From a3049e6ccf36f324d000d1736c2a87e97d83595a Mon Sep 17 00:00:00 2001
From: Brad Cornes <bradlc41@gmail.com>
Date: Wed, 13 Oct 2021 17:17:29 +0100
Subject: [PATCH] Configure `awaitWriteFinish` for chokidar (#5758)

* Configure `awaitWriteFinish` for chokidar

* Enable `awaitWriteFinish` on Windows only
---
 src/cli.js                          | 7 +++++++
 src/jit/lib/setupWatchingContext.js | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/src/cli.js b/src/cli.js
index 0c05a30d6e09..34e116e212e1 100644
--- a/src/cli.js
+++ b/src/cli.js
@@ -734,6 +734,13 @@ async function build() {
 
     watcher = chokidar.watch([...contextDependencies, ...extractFileGlobs(config)], {
       ignoreInitial: true,
+      awaitWriteFinish:
+        process.platform === 'win32'
+          ? {
+              stabilityThreshold: 50,
+              pollInterval: 10,
+            }
+          : false,
     })
 
     let chain = Promise.resolve()
diff --git a/src/jit/lib/setupWatchingContext.js b/src/jit/lib/setupWatchingContext.js
index edbf5fba5e6f..0b20f8bd6d34 100644
--- a/src/jit/lib/setupWatchingContext.js
+++ b/src/jit/lib/setupWatchingContext.js
@@ -84,6 +84,13 @@ function rebootWatcher(context, configPath, configDependencies, candidateFiles)
 
     watcher = chokidar.watch([...candidateFiles, ...configDependencies], {
       ignoreInitial: true,
+      awaitWriteFinish:
+        process.platform === 'win32'
+          ? {
+              stabilityThreshold: 50,
+              pollInterval: 10,
+            }
+          : false,
     })
 
     setWatcher(context, watcher)