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/*---------------------------------------------------------------------------------------------

* Licensed under the MIT License. See License.txt in the project root for license information.

*--------------------------------------------------------------------------------------------*/

// @ts-check

const http = require('http');

const fs = require('fs');

const path = require('path');

const open = require('open');

const minimist = require('minimist');

const APP_ROOT = path.join(__dirname, '..');

async function main() {

const args = minimist(process.argv.slice(2), {

boolean: ['help', 'no-open', 'skip-welcome', 'mock', 'mobile'],

string: ['host', 'port'],

});

if (args.help) {

console.log(

'./scripts/code-sessions-web.sh [options]\n' +

' --host <host> Host to bind to (default: localhost)\n' +

' --port <port> Port to bind to (default: 8081)\n' +

' --no-open Do not open browser automatically\n' +

' --skip-welcome Skip the sessions welcome overlay\n' +

' --mock Load mock extension for E2E testing\n' +

' --mobile Serve the mobile (phone) workbench entry point\n'

);

return;

}

const HOST = args['host'] ?? 'localhost';

const PORT = parseInt(args['port'] ?? '8081', 10);

const server = http.createServer((req, res) => {

const url = new URL(req.url, `http://${HOST}:${PORT}`);

// Serve the sessions workbench HTML at the root

if (url.pathname === '/' || url.pathname === '/index.html') {

// Refresh the import map on each page load to include newly compiled stylesheets.

const cssModules = collectCssFiles(path.join(APP_ROOT, 'out'), '');

res.writeHead(200, { 'Content-Type': 'text/html' });

res.end(getSessionsHTML(HOST, PORT, cssModules, args['mock'], args['mobile']));

return;

}

// Serve static files from the repo root (out/, src/, node_modules/, etc.)

const filePath = path.join(APP_ROOT, url.pathname);

if (fs.existsSync(filePath) && fs.statSync(filePath).isFile()) {

const ext = path.extname(filePath);

const contentType = {

'.js': 'application/javascript',

'.mjs': 'application/javascript',

'.css': 'text/css',

'.html': 'text/html',

'.json': 'application/json',

'.svg': 'image/svg+xml',

'.png': 'image/png',

'.ttf': 'font/ttf',

'.woff': 'font/woff',

'.woff2': 'font/woff2',

}[ext] || 'application/octet-stream';

res.writeHead(200, {

'Content-Type': contentType,

'Access-Control-Allow-Origin': '*',

});

fs.createReadStream(filePath).pipe(res);

return;

}

res.writeHead(404);

res.end('Not found');

});

server.listen(PORT, HOST, () => {

console.log(`\n Sessions Web${args['mobile'] ? ' (mobile)' : ''} running at: http://${HOST}:${PORT}/\n`);

if (!args['no-open'] && args.open !== false) {

const query = args['skip-welcome'] ? '?skip-sessions-welcome' : '';

open.default(`http://${HOST}:${PORT}/${query}`);

}

});

process.on('SIGINT', () => { server.close(); process.exit(0); });

process.on('SIGTERM', () => { server.close(); process.exit(0); });

}

function getSessionsHTML(host, port, cssModules, useMock, useMobile) {

const baseUrl = `http://${host}:${port}`;

const fileRoot = `${baseUrl}/out`;

// Build the import map server-side. Each CSS file gets mapped to a

// data: URI containing a JS module that injects the stylesheet via

// a global helper function. This must be a static <script type="importmap">

// declared before any <script type="module"> tags.

const imports = {};

for (const cssModule of cssModules) {

const cssUrl = `${fileRoot}/${cssModule}`;

const jsSrc = `globalThis._VSCODE_CSS_LOAD('${cssUrl}');\n`;

const encoded = Buffer.from(jsSrc).toString('base64');

imports[cssUrl] = `data:application/javascript;base64,${encoded}`;

}

const importMapJson = JSON.stringify({ imports }, null, 2);

// When --mock is passed, load the E2E mock extension

const additionalBuiltinExtensions = useMock

? `additionalBuiltinExtensions: [{ scheme: 'http', authority: '${host}:${port}', path: '/src/vs/sessions/test/e2e/extensions/sessions-e2e-mock' }],`

: '';

// The mobile entry point is a separate, allow-listed bundle with its own

// workbench. The mock variant swaps in the same mock services as desktop.

const entryModule = useMobile

? (useMock ? 'test/agents.web.mobile.test.internal' : 'agents.web.mobile.main.internal')

: (useMock ? 'test/sessions.web.test.internal' : 'sessions.web.main.internal');

// Expose safe-area insets without disabling browser zoom.

const viewportMeta = useMobile

? `<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />

: `<meta name="viewport" content="width=device-width, initial-scale=1" />`;

return `<!DOCTYPE html>

<html>

<head>

${viewportMeta}

<title>${useMobile ? 'Agents' : 'Sessions'}</title>

globalThis._VSCODE_FILE_ROOT = '${fileRoot}';

const sheet = document.getElementById('vscode-css-modules').sheet;

// Append so the cascade follows load order (later stylesheet wins), matching

// the bundled build and the Electron dev loader. The default index prepends

// and inverts precedence, which makes dev styling diverge from production.

globalThis._VSCODE_CSS_LOAD = function (url) { sheet.insertRule(\`@import url(\${url});\`, sheet.cssRules.length); };

</script>

${importMapJson}

</script>

</head>

import { create, URI } from '${fileRoot}/vs/sessions/${entryModule}.js';

create(document.body, {

productConfiguration: {

nameShort: '${useMobile ? 'Agents' : 'Sessions (Web)'}',

nameLong: '${useMobile ? 'Agents' : 'Sessions (Web)'}',

enableTelemetry: false,

${additionalBuiltinExtensions}

workspaceProvider: {

workspace: ${useMock

? `{ folderUri: URI.parse('mock-fs://mock-repo/mock-repo') }`

: 'undefined'},

open: async () => false,

payload: [['isSessionsWindow', 'true']],

});

</script>

</body>

</html>`;

}

/** Recursively collect *.css paths relative to `dir`. */

function collectCssFiles(dir, prefix) {

let results = [];

for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {

const rel = prefix ? prefix + '/' + entry.name : entry.name;

if (entry.isDirectory()) {

results = results.concat(collectCssFiles(path.join(dir, entry.name), rel));

} else if (entry.name.endsWith('.css')) {

results.push(rel);

}

return results;

}

main();