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
158
159
160
|
const Minipass = require('minipass')
const columnify = require('columnify')
// This module consumes package data in the following format:
//
// {
// name: String,
// description: String,
// maintainers: [{ username: String, email: String }],
// keywords: String | [String],
// version: String,
// date: Date // can be null,
// }
//
// The returned stream will format this package data
// into a byte stream of formatted, displayable output.
module.exports = (opts) => {
return opts.json ? new JSONOutputStream() : new TextOutputStream(opts)
}
class JSONOutputStream extends Minipass {
#didFirst = false
write (obj) {
if (!this.#didFirst) {
super.write('[\n')
this.#didFirst = true
} else {
super.write('\n,\n')
}
return super.write(JSON.stringify(obj))
}
end () {
super.write(this.#didFirst ? ']\n' : '\n[]\n')
super.end()
}
}
class TextOutputStream extends Minipass {
constructor (opts) {
super()
this._opts = opts
this._line = 0
}
write (pkg) {
return super.write(prettify(pkg, ++this._line, this._opts))
}
}
function prettify (data, num, opts) {
var truncate = !opts.long
var pkg = normalizePackage(data, opts)
var columns = ['name', 'description', 'author', 'date', 'version', 'keywords']
if (opts.parseable) {
return columns.map(function (col) {
return pkg[col] && ('' + pkg[col]).replace(/\t/g, ' ')
}).join('\t')
}
// stdout in tap is never a tty
/* istanbul ignore next */
const maxWidth = process.stdout.isTTY ? process.stdout.getWindowSize()[0] : Infinity
let output = columnify(
[pkg],
{
include: columns,
showHeaders: num <= 1,
columnSplitter: ' | ',
truncate: truncate,
config: {
name: { minWidth: 25, maxWidth: 25, truncate: false, truncateMarker: '' },
description: { minWidth: 20, maxWidth: 20 },
author: { minWidth: 15, maxWidth: 15 },
date: { maxWidth: 11 },
version: { minWidth: 8, maxWidth: 8 },
keywords: { maxWidth: Infinity },
},
}
).split('\n').map(line => line.slice(0, maxWidth)).join('\n')
if (opts.color) {
output = highlightSearchTerms(output, opts.args)
}
return output
}
var colors = [31, 33, 32, 36, 34, 35]
var cl = colors.length
function addColorMarker (str, arg, i) {
var m = i % cl + 1
var markStart = String.fromCharCode(m)
var markEnd = String.fromCharCode(0)
if (arg.charAt(0) === '/') {
return str.replace(
new RegExp(arg.slice(1, -1), 'gi'),
bit => markStart + bit + markEnd
)
}
// just a normal string, do the split/map thing
var pieces = str.toLowerCase().split(arg.toLowerCase())
var p = 0
return pieces.map(function (piece) {
piece = str.slice(p, p + piece.length)
var mark = markStart +
str.slice(p + piece.length, p + piece.length + arg.length) +
markEnd
p += piece.length + arg.length
return piece + mark
}).join('')
}
function colorize (line) {
for (var i = 0; i < cl; i++) {
var m = i + 1
var color = '\u001B[' + colors[i] + 'm'
line = line.split(String.fromCharCode(m)).join(color)
}
var uncolor = '\u001B[0m'
return line.split('\u0000').join(uncolor)
}
function highlightSearchTerms (str, terms) {
terms.forEach(function (arg, i) {
str = addColorMarker(str, arg, i)
})
return colorize(str).trim()
}
function normalizePackage (data, opts) {
return {
name: data.name,
description: data.description,
author: data.maintainers.map((m) => `=${m.username}`).join(' '),
keywords: Array.isArray(data.keywords)
? data.keywords.join(' ')
: typeof data.keywords === 'string'
? data.keywords.replace(/[,\s]+/, ' ')
: '',
version: data.version,
date: (data.date &&
(data.date.toISOString() // remove time
.split('T').join(' ')
.replace(/:[0-9]{2}\.[0-9]{3}Z$/, ''))
.slice(0, -5)) ||
'prehistoric',
}
}
|
