From eb52bbd9d3c096e0f5c54a10fd1c4d729ad48961 Mon Sep 17 00:00:00 2001
From: Jerry Chae <mcchae@JMBA15.local>
Date: Wed, 13 May 2026 20:03:18 +0900
Subject: [PATCH] =?UTF-8?q?npm=20=EC=97=86=EC=9C=BC=EB=A9=B4=20=EC=84=A4?=
 =?UTF-8?q?=EC=B9=98?=
MIME-Version: 1.0
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---
 install-pi.ps1 | 32 +++++++++++++++++++++++++++++++-
 install-pi.sh  | 45 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+), 1 deletion(-)

diff --git a/install-pi.ps1 b/install-pi.ps1
index ae34750..24501b2 100644
--- a/install-pi.ps1
+++ b/install-pi.ps1
@@ -79,7 +79,37 @@ function ErrExit { Write-Host "[ERROR] $args" -ForegroundColor Red; exit 1 }
 Info "Platform: $([System.Environment]::OSVersion.Platform) ($([System.Environment]::GetEnvironmentVariable('PROCESSOR_ARCHITECTURE')))"
 
 if (-not (Get-Command npm -ErrorAction SilentlyContinue)) {
-    ErrExit "npm is required. Install Node.js 18+: https://nodejs.org/"
+    Info "npm is not installed. Installing Node.js (includes npm) via winget..."
+
+    if (-not (Get-Command winget -ErrorAction SilentlyContinue)) {
+        ErrExit "Neither npm nor winget is available. Install Node.js 18+ manually: https://nodejs.org/"
+    }
+
+    winget install --id OpenJS.NodeJS.LTS --accept-package-agreements --accept-source-agreements 2>&1 | Out-Null
+
+    # Refresh PATH and verify npm is now available
+    $env:Path = [System.Environment]::GetEnvironmentVariable('Path', 'User') + ';' + [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
+
+    if (-not (Get-Command npm -ErrorAction SilentlyContinue)) {
+        # Search common Node.js install paths
+        $nodePaths = @(
+            (Join-Path $env:ProgramFiles 'nodejs'),
+            (Join-Path $env:ProgramFiles(x86) 'nodejs'),
+            (Join-Path $env:LOCALAPPDATA 'Programs\nodejs')
+        )
+        foreach ($np in $nodePaths) {
+            if ((Test-Path $np) -and ($env:Path -notlike "*$np*")) {
+                $env:Path = "$np;$env:Path"
+                break
+            }
+        }
+    }
+
+    if (-not (Get-Command npm -ErrorAction SilentlyContinue)) {
+        ErrExit "Node.js installation completed but npm not found. Please restart your terminal and run this script again."
+    }
+
+    Success "Node.js installed via winget"
 }
 
 # ────────────────────────────────────────────
diff --git a/install-pi.sh b/install-pi.sh
index 4af7374..928f6c8 100755
--- a/install-pi.sh
+++ b/install-pi.sh
@@ -58,6 +58,51 @@ for cmd in curl; do
 	command -v "$cmd" &>/dev/null || error "'$cmd' is required."
 done
 
+# Check for Node.js (npm) — install if missing
+if ! command -v npm &>/dev/null; then
+	info "npm is not installed. Installing Node.js..."
+	case "$OS" in
+	Darwin)
+		if command -v brew &>/dev/null; then
+			brew install node
+			success "Node.js installed via Homebrew"
+		else
+			error "Homebrew (brew) is required to install Node.js on macOS. Install it from https://brew.sh/"
+		fi
+		;;
+	Linux)
+		if command -v apt-get &>/dev/null; then
+			sudo apt-get update -y && sudo apt-get install -y nodejs npm
+			success "Node.js installed via apt-get"
+		elif command -v dnf &>/dev/null; then
+			sudo dnf install -y nodejs
+			success "Node.js installed via dnf"
+		elif command -v yum &>/dev/null; then
+			sudo yum install -y nodejs
+			success "Node.js installed via yum"
+		elif command -v zypper &>/dev/null; then
+			sudo zypper -n install nodejs npm
+			success "Node.js installed via zypper"
+		elif command -v pacman &>/dev/null; then
+			sudo pacman -S --noconfirm nodejs npm
+			success "Node.js installed via pacman"
+		else
+			error "No supported package manager found. Install Node.js 18+ manually: https://nodejs.org/"
+		fi
+		;;
+	*)
+		error "Cannot auto-install Node.js on this OS. Install Node.js 18+ manually: https://nodejs.org/"
+		;;
+	esac
+
+	# Verify npm is now available
+	if ! command -v npm &>/dev/null; then
+		error "Node.js installation completed but npm not found. Install Node.js 18+ manually: https://nodejs.org/"
+	fi
+fi
+
+info "npm is available: $(command -v npm)"
+
 # ────────────────────────────────────────────
 # Detect OS / Architecture
 # ────────────────────────────────────────────