From f1e31682c8e270a163cb43c60ea657c07905e1b7 Mon Sep 17 00:00:00 2001
From: Brad Cornes <bradlc41@gmail.com>
Date: Mon, 7 Jun 2021 18:49:38 +0100
Subject: [PATCH] cleanup old contexts in config hash map (#4571)

---
 src/jit/lib/setupContextUtils.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/jit/lib/setupContextUtils.js b/src/jit/lib/setupContextUtils.js
index ec8af952c255..8a41d0b3c1d6 100644
--- a/src/jit/lib/setupContextUtils.js
+++ b/src/jit/lib/setupContextUtils.js
@@ -558,6 +558,11 @@ export function getContext(
       contextSourcesMap.get(oldContext).delete(sourcePath)
       if (contextSourcesMap.get(oldContext).size === 0) {
         contextSourcesMap.delete(oldContext)
+        for (let [tailwindConfigHash, context] of configContextMap) {
+          if (context === oldContext) {
+            configContextMap.delete(tailwindConfigHash)
+          }
+        }
         for (let disposable of oldContext.disposables.splice(0)) {
           disposable(oldContext)
         }