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rOACCT/node_modules/browserslist/update-db.js
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update-db.js
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var childProcess = require('child_process')
var colorette = require('colorette')
var escalade = require('escalade/sync')
var path = require('path')
var fs = require('fs')
var BrowserslistError = require('./error')
var red = colorette.red
var bold = colorette.bold
var green = colorette.green
var yellow = colorette.yellow
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 it a right project to run npx browserslist --update-db?'
)
}
var lockfileNpm = path.join(packageDir, 'package-lock.json')
var lockfileYarn = path.join(packageDir, 'yarn.lock')
var lockfilePnpm = path.join(packageDir, 'pnpm-lock.yaml')
/* istanbul ignore next */
if (fs.existsSync(lockfilePnpm)) {
return { mode: 'pnpm', file: lockfilePnpm }
} else if (fs.existsSync(lockfileNpm)) {
return { mode: 'npm', file: lockfileNpm }
} else if (fs.existsSync(lockfileYarn)) {
return { mode: 'yarn', file: lockfileYarn }
} else {
throw new BrowserslistError(
'No lockfile found. Run "npm install", "yarn install" or "pnpm install"'
)
}
}
function getCurrentVersion (lock) {
var match
/* istanbul ignore if */
if (lock.mode === 'pnpm') {
match = /\/caniuse-lite\/([^:]+):/.exec(lock.content)
if (match[1]) return match[1]
} else if (lock.mode === 'npm') {
var dependencies = JSON.parse(lock.content).dependencies
if (dependencies && dependencies['caniuse-lite']) {
return dependencies['caniuse-lite'].version
}
} else if (lock.mode === 'yarn') {
match = /caniuse-lite@[^:]+:\r?\n\s+version\s+"([^"]+)"/.exec(lock.content)
if (match[1]) return match[1]
}
return null
}
function getLatestInfo (lock) {
if (lock.mode !== 'yarn') {
return JSON.parse(
childProcess.execSync('npm show caniuse-lite --json').toString()
)
} else {
return JSON.parse(
childProcess.execSync('yarn info caniuse-lite --json').toString()
).data
}
}
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 red('- ' + browser + ' ' + version)
}).concat(addedVersions.map(function (version) {
return green('+ ' + browser + ' ' + version)
}))
})
.reduce(function (result, array) {
return result.concat(array)
}, [])
.join('\n')
}
function updateLockfile (lock, latest) {
if (lock.mode === 'npm') {
var fixed = deletePackage(JSON.parse(lock.content))
return JSON.stringify(fixed, null, ' ')
} else {
var lines = lock.content.split('\n')
var i
/* istanbul ignore if */
if (lock.mode === 'pnpm') {
for (i = 0; i < lines.length; i++) {
if (lines[i].indexOf('caniuse-lite:') >= 0) {
lines[i] = lines[i].replace(/: .*$/, ': ' + latest.version)
} else if (lines[i].indexOf('/caniuse-lite') >= 0) {
lines[i] = lines[i].replace(/\/[^/:]+:/, '/' + latest.version + ':')
for (i = i + 1; i < lines.length; i++) {
if (lines[i].indexOf('integrity: ') !== -1) {
lines[i] = lines[i].replace(
/integrity: .+/, 'integrity: ' + latest.dist.integrity
)
} else if (lines[i].indexOf(' /') !== -1) {
break
}
}
}
}
} else if (lock.mode === 'yarn') {
for (i = 0; i < lines.length; i++) {
if (lines[i].indexOf('caniuse-lite@') !== -1) {
lines[i + 1] = lines[i + 1].replace(
/version "[^"]+"/, 'version "' + latest.version + '"'
)
lines[i + 2] = lines[i + 2].replace(
/resolved "[^"]+"/, 'resolved "' + latest.dist.tarball + '"'
)
lines[i + 3] = lines[i + 3].replace(
/integrity .+/, 'integrity ' + latest.dist.integrity
)
i += 4
}
}
}
return lines.join('\n')
}
}
function deletePackage (node) {
if (node.dependencies) {
delete node.dependencies['caniuse-lite']
for (var i in node.dependencies) {
node.dependencies[i] = deletePackage(node.dependencies[i])
}
}
return node
}
module.exports = function updateDB (print) {
var lock = detectLockfile()
lock.content = fs.readFileSync(lock.file).toString()
var current = getCurrentVersion(lock)
var latest = getLatestInfo(lock)
var browsersListRetrievalError
var oldBrowsersList
try {
oldBrowsersList = getBrowsersList()
} catch (e) {
browsersListRetrievalError = e
}
if (typeof current === 'string') {
print('Current version: ' + bold(red(current)) + '\n')
}
print(
'New version: ' + bold(green(latest.version)) + '\n' +
'Removing old caniuse-lite from lock file\n'
)
fs.writeFileSync(lock.file, updateLockfile(lock, latest))
var install = lock.mode === 'yarn' ? 'yarn add -W' : lock.mode + ' install'
print(
'Installing new caniuse-lite version\n' +
yellow('$ ' + install + ' caniuse-lite') + '\n'
)
try {
childProcess.execSync(install + ' caniuse-lite')
} catch (e) /* istanbul ignore next */ {
print(
red(
'\n' +
e.stack + '\n\n' +
'Problem with `' + install + ' caniuse-lite` call. ' +
'Run it manually.\n'
)
)
process.exit(1)
}
var del = lock.mode === 'yarn' ? 'yarn remove -W' : lock.mode + ' uninstall'
print(
'Cleaning package.json dependencies from caniuse-lite\n' +
yellow('$ ' + del + ' caniuse-lite') + '\n'
)
childProcess.execSync(del + ' caniuse-lite')
print('caniuse-lite has been successfully updated\n')
var currentBrowsersList
if (!browsersListRetrievalError) {
try {
currentBrowsersList = getBrowsersList()
} catch (e) /* istanbul ignore next */ {
browsersListRetrievalError = e
}
}
if (browsersListRetrievalError) {
print(
red(
'\n' +
browsersListRetrievalError.stack + '\n\n' +
'Problem with browsers 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' + green('No target browser changes') + '\n')
}
}
}
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