From 5ea79463e7d8384c9823dea0eae8c03a82e7c5d1 Mon Sep 17 00:00:00 2001
From: Nathan Whitaker <nathan@deno.com>
Date: Mon, 16 Sep 2024 16:55:52 -0700
Subject: [PATCH] Fix zsh dot dir fallback

---
 src/shell.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/shell.ts b/src/shell.ts
index 162a29e8..dcec5307 100644
--- a/src/shell.ts
+++ b/src/shell.ts
@@ -155,7 +155,7 @@ export class Zsh implements UnixShell {
         "echo -n $ZDOTDIR",
       ]);
       const stdout = new TextDecoder().decode(output.stdout).trim();
-      zshDotDir = stdout;
+      zshDotDir = stdout.length > 0 ? stdout : undefined;
     }
 
     return zshDotDir;
@@ -189,7 +189,7 @@ export class Zsh implements UnixShell {
     const fpathSetup =
       `# Add deno completions to search path\nif [[ ":$FPATH:" != *":${completionDir}:"* ]]; then export FPATH="${completionDir}:$FPATH"; fi`;
 
-    const zshDotDir = await this.getZshDotDir() ?? homeDir;
+    const zshDotDir = (await this.getZshDotDir()) ?? homeDir;
     // try to figure out whether the user already has `compinit` being called
 
     let append: string | undefined;