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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
'use strict'
var ms = require('mississippi')
var jsonstream = require('JSONStream')
var columnify = require('columnify')
module.exports = formatPackageStream
function formatPackageStream (opts) {
opts = opts || {}
if (opts.json) {
return jsonOutputStream()
} else {
return textOutputStream(opts)
}
}
function jsonOutputStream () {
return ms.pipeline.obj(
ms.through.obj(),
jsonstream.stringify('[', ',', ']'),
ms.through()
)
}
function textOutputStream (opts) {
var line = 0
return ms.through.obj(function (pkg, enc, cb) {
cb(null, prettify(pkg, ++line, opts))
})
}
function prettify (data, num, opts) {
opts = opts || {}
var truncate = !opts.long
var dat = stripData(data, opts)
dat.author = dat.maintainers
delete dat.maintainers
dat.date = dat.time
delete dat.time
// split keywords on whitespace or ,
if (typeof dat.keywords === 'string') {
dat.keywords = dat.keywords.split(/[,\s]+/)
}
if (Array.isArray(dat.keywords)) {
dat.keywords = dat.keywords.join(' ')
}
// split author on whitespace or ,
if (typeof dat.author === 'string') {
dat.author = dat.author.split(/[,\s]+/)
}
if (Array.isArray(dat.author)) {
dat.author = dat.author.join(' ')
}
var columns = opts.description
? ['name', 'description', 'author', 'date', 'version', 'keywords']
: ['name', 'author', 'date', 'version', 'keywords']
if (opts.parseable) {
return columns.map(function (col) {
return dat[col] && ('' + dat[col]).replace(/\t/g, ' ')
}).join('\t')
}
var output = columnify(
[dat],
{
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 }
}
}
)
output = trimToMaxWidth(output)
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.substr(1, arg.length - 2), 'gi'),
function (bit) { return 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.substr(p, piece.length)
var mark = markStart +
str.substr(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 getMaxWidth () {
var cols
try {
var tty = require('tty')
var stdout = process.stdout
cols = !tty.isatty(stdout.fd) ? Infinity : process.stdout.getWindowSize()[0]
cols = (cols === 0) ? Infinity : cols
} catch (ex) { cols = Infinity }
return cols
}
function trimToMaxWidth (str) {
var maxWidth = getMaxWidth()
return str.split('\n').map(function (line) {
return line.slice(0, maxWidth)
}).join('\n')
}
function highlightSearchTerms (str, terms) {
terms.forEach(function (arg, i) {
str = addColorMarker(str, arg, i)
})
return colorize(str).trim()
}
function stripData (data, opts) {
opts = opts || {}
return {
name: data.name,
description: opts.description ? data.description : '',
maintainers: (data.maintainers || []).map(function (m) {
return '=' + m.name
}),
url: !Object.keys(data.versions || {}).length ? data.url : null,
keywords: data.keywords || [],
version: Object.keys(data.versions || {})[0] || [],
time: data.time &&
data.time.modified &&
(new Date(data.time.modified).toISOString() // remove time
.split('T').join(' ')
.replace(/:[0-9]{2}\.[0-9]{3}Z$/, ''))
.slice(0, -5) ||
'prehistoric'
}
}
|
