#!/usr/bin/env node
/**
* Bundle the MCP debugger server into a single file using esbuild
*/
import * as esbuild from 'esbuild';
import fs from 'fs';
import path from 'path';
async function bundle() {
console.log('Bundling MCP debugger server...');
try {
// Bundle the main application
const result = await esbuild.build({
entryPoints: ['dist/index.js'],
bundle: true,
platform: 'node',
target: 'node18',
format: 'cjs',
outfile: 'dist/bundle.cjs',
define: {
'import.meta.url': JSON.stringify('file:///app/dist/bundle.cjs'),
'__dirname': JSON.stringify('/app/dist')
},
external: [
// Keep native modules external
'fsevents'
],
minify: true,
sourcemap: false,
metafile: true,
logLevel: 'info'
});
// Write metafile for analysis
fs.writeFileSync('dist/bundle-meta.json', JSON.stringify(result.metafile));
// CRITICAL: Add console silencing at the very beginning of the bundle
let bundleContent = fs.readFileSync('dist/bundle.cjs', 'utf8');
// Remove any shebang lines that got bundled (they're invalid in the middle of the file)
bundleContent = bundleContent.replace(/^#!.*$/gm, '// shebang removed');
const consoleSilencer = `#!/usr/bin/env node
// CRITICAL: Console silencing MUST be first - before ANY code runs
// This prevents stdout pollution in transport modes (stdio/SSE) which breaks MCP protocol
(function() {
const stripQuotes = (value) => typeof value === 'string'
? value.toLowerCase().replace(/^["']|["']$/g, '')
: '';
const matchesKeyword = (arg, keyword) => {
const normalized = stripQuotes(arg);
if (!normalized) {
return false;
}
if (normalized === keyword) {
return true;
}
if (normalized.endsWith('=' + keyword) || normalized.endsWith(':' + keyword)) {
return true;
}
if (normalized.startsWith('--transport') && normalized.includes('=' + keyword)) {
return true;
}
return false;
};
const hasStdio = process.argv.some(arg => matchesKeyword(arg, 'stdio'));
const hasSse = process.argv.some(arg => matchesKeyword(arg, 'sse'));
if (hasStdio || hasSse || process.env.CONSOLE_OUTPUT_SILENCED === '1') {
const noop = () => {};
console.log = noop;
console.error = noop;
console.warn = noop;
console.info = noop;
console.debug = noop;
console.trace = noop;
console.dir = noop;
console.table = noop;
console.group = noop;
console.groupEnd = noop;
console.time = noop;
console.timeEnd = noop;
console.assert = noop;
// Suppress process warnings
process.removeAllListeners('warning');
process.on('warning', noop);
}
})();
// Clean argv before any code processes it - strip quotes from all arguments
process.argv = process.argv.map(arg =>
typeof arg === 'string' ? arg.replace(/^["'](.*)["']$/, '$1') : arg
);
`;
// Write the modified bundle with console silencing at the top
fs.writeFileSync('dist/bundle.cjs', consoleSilencer + bundleContent);
// Copy proxy-bootstrap.js to dist if it exists
const proxyBootstrapSrc = path.join('src', 'proxy', 'proxy-bootstrap.js');
const proxyBootstrapDest = path.join('dist', 'proxy', 'proxy-bootstrap.js');
if (fs.existsSync(proxyBootstrapSrc)) {
const proxyDir = path.dirname(proxyBootstrapDest);
if (!fs.existsSync(proxyDir)) {
fs.mkdirSync(proxyDir, { recursive: true });
}
fs.copyFileSync(proxyBootstrapSrc, proxyBootstrapDest);
console.log('Copied proxy-bootstrap.js');
}
// Calculate bundle size
const stats = fs.statSync('dist/bundle.cjs');
const sizeInMB = (stats.size / 1024 / 1024).toFixed(2);
console.log(`Bundle created successfully: ${sizeInMB} MB`);
// Show what's included
const text = await esbuild.analyzeMetafile(result.metafile, {
verbose: false
});
console.log('\nBundle analysis:');
console.log(text);
// Create proxy bundle
console.log('\nCreating proxy bundle...');
const proxyResult = await esbuild.build({
entryPoints: ['dist/proxy/dap-proxy-entry.js'],
bundle: true,
platform: 'node',
outfile: 'dist/proxy/proxy-bundle.cjs',
format: 'cjs',
target: 'node20',
define: {
'import.meta.url': JSON.stringify('file:///app/dist/proxy/proxy-bundle.cjs'),
'__dirname': JSON.stringify('/app/dist/proxy')
},
external: [], // Bundle ALL dependencies - don't exclude anything
minify: false, // Keep readable for debugging
sourcemap: 'inline',
metafile: true,
logLevel: 'info',
// Ensure we don't mangle any strings or identifiers
keepNames: true,
charset: 'utf8'
});
// Analyze proxy bundle
if (proxyResult.metafile) {
const proxyText = await esbuild.analyzeMetafile(proxyResult.metafile);
console.log('\nProxy bundle analysis:');
console.log(proxyText);
}
// Verify proxy bundle was created and check size
if (fs.existsSync('dist/proxy/proxy-bundle.cjs')) {
const proxyStats = fs.statSync('dist/proxy/proxy-bundle.cjs');
const proxySizeKB = (proxyStats.size / 1024).toFixed(2);
console.log(`\nProxy bundle created successfully: ${proxySizeKB} KB`);
} else {
console.error('Proxy bundle was not created!');
process.exit(1);
}
} catch (error) {
console.error('Bundle failed:', error);
process.exit(1);
}
}
bundle();
