From 2665c5598b6341fa3bd4160b9ad6b7b593520b4f Mon Sep 17 00:00:00 2001
From: Alf Eaton <alf.eaton@overleaf.com>
Date: Tue, 11 Jul 2023 14:38:09 +0100
Subject: [PATCH] [webpack] Define a minimal set of entrypoints (#13688)

GitOrigin-RevId: 1092a1e368834c19d26bde2e62cbb97bcaf1f25c
---
 services/web/webpack.config.dev.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/services/web/webpack.config.dev.js b/services/web/webpack.config.dev.js
index 59e260a1de..804276e2a6 100644
--- a/services/web/webpack.config.dev.js
+++ b/services/web/webpack.config.dev.js
@@ -7,6 +7,17 @@ process.env.REACT_REFRESH = '1'
 
 const base = require('./webpack.config')
 
+// if WEBPACK_ENTRYPOINTS is defined, remove any entrypoints that aren't included
+if (process.env.WEBPACK_ENTRYPOINTS) {
+  const entrypoints = new Set(process.env.WEBPACK_ENTRYPOINTS.split(/\s*,\s*/))
+  console.log(`Building entrypoints ${[...entrypoints].join(',')}`)
+  for (const entrypoint in base.entry) {
+    if (!entrypoints.has(entrypoint)) {
+      delete base.entry[entrypoint]
+    }
+  }
+}
+
 module.exports = merge(base, {
   mode: 'development',