Rebuild native addons
📦 Node.js-> Command Line
✨ The Prompt Phrase
npm rebuild
💻 Code Preview
📦 All-in-One Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Rebuild native addons - Interactive Tutorial</title>
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;900&family=Fira+Code:wght@400;500;600&display=swap" rel="stylesheet">
<style>
:root {
--bg-primary: #0a0e27;
--bg-secondary: #151932;
--bg-card: #1e2139;
--accent-purple: #a855f7;
--accent-blue: #3b82f6;
--accent-green: #10b981;
--accent-red: #ef4444;
--accent-yellow: #f59e0b;
--accent-pink: #ec4899;
--accent-cyan: #06b6d4;
--accent-emerald: #10b981;
--text-primary: #f8fafc;
--text-secondary: #94a3b8;
--gradient-rebuild: linear-gradient(135deg, #10b981 0%, #059669 100%);
--gradient-build: linear-gradient(135deg, #059669 0%, #047857 100%);
--shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Poppins', sans-serif;
background: var(--bg-primary);
color: var(--text-primary);
line-height: 1.6;
overflow-x: hidden;
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 20px;
}
.progress-container {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 5px;
background: var(--bg-secondary);
z-index: 1000;
}
.progress-bar {
height: 100%;
background: var(--gradient-rebuild);
width: 0%;
transition: width 0.3s ease;
}
.hero {
text-align: center;
padding: 100px 20px;
background: var(--gradient-rebuild);
position: relative;
overflow: hidden;
border-radius: 0 0 50px 50px;
}
.hero::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
animation: float 20s linear infinite;
}
@keyframes float {
from { transform: translateY(0); }
to { transform: translateY(-100px); }
}
.hero-content {
position: relative;
z-index: 1;
}
.rebuild-icon {
font-size: 5rem;
margin-bottom: 20px;
animation: rebuildSpin 4s ease-in-out infinite;
}
@keyframes rebuildSpin {
0%, 100% { transform: rotate(0deg) scale(1); }
25% { transform: rotate(90deg) scale(1.1); }
50% { transform: rotate(180deg) scale(1); }
75% { transform: rotate(270deg) scale(1.1); }
}
.command-display {
display: inline-block;
background: rgba(0, 0, 0, 0.4);
padding: 25px 40px;
border-radius: 15px;
font-family: 'Fira Code', monospace;
font-size: 1.5rem;
margin: 30px 0;
border: 3px solid rgba(255, 255, 255, 0.3);
animation: pulse 2s ease-in-out infinite;
color: white;
font-weight: 600;
}
@keyframes pulse {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.05); }
}
.hero h1 {
font-size: 3.5rem;
font-weight: 900;
margin-bottom: 20px;
color: white;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.hero p {
font-size: 1.4rem;
opacity: 0.95;
color: white;
}
.section {
margin: 60px 0;
}
.section-title {
font-size: 2.5rem;
margin-bottom: 30px;
background: var(--gradient-rebuild);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
display: inline-block;
font-weight: 700;
}
.card {
background: var(--bg-card);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
box-shadow: var(--shadow);
border: 1px solid rgba(255, 255, 255, 0.05);
transition: transform 0.3s ease;
}
.card:hover {
transform: translateY(-5px);
}
.code-block {
background: #1e1e1e;
border-radius: 15px;
padding: 25px;
margin: 20px 0;
font-family: 'Fira Code', monospace;
position: relative;
}
.code-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 15px;
padding-bottom: 15px;
border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.terminal-dots {
display: flex;
gap: 6px;
}
.terminal-dot {
width: 12px;
height: 12px;
border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }
.copy-btn {
background: var(--accent-purple);
color: white;
border: none;
padding: 8px 16px;
border-radius: 8px;
cursor: pointer;
font-size: 0.9rem;
transition: all 0.3s ease;
}
.copy-btn:hover {
background: var(--accent-blue);
transform: scale(1.05);
}
.copy-btn.copied {
background: var(--accent-green);
}
pre {
margin: 0;
overflow-x: auto;
