From 86073384bfa0ba855b431fd3af2e5c1a06fa75bf Mon Sep 17 00:00:00 2001
From: Lazizbek Ergashev <lazerg2@gmail.com>
Date: Wed, 26 Aug 2026 19:47:50 +0500
Subject: [PATCH 1/2] fix(cli): don't crash when the public IP can't be
 resolved

---
 packages/slidev/node/cli.ts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/packages/slidev/node/cli.ts b/packages/slidev/node/cli.ts
index 51519b9e9d..7b0a0d8c02 100644
--- a/packages/slidev/node/cli.ts
+++ b/packages/slidev/node/cli.ts
@@ -203,8 +203,14 @@ cli.command(
       }
 
       let publicIp: string | undefined
-      if (remote)
-        publicIp = await import('public-ip').then(r => r.publicIpv4())
+      if (remote) {
+        try {
+          publicIp = await import('public-ip').then(r => r.publicIpv4())
+        }
+        catch {
+          console.log(yellow('\n  Could not determine the public IP address.\n'))
+        }
+      }
 
       lastRemoteUrl = printInfo(options, port, base, remote, tunnelUrl, publicIp)
       if (open)
@@ -278,7 +284,7 @@ cli.command(
               const code = r.renderUnicodeCompact(lastRemoteUrl!)
               console.log(`\n${dim('  QR Code for remote control: ')}\n  ${blue(lastRemoteUrl!)}\n`)
               console.log(code.split('\n').map(i => `  ${i}`).join('\n'))
-              const publicIp = await import('public-ip').then(r => r.publicIpv4())
+              const publicIp = await import('public-ip').then(r => r.publicIpv4()).catch(() => undefined)
               if (publicIp)
                 console.log(`\n${dim(' Public IP: ')}  ${blue(publicIp)}\n`)
             })

From 6bd3463963f4eef872c3148046be72017c336961 Mon Sep 17 00:00:00 2001
From: Lazizbek Ergashev <lazerg2@gmail.com>
Date: Wed, 26 Aug 2026 20:00:13 +0500
Subject: [PATCH 2/2] refactor(cli): share the public IP lookup between both
 call sites

---
 packages/slidev/node/cli.ts | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/packages/slidev/node/cli.ts b/packages/slidev/node/cli.ts
index 7b0a0d8c02..cc33038252 100644
--- a/packages/slidev/node/cli.ts
+++ b/packages/slidev/node/cli.ts
@@ -203,14 +203,8 @@ cli.command(
       }
 
       let publicIp: string | undefined
-      if (remote) {
-        try {
-          publicIp = await import('public-ip').then(r => r.publicIpv4())
-        }
-        catch {
-          console.log(yellow('\n  Could not determine the public IP address.\n'))
-        }
-      }
+      if (remote)
+        publicIp = await resolvePublicIp()
 
       lastRemoteUrl = printInfo(options, port, base, remote, tunnelUrl, publicIp)
       if (open)
@@ -229,6 +223,15 @@ cli.command(
       }
     }
 
+    async function resolvePublicIp() {
+      try {
+        return await import('public-ip').then(r => r.publicIpv4())
+      }
+      catch {
+        console.log(yellow('\n  Could not determine the public IP address.\n'))
+      }
+    }
+
     async function openTunnel(port: number) {
       const { startTunnel } = await import('untun')
       const tunnel = await startTunnel({
@@ -284,7 +287,7 @@ cli.command(
               const code = r.renderUnicodeCompact(lastRemoteUrl!)
               console.log(`\n${dim('  QR Code for remote control: ')}\n  ${blue(lastRemoteUrl!)}\n`)
               console.log(code.split('\n').map(i => `  ${i}`).join('\n'))
-              const publicIp = await import('public-ip').then(r => r.publicIpv4()).catch(() => undefined)
+              const publicIp = await resolvePublicIp()
               if (publicIp)
                 console.log(`\n${dim(' Public IP: ')}  ${blue(publicIp)}\n`)
             })