Improve check error performance by off-loading to worker thread w/ incremental compilation (#575)

shared/normalizePath.ts

@@ -0,0 +1,10 @@
+/**
+ * Normalize the path to use forward slashes instead of backslashes.
+ * This is important to prevent weird Git issues, particularly on Windows.
+ * @param path Source path.
+ * @returns Normalized path.
+ */
+
+export function normalizePath(path: string): string {
+  return path.replace(/\\/g, "/");
+}