Spaces:
Configuration error
Configuration error
File size: 4,347 Bytes
a053984 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 |
#!/usr/bin/env node
var updateDb = require('update-browserslist-db')
var fs = require('fs')
var browserslist = require('./')
var pkg = require('./package.json')
var args = process.argv.slice(2)
var USAGE =
'Usage:\n' +
' npx browserslist\n' +
' npx browserslist "QUERIES"\n' +
' npx browserslist --json "QUERIES"\n' +
' npx browserslist --config="path/to/browserlist/file"\n' +
' npx browserslist --coverage "QUERIES"\n' +
' npx browserslist --coverage=US "QUERIES"\n' +
' npx browserslist --coverage=US,RU,global "QUERIES"\n' +
' npx browserslist --env="environment name defined in config"\n' +
' npx browserslist --stats="path/to/browserlist/stats/file"\n' +
' npx browserslist --mobile-to-desktop\n' +
' npx browserslist --ignore-unknown-versions\n'
function isArg(arg) {
return args.some(function (str) {
return str === arg || str.indexOf(arg + '=') === 0
})
}
function error(msg) {
process.stderr.write('browserslist: ' + msg + '\n')
process.exit(1)
}
if (isArg('--help') || isArg('-h')) {
process.stdout.write(pkg.description + '.\n\n' + USAGE + '\n')
} else if (isArg('--version') || isArg('-v')) {
process.stdout.write('browserslist ' + pkg.version + '\n')
} else if (isArg('--update-db')) {
/* c8 ignore next 8 */
process.stdout.write(
'The --update-db command is deprecated.\n' +
'Please use npx update-browserslist-db@latest instead.\n'
)
process.stdout.write('Browserslist DB update will still be made.\n')
updateDb(function (str) {
process.stdout.write(str)
})
} else {
var mode = 'browsers'
var opts = {}
var queries
var areas
for (var i = 0; i < args.length; i++) {
if (args[i][0] !== '-') {
queries = args[i].replace(/^["']|["']$/g, '')
continue
}
var arg = args[i].split('=')
var name = arg[0]
var value = arg[1]
if (value) value = value.replace(/^["']|["']$/g, '')
if (name === '--config' || name === '-b') {
opts.config = value
} else if (name === '--env' || name === '-e') {
opts.env = value
} else if (name === '--stats' || name === '-s') {
opts.stats = value
} else if (name === '--coverage' || name === '-c') {
if (mode !== 'json') mode = 'coverage'
if (value) {
areas = value.split(',')
} else {
areas = ['global']
}
} else if (name === '--json') {
mode = 'json'
} else if (name === '--mobile-to-desktop') {
/* c8 ignore next */
opts.mobileToDesktop = true
} else if (name === '--ignore-unknown-versions') {
/* c8 ignore next */
opts.ignoreUnknownVersions = true
} else {
error('Unknown arguments ' + args[i] + '.\n\n' + USAGE)
}
}
var browsers
try {
browsers = browserslist(queries, opts)
} catch (e) {
if (e.name === 'BrowserslistError') {
error(e.message)
} /* c8 ignore start */ else {
throw e
} /* c8 ignore end */
}
var coverage
if (mode === 'browsers') {
browsers.forEach(function (browser) {
process.stdout.write(browser + '\n')
})
} else if (areas) {
coverage = areas.map(function (area) {
var stats
if (area !== 'global') {
stats = area
} else if (opts.stats) {
stats = JSON.parse(fs.readFileSync(opts.stats))
}
var result = browserslist.coverage(browsers, stats)
var round = Math.round(result * 100) / 100.0
return [area, round]
})
if (mode === 'coverage') {
var prefix = 'These browsers account for '
process.stdout.write(prefix)
coverage.forEach(function (data, index) {
var area = data[0]
var round = data[1]
var end = 'globally'
if (area && area !== 'global') {
end = 'in the ' + area.toUpperCase()
} else if (opts.stats) {
end = 'in custom statistics'
}
if (index !== 0) {
process.stdout.write(prefix.replace(/./g, ' '))
}
process.stdout.write(round + '% of all users ' + end + '\n')
})
}
}
if (mode === 'json') {
var data = { browsers: browsers }
if (coverage) {
data.coverage = coverage.reduce(function (object, j) {
object[j[0]] = j[1]
return object
}, {})
}
process.stdout.write(JSON.stringify(data, null, ' ') + '\n')
}
}
|