-
-
Notifications
You must be signed in to change notification settings - Fork 769
Expand file tree
/
Copy pathcli.js
More file actions
executable file
路156 lines (138 loc) 路 4.25 KB
/
Copy pathcli.js
File metadata and controls
executable file
路156 lines (138 loc) 路 4.25 KB
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
#!/usr/bin/env node
var fs = require('fs')
var updateDb = require('update-browserslist-db')
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')
}
}