}
code {
color: #e0e0e0;
font-size: 0.95rem;
line-height: 1.8;
}
.code-comment { color: #6a9955; }
.code-string { color: #ce9178; }
.code-keyword { color: #569cd6; }
.code-npm { color: #cb3837; font-weight: 600; }
.code-rebuild { color: #10b981; font-weight: 600; }
.steps {
counter-reset: step-counter;
}
.step {
background: var(--bg-secondary);
border-radius: 15px;
padding: 30px;
margin: 20px 0;
position: relative;
padding-left: 100px;
transition: all 0.3s ease;
}
.step:hover {
background: var(--bg-card);
transform: translateX(10px);
}
.step::before {
counter-increment: step-counter;
content: counter(step-counter);
position: absolute;
left: 20px;
top: 50%;
transform: translateY(-50%);
width: 60px;
height: 60px;
background: var(--gradient-rebuild);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.8rem;
font-weight: 900;
color: white;
}
.step h3 {
color: var(--accent-emerald);
margin-bottom: 10px;
font-size: 1.5rem;
}
.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 25px;
margin: 30px 0;
}
.feature-card {
background: var(--bg-secondary);
padding: 30px;
border-radius: 15px;
text-align: center;
transition: all 0.3s ease;
border: 2px solid transparent;
}
.feature-card:hover {
border-color: var(--accent-green);
transform: translateY(-10px);
}
.feature-icon {
font-size: 3.5rem;
margin-bottom: 15px;
}
.feature-title {
font-weight: 600;
color: var(--accent-green);
margin-bottom: 10px;
font-size: 1.3rem;
}
.demo-container {
background: var(--bg-secondary);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
}
.scenario-box {
background: var(--bg-card);
padding: 25px;
border-radius: 15px;
margin: 20px 0;
border-left: 4px solid var(--accent-green);
}
.terminal {
background: #1e1e1e;
border-radius: 15px;
padding: 20px;
font-family: 'Fira Code', monospace;
min-height: 250px;
margin: 20px 0;
overflow-y: auto;
max-height: 500px;
}
.terminal-line {
margin: 10px 0;
}
.terminal-prompt {
color: var(--accent-green);
}
.demo-button {
background: var(--gradient-rebuild);
color: white;
border: none;
padding: 15px 40px;
border-radius: 50px;
font-size: 1.1rem;
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
display: inline-flex;
align-items: center;
gap: 10px;
margin: 10px;
}
.demo-button:hover {
transform: scale(1.05);
box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
}
.tabs {
display: flex;
gap: 10px;
margin-bottom: 20px;
flex-wrap: wrap;
}
.tab {
padding: 12px 24px;
background: var(--bg-secondary);
border: none;
border-radius: 10px;
color: var(--text-primary);
cursor: pointer;
transition: all 0.3s ease;
font-size: 1rem;
}
.tab:hover {
background: var(--bg-card);
}
.tab.active {
background: var(--gradient-rebuild);
color: white;
}
.tab-content {
display: none;
}
.tab-content.active {
display: block;
}
.accordion-header {
cursor: pointer;
display: flex;
justify-content: space-between;
align-items: center;
padding: 20px;
background: var(--bg-secondary);
border-radius: 12px;
margin: 15px 0;
transition: all 0.3s ease;
}
.accordion-header:hover {
background: var(--bg-card);
}
.accordion-icon {
transition: transform 0.3s ease;
font-size: 1.2rem;
}
.accordion-icon.active {
transform: rotate(180deg);
}
.accordion-content {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
}
.accordion-content.active {
max-height: 2000px;
}
.accordion-body {
padding: 20px;
background: var(--bg-secondary);
border-radius: 12px;
margin-top: 5px;
}
.tip, .warning, .success, .info {
padding: 20px;
border-radius: 10px;
margin: 20px 0;
}
.tip {
background: rgba(59, 130, 246, 0.1);
border-left: 4px solid var(--accent-blue);
}
.tip::before { content: '💡 '; font-size: 1.5rem; }
.warning {
background: rgba(239, 68, 68, 0.1);
border-left: 4px solid var(--accent-red);
}
.warning::before { content: '⚠️ '; font-size: 1.5rem; }
.success {
background: rgba(16, 185, 129, 0.1);
