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generate-dependency-report.js
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const checker = require('license-checker');
const fs = require('fs');
const path = require('path');
// HTML template as a string
const htmlTemplate = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Angular Dependencies Report</title>
<style>
body {
font-family: Arial, sans-serif;
line-height: 1.6;
margin: 0;
padding: 20px;
color: #333;
}
.header {
background: #f4f4f4;
padding: 20px;
margin-bottom: 20px;
border-radius: 4px;
}
.section {
margin-bottom: 30px;
}
table {
width: 100%;
border-collapse: collapse;
margin-bottom: 20px;
box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
th, td {
border: 1px solid #ddd;
padding: 12px;
text-align: left;
}
th {
background-color: #f8f8f8;
font-weight: bold;
}
tr:nth-child(even) {
background-color: #f9f9f9;
}
tr:hover {
background-color: #f5f5f5;
}
.dependency-type {
font-size: 1.2em;
color: #666;
font-weight: bold;
margin: 20px 0 10px;
padding-bottom: 5px;
border-bottom: 2px solid #eee;
}
.transitive {
margin-left: 20px;
border-left: 3px solid #eee;
padding-left: 20px;
}
.license-count {
font-weight: bold;
color: #2196F3;
}
.timestamp {
color: #666;
font-style: italic;
}
</style>
</head>
<body>
<div class="header">
<h1>Angular Project Dependencies Report</h1>
<p class="timestamp">Generated on: {{GENERATED_DATE}}</p>
</div>
<div class="section">
<h2>Project Dependencies Overview</h2>
{{PRODUCTION_DEPENDENCIES}}
{{DEVELOPMENT_DEPENDENCIES}}
</div>
<div class="section">
<h2>Transitive Dependencies</h2>
{{TRANSITIVE_DEPENDENCIES}}
</div>
<div class="section">
<h2>License Summary</h2>
{{LICENSE_SUMMARY}}
</div>
</body>
</html>
`;
// Main function to generate the report
function generateDependencyReport() {
checker.init({
start: './',
json: true,
customPath: {
licenses: true,
dependencies: true,
version: true
}
}, function(err, packages) {
if (err) {
console.error("Error:", err);
return;
}
const projectData = processPackages(packages);
const html = generateHTML(projectData);
// Write the report to a file
fs.writeFileSync('dependency-report.html', html);
console.log('Dependency report generated successfully!');
});
}
// Process the packages data
function processPackages(packages) {
const data = {
production: {},
development: {},
transitive: {},
licenses: {}
};
// Read package.json to determine prod vs dev dependencies
const packageJson = JSON.parse(fs.readFileSync('package.json', 'utf8'));
const prodDeps = packageJson.dependencies || {};
const devDeps = packageJson.devDependencies || {};
Object.entries(packages).forEach(([pkgName, info]) => {
const name = pkgName.split('@')[0];
const version = pkgName.split('@')[1];
const packageInfo = {
version,
license: info.licenses,
description: info.description || '',
repository: info.repository || '',
publisher: info.publisher || ''
};
// Track license information
if (info.licenses) {
if (!data.licenses[info.licenses]) {
data.licenses[info.licenses] = {
count: 0,
packages: []
};
}
data.licenses[info.licenses].count++;
data.licenses[info.licenses].packages.push(name);
}
// Categorize dependencies
if (prodDeps[name]) {
data.production[name] = packageInfo;
} else if (devDeps[name]) {
data.development[name] = packageInfo;
} else {
data.transitive[name] = packageInfo;
}
});
return data;
}
// Generate HTML tables for dependencies
function generateDependencyTable(dependencies, title) {
if (Object.keys(dependencies).length === 0) return '';
return `
<div class="dependency-type">${title}</div>
<table>
<tr>
<th>Package</th>
<th>Version</th>
<th>License</th>
<th>Repository</th>
</tr>
${Object.entries(dependencies)
.map(([name, info]) => `
<tr>
<td>${name}</td>
<td>${info.version}</td>
<td>${info.license || 'Unknown'}</td>
<td>${info.repository || 'N/A'}</td>
</tr>
`).join('')}
</table>
`;
}
// Generate license summary table
function generateLicenseSummary(licenses) {
return `
<table>
<tr>
<th>License</th>
<th>Count</th>
<th>Packages</th>
</tr>
${Object.entries(licenses)
.map(([license, info]) => `
<tr>
<td>${license}</td>
<td class="license-count">${info.count}</td>
<td>${info.packages.join(', ')}</td>
</tr>
`).join('')}
</table>
`;
}
// Generate the final HTML
function generateHTML(data) {
let html = htmlTemplate;
// Replace placeholders with actual content
html = html.replace('{{GENERATED_DATE}}', new Date().toLocaleString());
html = html.replace('{{PRODUCTION_DEPENDENCIES}}',
generateDependencyTable(data.production, 'Production Dependencies'));
html = html.replace('{{DEVELOPMENT_DEPENDENCIES}}',
generateDependencyTable(data.development, 'Development Dependencies'));
html = html.replace('{{TRANSITIVE_DEPENDENCIES}}',
generateDependencyTable(data.transitive, 'Transitive Dependencies'));
html = html.replace('{{LICENSE_SUMMARY}}',
generateLicenseSummary(data.licenses));
return html;
}
// Run the report generation
generateDependencyReport();