Add script post build to check size of integration script is not too big

site/vite-iframe-script.config.ts

@@ -1,4 +1,5 @@
 import yaml from '@rollup/plugin-yaml'
+import { statSync } from 'fs'
 import path from 'path'
 import { defineConfig } from 'vite'
 import { VitePWA } from 'vite-plugin-pwa'
@@ -16,5 +17,25 @@ export default defineConfig({
 		},
 		emptyOutDir: false,
 	},
-	plugins: [yaml(), VitePWA({ disable: true })],
+	plugins: [
+		yaml(),
+		VitePWA({ disable: true }),
+		{
+			name: 'postbuild-commands',
+			closeBundle: () => {
+				// eslint-disable-next-line @typescript-eslint/no-misused-promises
+				setTimeout(() => {
+					const path = './dist/simulateur-iframe-integration.js'
+					const stats = statSync(path)
+
+					const limit = 5000
+					if (stats.size > limit) {
+						console.error(
+							`Failed to build ${path}, the built file looks too big! (${stats.size} > ${limit})`
+						)
+					}
+				}, 1000)
+			},
+		},
+	],
 })