border-left: 4px solid var(--accent-green);
}
.success::before { content: '✅ '; font-size: 1.5rem; }
.info {
background: rgba(236, 72, 153, 0.1);
border-left: 4px solid var(--accent-pink);
}
.info::before { content: '🔍 '; font-size: 1.5rem; }
.quiz-container {
background: var(--bg-card);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
}
.quiz-question {
margin: 30px 0;
}
.quiz-question h3 {
color: var(--accent-purple);
margin-bottom: 20px;
font-size: 1.3rem;
}
.quiz-options {
display: flex;
flex-direction: column;
gap: 15px;
}
.quiz-option {
background: var(--bg-secondary);
padding: 20px;
border-radius: 12px;
cursor: pointer;
transition: all 0.3s ease;
border: 2px solid transparent;
}
.quiz-option:hover {
border-color: var(--accent-blue);
transform: translateX(10px);
}
.quiz-option.correct {
border-color: var(--accent-green);
background: rgba(16, 185, 129, 0.1);
}
.quiz-option.incorrect {
border-color: var(--accent-red);
background: rgba(239, 68, 68, 0.1);
}
.quiz-feedback {
margin-top: 15px;
padding: 15px;
border-radius: 10px;
display: none;
}
.quiz-feedback.show {
display: block;
}
.quiz-feedback.correct {
background: rgba(16, 185, 129, 0.1);
border-left: 4px solid var(--accent-green);
}
.quiz-feedback.incorrect {
background: rgba(239, 68, 68, 0.1);
border-left: 4px solid var(--accent-red);
}
.cheat-sheet {
background: var(--gradient-rebuild);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
color: white;
}
.cheat-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 20px;
margin-top: 30px;
}
.cheat-item {
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
padding: 20px;
border-radius: 15px;
border: 1px solid rgba(255, 255, 255, 0.2);
}
.cheat-item h4 {
color: white;
margin-bottom: 10px;
font-weight: 600;
}
.cheat-item code {
background: rgba(0, 0, 0, 0.3);
padding: 4px 8px;
border-radius: 5px;
font-size: 0.9rem;
color: white;
}
.highlight {
color: var(--accent-yellow);
font-weight: 600;
}
.footer {
text-align: center;
padding: 40px 20px;
background: var(--bg-secondary);
margin-top: 80px;
border-radius: 20px;
}
.footer p {
color: var(--text-secondary);
margin: 10px 0;
}
.badge {
display: inline-block;
padding: 6px 12px;
background: var(--gradient-rebuild);
border-radius: 20px;
font-size: 0.85rem;
font-weight: 600;
margin: 5px;
}
.confetti {
position: fixed;
width: 10px;
height: 10px;
background: var(--accent-green);
animation: confetti-fall 3s linear forwards;
z-index: 9999;
}
@keyframes confetti-fall {
to {
transform: translateY(100vh) rotate(360deg);
opacity: 0;
}
}
@media (max-width: 768px) {
.hero h1 { font-size: 2rem; }
.command-display { font-size: 1rem; padding: 15px 20px; }
.section-title { font-size: 1.8rem; }
.card { padding: 25px; }
.step { padding-left: 80px; }
.step::before { width: 50px; height: 50px; font-size: 1.5rem; }
}
</style>
</head>
<body>
<div class="progress-container">
<div class="progress-bar" id="progressBar"></div>
</div>
<div class="hero">
<div class="hero-content">
<div class="rebuild-icon">🔧</div>
<h1>Master npm rebuild!</h1>
<div class="command-display">npm rebuild</div>
<p>Recompile native addons! 🚀</p>
</div>
</div>
<div class="container">
<!-- What Is It -->
<section class="section">
<h2 class="section-title">🤔 What Is npm rebuild?</h2>
<div class="card">
<p style="font-size: 1.2rem; margin-bottom: 20px;">
<code>npm rebuild</code> <span class="highlight">recompiles native Node.js addons</span> (C/C++ modules) for your current Node.js version and operating system! 🔧
</p>
<p style="margin-bottom: 20px;">
Think of it like rebuilding LEGO blocks! 🧱 Some npm packages contain native code (written in C/C++) that needs to be compiled specifically for your machine. When you change Node versions or move to a different OS, these compiled files might not work anymore. <code>npm rebuild</code> recompiles them so they work perfectly!
