|  |  |  |  | let childProcess = require('child_process') | 
					
						
							|  |  |  |  | let escalade = require('escalade/sync') | 
					
						
							|  |  |  |  | let pico = require('picocolors') | 
					
						
							|  |  |  |  | let path = require('path') | 
					
						
							|  |  |  |  | let fs = require('fs') | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | const { detectIndent, detectEOL } = require('./utils') | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function BrowserslistUpdateError(message) { | 
					
						
							|  |  |  |  |   this.name = 'BrowserslistUpdateError' | 
					
						
							|  |  |  |  |   this.message = message | 
					
						
							|  |  |  |  |   this.browserslist = true | 
					
						
							|  |  |  |  |   if (Error.captureStackTrace) { | 
					
						
							|  |  |  |  |     Error.captureStackTrace(this, BrowserslistUpdateError) | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | BrowserslistUpdateError.prototype = Error.prototype | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | /* c8 ignore next 3 */ | 
					
						
							|  |  |  |  | function defaultPrint(str) { | 
					
						
							|  |  |  |  |   process.stdout.write(str) | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function detectLockfile() { | 
					
						
							|  |  |  |  |   let packageDir = escalade('.', (dir, names) => { | 
					
						
							|  |  |  |  |     return names.indexOf('package.json') !== -1 ? dir : '' | 
					
						
							|  |  |  |  |   }) | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   if (!packageDir) { | 
					
						
							|  |  |  |  |     throw new BrowserslistUpdateError( | 
					
						
							|  |  |  |  |       'Cannot find package.json. ' + | 
					
						
							|  |  |  |  |         'Is this the right directory to run `npx update-browserslist-db` in?' | 
					
						
							|  |  |  |  |     ) | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   let lockfileNpm = path.join(packageDir, 'package-lock.json') | 
					
						
							|  |  |  |  |   let lockfileShrinkwrap = path.join(packageDir, 'npm-shrinkwrap.json') | 
					
						
							|  |  |  |  |   let lockfileYarn = path.join(packageDir, 'yarn.lock') | 
					
						
							|  |  |  |  |   let 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)) { | 
					
						
							|  |  |  |  |     let 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 BrowserslistUpdateError( | 
					
						
							|  |  |  |  |     '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() | 
					
						
							|  |  |  |  |       ) | 
					
						
							|  |  |  |  |     } | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  |   if (lock.mode === 'pnpm') { | 
					
						
							|  |  |  |  |     return JSON.parse( | 
					
						
							|  |  |  |  |       childProcess.execSync('pnpm info caniuse-lite --json').toString() | 
					
						
							|  |  |  |  |     ) | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  |   return JSON.parse( | 
					
						
							|  |  |  |  |     childProcess.execSync('npm show caniuse-lite --json').toString() | 
					
						
							|  |  |  |  |   ) | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function getBrowsers() { | 
					
						
							|  |  |  |  |   let browserslist = require('browserslist') | 
					
						
							|  |  |  |  |   return browserslist().reduce((result, entry) => { | 
					
						
							|  |  |  |  |     if (!result[entry[0]]) { | 
					
						
							|  |  |  |  |       result[entry[0]] = [] | 
					
						
							|  |  |  |  |     } | 
					
						
							|  |  |  |  |     result[entry[0]].push(entry[1]) | 
					
						
							|  |  |  |  |     return result | 
					
						
							|  |  |  |  |   }, {}) | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function diffBrowsers(old, current) { | 
					
						
							|  |  |  |  |   let browsers = Object.keys(old).concat( | 
					
						
							|  |  |  |  |     Object.keys(current).filter(browser => old[browser] === undefined) | 
					
						
							|  |  |  |  |   ) | 
					
						
							|  |  |  |  |   return browsers | 
					
						
							|  |  |  |  |     .map(browser => { | 
					
						
							|  |  |  |  |       let oldVersions = old[browser] || [] | 
					
						
							|  |  |  |  |       let currentVersions = current[browser] || [] | 
					
						
							|  |  |  |  |       let common = oldVersions.filter(v => currentVersions.includes(v)) | 
					
						
							|  |  |  |  |       let added = currentVersions.filter(v => !common.includes(v)) | 
					
						
							|  |  |  |  |       let removed = oldVersions.filter(v => !common.includes(v)) | 
					
						
							|  |  |  |  |       return removed | 
					
						
							|  |  |  |  |         .map(v => pico.red('- ' + browser + ' ' + v)) | 
					
						
							|  |  |  |  |         .concat(added.map(v => pico.green('+ ' + browser + ' ' + v))) | 
					
						
							|  |  |  |  |     }) | 
					
						
							|  |  |  |  |     .reduce((result, array) => result.concat(array), []) | 
					
						
							|  |  |  |  |     .join('\n') | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function updateNpmLockfile(lock, latest) { | 
					
						
							|  |  |  |  |   let metadata = { latest, versions: [] } | 
					
						
							|  |  |  |  |   let content = deletePackage(JSON.parse(lock.content), metadata) | 
					
						
							|  |  |  |  |   metadata.content = JSON.stringify(content, null, detectIndent(lock.content)) | 
					
						
							|  |  |  |  |   return metadata | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function deletePackage(node, metadata) { | 
					
