var childProcess = require('child_process') var escalade = require('escalade/sync') var pico = require('picocolors') var path = require('path') var fs = require('fs') var BrowserslistError = require('./error') function detectLockfile() { var packageDir = escalade('.', function (dir, names) { return names.indexOf('package.json') !== -1 ? dir : '' }) if (!packageDir) { throw new BrowserslistError( 'Cannot find package.json. ' + 'Is this the right directory to run `npx browserslist --update-db` in?' ) } var lockfileNpm = path.join(packageDir, 'package-lock.json') var lockfileShrinkwrap = path.join(packageDir, 'npm-shrinkwrap.json') var lockfileYarn = path.join(packageDir, 'yarn.lock') var lockfilePnpm = path.join(packageDir, 'pnpm-lock.yaml') if (fs.existsSync(lockfilePnpm)) { return { mode: 'pnpm', file: lockfilePnpm } } else if (fs.existsSync(lockfileNpm)) { return { mode: 'npm', file: lockfileNpm } } else if (fs.existsSync(lockfileYarn)) { var lock = { mode: 'yarn', file: lockfileYarn } lock.content = fs.readFileSync(lock.file).toString() lock.version = /# yarn lockfile v1/.test(lock.content) ? 1 : 2 return lock } else if (fs.existsSync(lockfileShrinkwrap)) { return { mode: 'npm', file: lockfileShrinkwrap } } throw new BrowserslistError( 'No lockfile found. Run "npm install", "yarn install" or "pnpm install"' ) } function getLatestInfo(lock) { if (lock.mode === 'yarn') { if (lock.version === 1) { return JSON.parse( childProcess.execSync('yarn info caniuse-lite --json').toString() ).data } else { return JSON.parse( childProcess.execSync('yarn npm info caniuse-lite --json').toString() ) } } return JSON.parse( childProcess.execSync('npm show caniuse-lite --json').toString() ) } function getBrowsersList() { return childProcess .execSync('npx browserslist') .toString() .trim() .split('\n') .map(function (line) { return line.trim().split(' ') }) .reduce(function (result, entry) { if (!result[entry[0]]) { result[entry[0]] = [] } result[entry[0]].push(entry[1]) return result }, {}) } function diffBrowsersLists(old, current) { var browsers = Object.keys(old).concat( Object.keys(current).filter(function (browser) { return old[browser] === undefined }) ) return browsers .map(function (browser) { var oldVersions = old[browser] || [] var currentVersions = current[browser] || [] var intersection = oldVersions.filter(function (version) { return currentVersions.indexOf(version) !== -1 }) var addedVersions = currentVersions.filter(function (version) { return intersection.indexOf(version) === -1 }) var removedVersions = oldVersions.filter(function (version) { return intersection.indexOf(version) === -1 }) return removedVersions .map(function (version) { return pico.red('- ' + browser + ' ' + version) }) .concat( addedVersions.map(function (version) { return pico.green('+ ' + browser + ' ' + version) }) ) }) .reduce(function (result, array) { return result.concat(array) }, []) .join('\n') } function updateNpmLockfile(lock, latest) { var metadata = { latest: latest, versions: [] } var content = deletePackage(JSON.parse(lock.content), metadata) metadata.content = JSON.stringify(content, null, ' ') return metadata } function deletePackage(node, metadata) { if (node.dependencies) { if (node.dependencies['caniuse-lite']) { var version = node.dependencies['caniuse-lite'].version metadata.versions[version] = true delete node.dependencies['caniuse-lite'] } for (var i in node.dependencies) { node.dependencies[i] = deletePackage(node.dependencies[i], metadata) } } return node } var yarnVersionRe = /version "(.*?)"/ function updateYarnLockfile(lock, latest) { var blocks = lock.content.split(/(\n{2,})/).map(function (block) { return block.split('\n') }) var versions = {} blocks.forEach(function (lines) { if (lines[0].indexOf('caniuse-lite@') !