</p>
<div class="info">
<strong>Breaking It Down:</strong>
<ul style="margin-left: 30px; margin-top: 10px; line-height: 2;">
<li><code class="code-npm">npm</code> - Node Package Manager</li>
<li><code class="code-rebuild">rebuild</code> - Recompile native modules</li>
<li>Runs for packages with native C/C++ code</li>
<li>Uses node-gyp to compile</li>
<li>Matches your Node version & OS</li>
</ul>
</div>
<div style="margin-top: 30px;">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">What Are Native Addons? 🔍</h3>
<p>Native addons are Node.js modules written in C/C++ for performance-critical tasks (like image processing, cryptography, database drivers). They're compiled to machine code, so they need to be rebuilt when your environment changes!</p>
</div>
</div>
</section>
<!-- When to Use -->
<section class="section">
<h2 class="section-title">📊 When Do You Need It?</h2>
<div class="card">
<h3 style="margin-bottom: 20px; text-align: center;">Common Scenarios! 🎯</h3>
<div class="scenario-box">
<h4 style="color: var(--accent-green); margin-bottom: 10px;">🔄 Changed Node.js Version</h4>
<p>Upgraded from Node 16 to Node 18? Native modules need rebuilding!</p>
</div>
<div class="scenario-box">
<h4 style="color: var(--accent-green); margin-bottom: 10px;">💻 Different Operating System</h4>
<p>Moved from Mac to Linux? Compiled code won't work - rebuild!</p>
</div>
<div class="scenario-box">
<h4 style="color: var(--accent-green); margin-bottom: 10px;">📦 Copied node_modules</h4>
<p>Copied node_modules from another machine? Rebuild native modules!</p>
</div>
<div class="scenario-box">
<h4 style="color: var(--accent-green); margin-bottom: 10px;">⚠️ Module Loading Errors</h4>
<p>Getting "MODULE_NOT_FOUND" or "invalid ELF header"? Time to rebuild!</p>
</div>
</div>
</section>
<!-- Why Use It -->
<section class="section">
<h2 class="section-title">✨ Why Use npm rebuild?</h2>
<div class="card">
<div class="feature-grid">
<div class="feature-card">
<div class="feature-icon">🔧</div>
<div class="feature-title">Fix Compatibility</div>
<p style="color: var(--text-secondary);">Match your environment!</p>
</div>
<div class="feature-card">
<div class="feature-icon">🚀</div>
<div class="feature-title">Version Upgrades</div>
<p style="color: var(--text-secondary);">After Node updates!</p>
</div>
<div class="feature-card">
<div class="feature-icon">💻</div>
<div class="feature-title">Cross-Platform</div>
<p style="color: var(--text-secondary);">Different OS support!</p>
</div>
<div class="feature-card">
<div class="feature-icon">🛠️</div>
<div class="feature-title">Fix Errors</div>
<p style="color: var(--text-secondary);">Resolve module issues!</p>
</div>
<div class="feature-card">
<div class="feature-icon">⚡</div>
<div class="feature-title">Fast Fix</div>
<p style="color: var(--text-secondary);">Quick solution!</p>
</div>
<div class="feature-card">
<div class="feature-icon">🎯</div>
<div class="feature-title">Targeted</div>
<p style="color: var(--text-secondary);">Only native modules!</p>
</div>
</div>
</div>
</section>
<!-- How It Works -->
<section class="section">
<h2 class="section-title">⚙️ How Does It Work?</h2>
<div class="card">
<div class="steps">
<div class="step">
<h3>Step 1: Scan node_modules</h3>
<p>npm looks for packages with native addons (binding.gyp files).</p>
</div>
<div class="step">
<h3>Step 2: Detect Environment</h3>
<p>Checks your Node.js version and operating system.</p>
</div>
<div class="step">
<h3>Step 3: Run node-gyp</h3>
<p>Uses node-gyp to compile C/C++ code.</p>
</div>
<div class="step">
<h3>Step 4: Compile Binaries</h3>
<p>Creates platform-specific compiled files (.node files).</p>
</div>
<div class="step">
<h3>Step 5: Replace Old Binaries</h3>
<p>Replaces old compiled files with new ones.</p>
</div>
<div class="step">
<h3>Step 6: Done!</h3>
<p>Native modules now work with your environment! 🎉</p>
</div>
</div>
</div>
</section>
<!-- Live Demo -->
<section class="section">
<h2 class="section-title">🎮 Interactive Demo</h2>
<div class="demo-container">
<div style="margin-bottom: 30px; text-align: center;">
<h4 style="margin-bottom: 15px;">See npm rebuild in Action! 🔧</h4>
<button class="demo-button" onclick="simulateRebuild()">
<span>🔧</span>
<span>Run npm rebuild</span>
</button>
<button class="demo-button" onclick="simulateSpecific()">
<span>🎯</span>
<span>Rebuild Specific Package</span>
</button>
<button class="demo-button" onclick="simulateError()">
<span>⚠️</span>
<span>Fix Module Error</span>
</button>
</div>
<div class="terminal" id="terminal">
<div class="terminal-line">
<span class="terminal-prompt">$</span>
<span style="color: var(--text-secondary);"> Ready to rebuild native modules...</span>
</div>
</div>
</div>
</section>
<!-- Code Breakdown -->
<section class="section">
<h2 class="section-title">💻 Usage Examples</h2>
<div class="card">
<div class="tabs">
<button class="tab active" onclick="switchTab('basic')">Basic Usage</button>
<button class="tab" onclick="switchTab('specific')">Specific Package</button>
<button class="tab" onclick="switchTab('scenarios')">Common Scenarios</button>
<button class="tab" onclick="switchTab('troubleshoot')">Troubleshooting</button>
</div>
<div id="basic" class="tab-content active">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Basic Usage</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('basic-code')">📋 Copy</button>
</div>
<pre><code id="basic-code"><span class="code-comment"># Rebuild all native modules</span>
npm rebuild
<span class="code-comment"># What it does:</span>
<span class="code-comment"># - Finds all packages with native addons</span>
<span class="code-comment"># - Recompiles them for your environment</span>
<span class="code-comment"># - Uses node-gyp under the hood</span>
<span class="code-comment"># When to use:</span>
<span class="code-comment"># ✅ After upgrading Node.js</span>
<span class="code-comment"># ✅ After switching OS</span>
<span class="code-comment"># ✅ When getting module errors</span>
<span class="code-comment"># ✅ After copying node_modules</span></code></pre>
</div>
<div class="success" style="margin-top: 15px;">
<strong>Result:</strong> All native modules recompiled!