						
							|  |  |  |  |   if (node.dependencies) { | 
					
						
							|  |  |  |  |     if (node.dependencies['caniuse-lite']) { | 
					
						
							|  |  |  |  |       let version = node.dependencies['caniuse-lite'].version | 
					
						
							|  |  |  |  |       metadata.versions[version] = true | 
					
						
							|  |  |  |  |       delete node.dependencies['caniuse-lite'] | 
					
						
							|  |  |  |  |     } | 
					
						
							|  |  |  |  |     for (let i in node.dependencies) { | 
					
						
							|  |  |  |  |       node.dependencies[i] = deletePackage(node.dependencies[i], metadata) | 
					
						
							|  |  |  |  |     } | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  |   return node | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | let yarnVersionRe = /version "(.*?)"/ | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function updateYarnLockfile(lock, latest) { | 
					
						
							|  |  |  |  |   let blocks = lock.content.split(/(\n{2,})/).map(block => { | 
					
						
							|  |  |  |  |     return block.split('\n') | 
					
						
							|  |  |  |  |   }) | 
					
						
							|  |  |  |  |   let versions = {} | 
					
						
							|  |  |  |  |   blocks.forEach(lines => { | 
					
						
							|  |  |  |  |     if (lines[0].indexOf('caniuse-lite@') !== -1) { | 
					
						
							|  |  |  |  |       let 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 | 
					
						
							|  |  |  |  |               ) | 
					
						
							|  |  |  |  |             : '' | 
					
						
							|  |  |  |  |         } | 
					
						
							|  |  |  |  |       } | 
					
						
							|  |  |  |  |     } | 
					
						
							|  |  |  |  |   }) | 
					
						
							|  |  |  |  |   let content = blocks.map(lines => lines.join('\n')).join('') | 
					
						
							|  |  |  |  |   return { content, versions } | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function updateLockfile(lock, latest) { | 
					
						
							|  |  |  |  |   if (!lock.content) lock.content = fs.readFileSync(lock.file).toString() | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   let updatedLockFile | 
					
						
							|  |  |  |  |   if (lock.mode === 'yarn') { | 
					
						
							|  |  |  |  |     updatedLockFile = updateYarnLockfile(lock, latest) | 
					
						
							|  |  |  |  |   } else { | 
					
						
							|  |  |  |  |     updatedLockFile = updateNpmLockfile(lock, latest) | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  |   updatedLockFile.content = updatedLockFile.content.replace( | 
					
						
							|  |  |  |  |     /\n/g, | 
					
						
							|  |  |  |  |     detectEOL(lock.content) | 
					
						
							|  |  |  |  |   ) | 
					
						
							|  |  |  |  |   return updatedLockFile | 
					
						
							|  |  |  |  | } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  | function updatePackageManually(print, lock, latest) { | 
					
						
							|  |  |  |  |   let lockfileData = updateLockfile(lock, latest) | 
					
						
							|  |  |  |  |   let 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) | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   let 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 */ | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   let 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 = defaultPrint) { | 
					
						
							|  |  |  |  |   let lock = detectLockfile() | 
					
						
							|  |  |  |  |   let latest = getLatestInfo(lock) | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   let listError | 
					
						
							|  |  |  |  |   let oldList | 
					
						
							|  |  |  |  |   try { | 
					
						
							|  |  |  |  |     oldList = getBrowsers() | 
					
						
							|  |  |  |  |   } catch (e) { | 
					
						
							|  |  |  |  |     listError = 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') | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   let newList | 
					
						
							|  |  |  |  |   if (!listError) { | 
					
						
							|  |  |  |  |     try { | 
					
						
							|  |  |  |  |       newList = getBrowsers() | 
					
						
							|  |  |  |  |     } catch (e) /* c8 ignore start */ { | 
					
						
							|  |  |  |  |       listError = e | 
					
						
							|  |  |  |  |     } /* c8 ignore end */ | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  | 
 | 
					
						
							|  |  |  |  |   if (listError) { | 
					
						
							|  |  |  |  |     print( | 
					
						
							|  |  |  |  |       pico.red( | 
					
						
							|  |  |  |  |         '\n' + | 
					
						
							|  |  |  |  |           listError.stack + | 
					
						
							|  |  |  |  |           '\n\n' + | 
					
						
							|  |  |  |  |           'Problem with browser list retrieval.\n' + | 
					
						
							|  |  |  |  |           'Target browser changes won’t be shown.\n' | 
					
						
							|  |  |  |  |       ) | 
					
						
							|  |  |  |  |     ) | 
					
						
							|  |  |  |  |   } else { | 
					
						
							|  |  |  |  |     let changes = diffBrowsers(oldList, newList) | 
					
						
							|  |  |  |  |     if (changes) { | 
					
						
							|  |  |  |  |       print('\nTarget browser changes:\n') | 
					
						
							|  |  |  |  |       print(changes + '\n') | 
					
						
							|  |  |  |  |     } else { | 
					
						
							|  |  |  |  |       print('\n' + pico.green('No target browser changes') + '\n') | 
					
						
							|  |  |  |  |     } | 
					
						
							|  |  |  |  |   } | 
					
						
							|  |  |  |  | } |