier -w .",
     "lint": "eslint --ignore-path .gitignore --ext .js,.ts src",
     "pregenerate": "npm run build",
     "test": "npm run build && jest",