</div>
</div>
<div id="specific" class="tab-content">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Rebuild Specific Package</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('specific-code')">📋 Copy</button>
</div>
<pre><code id="specific-code"><span class="code-comment"># Rebuild only one package</span>
npm rebuild bcrypt
<span class="code-comment"># Rebuild multiple specific packages</span>
npm rebuild bcrypt sharp node-sass
<span class="code-comment"># Common packages that need rebuilding:</span>
npm rebuild bcrypt <span class="code-comment"># Password hashing</span>
npm rebuild sharp <span class="code-comment"># Image processing</span>
npm rebuild node-sass <span class="code-comment"># Sass compiler</span>
npm rebuild sqlite3 <span class="code-comment"># SQLite database</span>
npm rebuild canvas <span class="code-comment"># Canvas graphics</span>
npm rebuild node-gyp <span class="code-comment"># Build tool itself</span>
<span class="code-comment"># Faster than rebuilding everything!</span></code></pre>
</div>
<div class="tip" style="margin-top: 15px;">
<strong>Pro Tip:</strong> Rebuild only the packages you need for faster builds!
</div>
</div>
<div id="scenarios" class="tab-content">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Common Scenarios</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('scenarios-code')">📋 Copy</button>
</div>
<pre><code id="scenarios-code"><span class="code-comment"># Scenario 1: After Node.js upgrade</span>
nvm use 18 <span class="code-comment"># Switch to Node 18</span>
npm rebuild <span class="code-comment"># Rebuild for new version</span>
<span class="code-comment"># Scenario 2: Docker container</span>
<span class="code-comment"># Dockerfile:</span>
FROM node:18
COPY package*.json ./
RUN npm ci
RUN npm rebuild <span class="code-comment"># Ensure compatibility</span>
<span class="code-comment"># Scenario 3: After git pull with new dependencies</span>
git pull
npm install
npm rebuild <span class="code-comment"># Rebuild native modules</span>
<span class="code-comment"># Scenario 4: CI/CD pipeline</span>
npm ci
npm rebuild --build-from-source
<span class="code-comment"># Scenario 5: Electron app</span>
npm install
npm rebuild --runtime=electron --target=25.0.0</code></pre>
</div>
</div>
<div id="troubleshoot" class="tab-content">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Troubleshooting</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('troubleshoot-code')">📋 Copy</button>
</div>
<pre><code id="troubleshoot-code"><span class="code-comment"># If rebuild fails, install build tools first:</span>
<span class="code-comment"># macOS:</span>
xcode-select --install
<span class="code-comment"># Windows:</span>
npm install --global windows-build-tools
<span class="code-comment"># Linux (Ubuntu/Debian):</span>
sudo apt-get install build-essential
<span class="code-comment"># Then try rebuild again:</span>
npm rebuild
<span class="code-comment"># Force rebuild from source:</span>
npm rebuild --build-from-source
<span class="code-comment"># Clear cache and rebuild:</span>
npm cache clean --force
rm -rf node_modules
npm install
npm rebuild
<span class="code-comment"># Check node-gyp version:</span>
npm list -g node-gyp
<span class="code-comment"># Update node-gyp:</span>
npm install -g node-gyp@latest</code></pre>
</div>
</div>
</div>
</section>
<!-- Common Mistakes -->
<section class="section">
<h2 class="section-title">❌ Common Mistakes</h2>
<div class="card">
<div class="accordion">
<div class="accordion-item">
<div class="accordion-header" onclick="toggleAccordion(this)">
<span><strong>1. Missing Build Tools</strong></span>
<span class="accordion-icon">▼</span>
</div>
<div class="accordion-content">
<div class="accordion-body">
<div class="warning">
<strong>Problem:</strong> npm rebuild fails because C++ compiler not installed
</div>
<div class="success" style="margin-top: 15px;">
<strong>Solution:</strong> Install build tools for your OS first (Xcode, Visual Studio, build-essential)!
