Handle long paths in native-preview tsgo entrypoint (#2448)

jakebailey · web-flow · commit 0f7cc3dd0ffa · 2026-01-09T23:10:08.000Z
diff --git a/_packages/native-preview/lib/getExePath.js b/_packages/native-preview/lib/getExePath.js
@@ -41,7 +41,13 @@ export default function getExePath() {
         }
     }
 
-    const exe = path.join(exeDir, "tsgo" + (process.platform === "win32" ? ".exe" : ""));
+    let exe = path.join(exeDir, "tsgo");
+    if (process.platform === "win32") {
+        exe += ".exe";
+        if (exe.length >= 248) {
+            exe = "\\\\?\\" + exe;
+        }
+    }
 
     if (!fs.existsSync(exe)) {
         throw new Error("Executable not found: " + exe);

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,13 @@ export default function getExePath() {`
`41`	`41`	`}`
`42`	`42`	`}`
`43`	`43`
`44`		`- const exe = path.join(exeDir, "tsgo" + (process.platform === "win32" ? ".exe" : ""));`
	`44`	`+ let exe = path.join(exeDir, "tsgo");`
	`45`	`+ if (process.platform === "win32") {`
	`46`	`+ exe += ".exe";`
	`47`	`+ if (exe.length >= 248) {`
	`48`	`+ exe = "\\\\?\\" + exe;`
	`49`	`+ }`
	`50`	`+ }`
`45`	`51`
`46`	`52`	`if (!fs.existsSync(exe)) {`
`47`	`53`	`throw new Error("Executable not found: " + exe);`