== -1) { var match = yarnVersionRe.exec(lines[1]) versions[match[1]] = true if (match[1] !== latest.version) { lines[1] = lines[1].replace( /version "[^"]+"/, 'version "' + latest.version + '"' ) lines[2] = lines[2].replace( /resolved "[^"]+"/, 'resolved "' + latest.dist.tarball + '"' ) if (lines.length === 4) { lines[3] = latest.dist.integrity ? lines[3].replace( /integrity .+/, 'integrity ' + latest.dist.integrity ) : '' } } } }) var content = blocks .map(function (lines) { return lines.join('\n') }) .join('') return { content: content, versions: versions } } function updateLockfile(lock, latest) { if (!lock.content) lock.content = fs.readFileSync(lock.file).toString() if (lock.mode === 'yarn') { return updateYarnLockfile(lock, latest) } else { return updateNpmLockfile(lock, latest) } } function updatePackageManually(print, lock, latest) { var lockfileData = updateLockfile(lock, latest) var caniuseVersions = Object.keys(lockfileData.versions).sort() if (caniuseVersions.length === 1 && caniuseVersions[0] === latest.version) { print( 'Installed version: ' + pico.bold(pico.green(latest.version)) + '\n' + pico.bold(pico.green('caniuse-lite is up to date')) + '\n' ) return } if (caniuseVersions.length === 0) { caniuseVersions[0] = 'none' } print( 'Installed version' + (caniuseVersions.length === 1 ? ': ' : 's: ') + pico.bold(pico.red(caniuseVersions.join(', '))) + '\n' + 'Removing old caniuse-lite from lock file\n' ) fs.writeFileSync(lock.file, lockfileData.content) var install = lock.mode === 'yarn' ? 'yarn add -W' : lock.mode + ' install' print( 'Installing new caniuse-lite version\n' + pico.yellow('$ ' + install + ' caniuse-lite') + '\n' ) try { childProcess.execSync(install + ' caniuse-lite') } catch (e) /* c8 ignore start */ { print( pico.red( '\n' + e.stack + '\n\n' + 'Problem with `' + install + ' caniuse-lite` call. ' + 'Run it manually.\n' ) ) process.exit(1) } /* c8 ignore end */ var del = lock.mode === 'yarn' ? 'yarn remove -W' : lock.mode + ' uninstall' print( 'Cleaning package.json dependencies from caniuse-lite\n' + pico.yellow('$ ' + del + ' caniuse-lite') + '\n' ) childProcess.execSync(del + ' caniuse-lite') } function updateWith(print, cmd) { print('Updating caniuse-lite version\n' + pico.yellow('$ ' + cmd) + '\n') try { childProcess.execSync(cmd) } catch (e) /* c8 ignore start */ { print(pico.red(e.stdout.toString())) print( pico.red( '\n' + e.stack + '\n\n' + 'Problem with `' + cmd + '` call. ' + 'Run it manually.\n' ) ) process.exit(1) } /* c8 ignore end */ } module.exports = function updateDB(print) { var lock = detectLockfile() var latest = getLatestInfo(lock) var browsersListRetrievalError var oldBrowsersList try { oldBrowsersList = getBrowsersList() } catch (e) { browsersListRetrievalError = e } print('Latest version: ' + pico.bold(pico.green(latest.version)) + '\n') if (lock.mode === 'yarn' && lock.version !== 1) { updateWith(print, 'yarn up -R caniuse-lite') } else if (lock.mode === 'pnpm') { updateWith(print, 'pnpm up caniuse-lite') } else { updatePackageManually(print, lock, latest) } print('caniuse-lite has been successfully updated\n') var currentBrowsersList if (!browsersListRetrievalError) { try { currentBrowsersList = getBrowsersList() } catch (e) /* c8 ignore start */ { browsersListRetrievalError = e } /* c8 ignore end */ } if (browsersListRetrievalError) { print( pico.red( '\n' + browsersListRetrievalError.stack + '\n\n' + 'Problem with browser list retrieval.\n' + 'Target browser changes won’t be shown.\n' ) ) } else { var targetBrowserChanges = diffBrowsersLists( oldBrowsersList, currentBrowsersList ) if (targetBrowserChanges) { print('\nTarget browser changes:\n') print(targetBrowserChanges + '\n') } else { print('\n' + pico.green('No target browser changes') + '\n') } } }