</div>
</div>
</div>
</div>
<div class="accordion-item">
<div class="accordion-header" onclick="toggleAccordion(this)">
<span><strong>2. Using on Pure JavaScript Packages</strong></span>
<span class="accordion-icon">▼</span>
</div>
<div class="accordion-content">
<div class="accordion-body">
<div class="warning">
<strong>Problem:</strong> Running npm rebuild when no native modules exist
</div>
<div class="success" style="margin-top: 15px;">
<strong>Solution:</strong> npm rebuild only affects packages with native code - it's safe but unnecessary!
</div>
</div>
</div>
</div>
<div class="accordion-item">
<div class="accordion-header" onclick="toggleAccordion(this)">
<span><strong>3. Not Rebuilding After Node Upgrade</strong></span>
<span class="accordion-icon">▼</span>
</div>
<div class="accordion-content">
<div class="accordion-body">
<div class="warning">
<strong>Problem:</strong> Upgrading Node.js but forgetting to rebuild
</div>
<div class="success" style="margin-top: 15px;">
<strong>Solution:</strong> Always run <code>npm rebuild</code> after changing Node versions!
</div>
</div>
</div>
</div>
<div class="accordion-item">
<div class="accordion-header" onclick="toggleAccordion(this)">
<span><strong>4. Ignoring Python Dependency</strong></span>
<span class="accordion-icon">▼</span>
</div>
<div class="accordion-content">
<div class="accordion-body">
<div class="warning">
<strong>Problem:</strong> node-gyp requires Python 3.x
</div>
<div class="success" style="margin-top: 15px;">
<strong>Solution:</strong> Install Python 3 and ensure it's in your PATH!
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- Pro Tips -->
<section class="section">
<h2 class="section-title">🚀 Pro Tips</h2>
<div class="card">
<div class="tip">
<strong>After Node upgrades</strong> - Always rebuild native modules when switching Node versions!
</div>
<div class="tip">
<strong>Docker optimization</strong> - Add npm rebuild to Dockerfile for consistent builds!
</div>
<div class="tip">
<strong>Specific packages</strong> - Rebuild only what you need: <code>npm rebuild package-name</code>!
</div>
<div class="tip">
<strong>Install build tools</strong> - Have C++ compiler ready before rebuilding!
</div>
<div class="tip">
<strong>CI/CD integration</strong> - Add rebuild step after npm install in pipelines!
</div>
<div class="tip">
<strong>Electron apps</strong> - Use <code>--runtime=electron</code> flag for Electron projects!
</div>
<div class="tip">
<strong>Check compatibility</strong> - Some packages might not support your Node version yet!
</div>
</div>
</section>
<!-- Quiz -->
<section class="section">
<h2 class="section-title">🎯 Knowledge Check Quiz</h2>
<div class="quiz-container">
<p style="margin-bottom: 30px; font-size: 1.1rem;">Test your understanding! 🧠</p>
<div class="quiz-question">
<h3>Question 1: What does npm rebuild do?</h3>
<div class="quiz-options">
<div class="quiz-option" onclick="checkAnswer(this, false, 1)">A) Reinstalls all packages</div>
<div class="quiz-option" onclick="checkAnswer(this, true, 1)">B) Recompiles native C/C++ addons</div>
<div class="quiz-option" onclick="checkAnswer(this, false, 1)">C) Updates package versions</div>
</div>
<div class="quiz-feedback" id="feedback1"></div>
</div>
<div class="quiz-question">
<h3>Question 2: When should you use npm rebuild?</h3>
<div class="quiz-options">
<div class="quiz-option" onclick="checkAnswer(this, false, 2)">A) Every time you run your app</div>
<div class="quiz-option" onclick="checkAnswer(this, true, 2)">B) After upgrading Node.js or changing OS</div>
<div class="quiz-option" onclick="checkAnswer(this, false, 2)">C) Before publishing to npm</div>
</div>
<div class="quiz-feedback" id="feedback2"></div>
</div>
<div class="quiz-question">
<h3>Question 3: What tool does npm rebuild use?</h3>
<div class="quiz-options">
<div class="quiz-option" onclick="checkAnswer(this, false, 3)">A) webpack</div>
<div class="quiz-option" onclick="checkAnswer(this, true, 3)">B) node-gyp</div>
<div class="quiz-option" onclick="checkAnswer(this, false, 3)">C) babel</div>
</div>
<div class="quiz-feedback" id="feedback3"></div>
</div>
<div id="quizScore" style="margin-top: 30px; padding: 20px; background: var(--bg-secondary); border-radius: 12px; display: none;">
