Make treeshaking work on windows (#155952)

2 files changed, 4 insertions, 0 deletions

diff --git a/build/lib/treeshaking.js b/build/lib/treeshaking.js
index 8fc5930c024..9a11c6fd9cc 100644
--- a/build/lib/treeshaking.js
+++ b/build/lib/treeshaking.js
@@ -89,6 +89,8 @@ function discoverAndReadFiles(ts, options) {
     const in_queue = Object.create(null);
     const queue = [];
     const enqueue = (moduleId) => {
+        // To make the treeshaker work on windows...
+        moduleId = moduleId.replace(/\\/g, '/');
         if (in_queue[moduleId]) {
             return;
         }
diff --git a/build/lib/treeshaking.ts b/build/lib/treeshaking.ts
index 1d2e1bd4381..eb4f6f7767a 100644
--- a/build/lib/treeshaking.ts
+++ b/build/lib/treeshaking.ts
@@ -142,6 +142,8 @@ function discoverAndReadFiles(ts: typeof import('typescript'), options: ITreeSha
 	const queue: string[] = [];
 
 	const enqueue = (moduleId: string) => {
+		// To make the treeshaker work on windows...
+		moduleId = moduleId.replace(/\\/g, '/');
 		if (in_queue[moduleId]) {
 			return;
 		}