diff --git a/precompile-schemas/index.js b/precompile-schemas/index.js
index 9999931..ef519c8 100644
--- a/precompile-schemas/index.js
+++ b/precompile-schemas/index.js
@@ -8,6 +8,7 @@ const glob = require("glob");
 const findCommonDir = require("commondir");
 const { pathToFileURL, fileURLToPath } = require("url");
 const processSchema = require("../lib/process-schema");
+const prettier = require("prettier");
 const terser = require("terser");
 const { default: Ajv, _, Name } = require("ajv");
 const standaloneCode = require("ajv/dist/standalone").default;
@@ -126,6 +127,13 @@ const postprocess = async (code) => {
 		})
 	).code;
 
+	// format to enable diff merging
+	code = prettier.format(code, {
+		parser: "typescript",
+		printWidth: 200,
+		tabWidth: 0,
+	});
+
 	// banner
 	code = `/*
  * This file was automatically generated.