<h3 style="color: var(--accent-green); font-size: 1.5rem;">🎉 Quiz Complete!</h3>
<p id="scoreText" style="font-size: 1.2rem; margin-top: 10px;"></p>
</div>
</div>
</section>
<!-- Summary Card -->
<section class="section">
<h2 class="section-title">📚 Quick Reference</h2>
<div class="cheat-sheet">
<h3 style="margin-bottom: 20px; font-size: 2rem;">npm rebuild Cheat Sheet! 🔖</h3>
<div class="cheat-grid">
<div class="cheat-item">
<h4>🔧 Command</h4>
<p><code>npm rebuild</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">Rebuild all</p>
</div>
<div class="cheat-item">
<h4>🎯 Specific</h4>
<p><code>npm rebuild package-name</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">One package</p>
</div>
<div class="cheat-item">
<h4>🔍 Purpose</h4>
<p>Recompile native addons</p>
<p style="font-size: 0.85rem; margin-top: 5px;">C/C++ modules</p>
</div>
<div class="cheat-item">
<h4>🔄 When</h4>
<p>Node upgrade, OS change</p>
<p style="font-size: 0.85rem; margin-top: 5px;">Module errors</p>
</div>
<div class="cheat-item">
<h4>🛠️ Tool</h4>
<p>node-gyp</p>
<p style="font-size: 0.85rem; margin-top: 5px;">C++ compiler</p>
</div>
<div class="cheat-item">
<h4>📦 Examples</h4>
<p>bcrypt, sharp, sqlite3</p>
<p style="font-size: 0.85rem; margin-top: 5px;">Native packages</p>
</div>
<div class="cheat-item">
<h4>⚠️ Requires</h4>
<p>Build tools installed</p>
<p style="font-size: 0.85rem; margin-top: 5px;">C++ compiler</p>
</div>
<div class="cheat-item">
<h4>✅ Safe</h4>
<p>Won't break JS packages</p>
<p style="font-size: 0.85rem; margin-top: 5px;">Only native</p>
</div>
</div>
</div>
</section>
<!-- Footer -->
<div class="footer">
<h2 style="font-size: 2rem; margin-bottom: 20px; color: var(--accent-pink);">🎉 Congratulations!</h2>
<p style="font-size: 1.2rem; margin-bottom: 20px;">You now understand <strong>npm rebuild</strong>! 🚀</p>
<div style="margin: 30px 0;">
<span class="badge">🔧 Rebuild Master</span>
<span class="badge">⚡ Native Expert</span>
<span class="badge">🚀 npm Pro</span>
</div>
<p style="color: var(--text-secondary); margin-top: 30px;">Generated by <strong>AI Prompt Dictionary</strong> 🤖</p>
<p style="color: var(--text-secondary); font-size: 0.9rem;">Made with ❤️ for developers learning npm</p>
</div>
</div>
<script>
// Progress bar
window.addEventListener('scroll', () => {
const winScroll = document.body.scrollTop || document.documentElement.scrollTop;
const height = document.documentElement.scrollHeight - document.documentElement.clientHeight;
const scrolled = (winScroll / height) * 100;
document.getElementById('progressBar').style.width = scrolled + '%';
});
// Copy to clipboard
function copyCode(codeId) {
const code = document.getElementById(codeId).innerText;
navigator.clipboard.writeText(code).then(() => {
event.target.textContent = '✅ Copied!';
event.target.classList.add('copied');
setTimeout(() => {
event.target.textContent = '📋 Copy';
event.target.classList.remove('copied');
}, 2000);
}, 2000);
}
// Tab switching
function switchTab(tabName) {
document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
document.getElementById(tabName).classList.add('active');
event.target.classList.add('active');
}
// Accordion toggle
function toggleAccordion(header) {
const content = header.nextElementSibling;
const icon = header.querySelector('.accordion-icon');
content.classList.toggle('active');
icon.classList.toggle('active');
}
// Simulate rebuild
function simulateRebuild() {
const terminal = document.getElementById('terminal');
terminal.innerHTML = '<div class="terminal-line"><span class="terminal-prompt">$</span> npm rebuild</div>';
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-cyan); margin-top: 10px;">🔍 Scanning for native modules...</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px; margin-top: 5px;">Found: bcrypt, sharp, sqlite3</div>';
}, 500);
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 10px;">🔧 Rebuilding bcrypt...</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">node-gyp rebuild</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">✓ Compiled successfully</div>';
}, 1500);
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 10px;">🔧 Rebuilding sharp...</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">node-gyp rebuild</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">✓ Compiled successfully</div>';
