import https from 'https';
import semver from 'semver';
import chalk from 'chalk';
import fs from 'fs/promises';
import path from 'path';
import { fileURLToPath } from 'url';
const FILE_NAME = fileURLToPath(import.meta.url);
const DIR_NAME = path.dirname(FILE_NAME);
// Assuming the compiled code is in dist/utils/ and package.json is in ../../
// packages/cli/src/utils/check-for-updates.ts ->
// packages/cli/dist/utils/check-for-updates.js
// package.json is at packages/cli/package.json
// So from src/utils, it is ../../package.json.
// From dist/utils, it is ../../package.json.
const PACKAGE_JSON_PATH = path.resolve(DIR_NAME, '../../package.json');
const REGISTRY_URL = 'https://registry.npmjs.org/@libragen/cli/latest';
export async function checkForUpdate(): Promise<void> {
try {
const pkgContent = await fs.readFile(PACKAGE_JSON_PATH, 'utf-8');
const pkg = JSON.parse(pkgContent);
const currentVersion = pkg.version;
// Fetch latest version
const latestVersion = await fetchLatestVersion();
if (latestVersion && semver.gt(latestVersion, currentVersion)) {
displayUpdateBanner(currentVersion, latestVersion);
}
} catch(error) {
// Ignore errors (network, file access, parse) to not break CLI
}
}
function fetchLatestVersion(): Promise<string | null> {
return new Promise((resolve) => {
const req = https.get(REGISTRY_URL, { timeout: 1500 }, (res) => {
if (res.statusCode !== 200) {
resolve(null);
return;
}
let data = '';
res.on('data', (chunk) => { data += chunk; });
res.on('end', () => {
try {
const json = JSON.parse(data);
if (typeof json.version === 'string') {
resolve(json.version);
} else {
resolve(null);
}
} catch(_e) {
resolve(null);
}
});
});
req.on('error', () => { resolve(null); });
req.on('timeout', () => {
req.destroy();
resolve(null);
});
});
}
function displayUpdateBanner(current: string, latest: string): void {
// eslint-disable-next-line no-control-regex
const stripAnsi = (str: string): string => { return str.replace(/\x1B\[\d+m/g, ''); };
const line1 = `New version available! ${chalk.dim(current)} → ${chalk.green(latest)}`;
const line2 = `Run ${chalk.cyan('npm i -g @libragen/cli')} to update`;
const len1 = stripAnsi(line1).length;
const len2 = stripAnsi(line2).length;
const maxLen = Math.max(len1, len2);
// Add nice box
const border = '─'.repeat(maxLen + 4);
console.log();
console.log(chalk.yellow('╭' + border + '╮'));
console.log(chalk.yellow('│ ') + line1 + ' '.repeat(maxLen - len1) + chalk.yellow(' │'));
console.log(chalk.yellow('│ ') + line2 + ' '.repeat(maxLen - len2) + chalk.yellow(' │'));
console.log(chalk.yellow('╰' + border + '╯'));
console.log();
}