}, 2500);
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 10px;">🔧 Rebuilding sqlite3...</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">node-gyp rebuild</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">✓ Compiled successfully</div>';
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 15px; font-weight: 600;">✅ All native modules rebuilt!</div>';
terminal.innerHTML += '<div style="color: var(--accent-cyan); margin-top: 5px;">🎉 Ready for your environment!</div>';
createConfetti();
}, 3500);
}
// Simulate specific rebuild
function simulateSpecific() {
const terminal = document.getElementById('terminal');
terminal.innerHTML = '<div class="terminal-line"><span class="terminal-prompt">$</span> npm rebuild bcrypt</div>';
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-cyan); margin-top: 10px;">🎯 Targeting bcrypt package...</div>';
}, 500);
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 10px;">🔧 Rebuilding bcrypt@5.1.0...</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px; margin-top: 5px;">Running node-gyp configure</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">Running node-gyp build</div>';
}, 1200);
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 10px; font-weight: 600;">✅ bcrypt rebuilt successfully!</div>';
terminal.innerHTML += '<div style="color: var(--accent-cyan); margin-top: 5px;">⚡ Much faster than rebuilding everything!</div>';
createConfetti();
}, 2500);
}
// Simulate error fix
function simulateError() {
const terminal = document.getElementById('terminal');
terminal.innerHTML = '<div style="color: var(--accent-red); font-weight: 600;">❌ Error: Module loading failed</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">Error: The module was compiled against a different Node.js version</div>';
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-yellow); margin-top: 15px;">💡 Solution: Running npm rebuild...</div>';
terminal.innerHTML += '<div class="terminal-line" style="margin-top: 10px;"><span class="terminal-prompt">$</span> npm rebuild</div>';
}, 1500);
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-cyan); margin-top: 10px;">🔧 Recompiling for Node.js v18.0.0...</div>';
terminal.innerHTML += '<div style="color: var(--text-secondary); margin-left: 20px;">✓ Rebuilt native modules</div>';
}, 2500);
setTimeout(() => {
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 15px; font-weight: 600;">✅ Error fixed!</div>';
terminal.innerHTML += '<div style="color: var(--accent-green); margin-top: 5px;">🎉 Module now compatible with your Node version!</div>';
createConfetti();
}, 3500);
}
// Quiz system
let quizScore = 0;
let questionsAnswered = 0;
function checkAnswer(element, isCorrect, questionNum) {
const options = element.parentElement.querySelectorAll('.quiz-option');
options.forEach(opt => opt.style.pointerEvents = 'none');
const feedback = document.getElementById('feedback' + questionNum);
if (isCorrect) {
element.classList.add('correct');
feedback.className = 'quiz-feedback correct show';
feedback.innerHTML = '<strong>🎉 Correct!</strong> Great job!';
quizScore++;
createConfetti();
} else {
element.classList.add('incorrect');
feedback.className = 'quiz-feedback incorrect show';
feedback.innerHTML = '<strong>❌ Not quite!</strong> Review the material and try again!';
}
questionsAnswered++;
if (questionsAnswered === 3) {
setTimeout(() => {
document.getElementById('quizScore').style.display = 'block';
document.getElementById('scoreText').textContent = `You scored ${quizScore}/3! ${quizScore === 3 ? '🏆 Perfect!' : quizScore === 2 ? '👍 Good job!' : '💪 Keep learning!'}`;
}, 1000);
}
}
// Confetti animation
function createConfetti() {
const colors = ['#10b981', '#059669', '#047857', '#3b82f6', '#a855f7'];
for (let i = 0; i < 50; i++) {
const confetti = document.createElement('div');
confetti.className = 'confetti';
confetti.style.left = Math.random() * window.innerWidth + 'px';
confetti.style.background = colors[Math.floor(Math.random() * colors.length)];
confetti.style.animationDuration = (2 + Math.random() * 2) + 's';
document.body.appendChild(confetti);
setTimeout(() => confetti.remove(), 4000);
}
}
</script>
</body>
</html>
Live Preview