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
|
const chalk = require('chalk')
const nocolor = {
bold: s => s,
dim: s => s,
red: s => s,
yellow: s => s,
cyan: s => s,
magenta: s => s,
blue: s => s,
green: s => s,
}
const { relative } = require('path')
const explainNode = (node, depth, color) =>
printNode(node, color) +
explainDependents(node, depth, color) +
explainLinksIn(node, depth, color)
const colorType = (type, color) => {
const { red, yellow, cyan, magenta, blue, green } = color ? chalk : nocolor
const style = type === 'extraneous' ? red
: type === 'dev' ? yellow
: type === 'optional' ? cyan
: type === 'peer' ? magenta
: type === 'bundled' ? blue
: type === 'workspace' ? green
: /* istanbul ignore next */ s => s
return style(type)
}
const printNode = (node, color) => {
const {
name,
version,
location,
extraneous,
dev,
optional,
peer,
bundled,
isWorkspace,
} = node
const { bold, dim, green } = color ? chalk : nocolor
const extra = []
if (extraneous) {
extra.push(' ' + bold(colorType('extraneous', color)))
}
if (dev) {
extra.push(' ' + bold(colorType('dev', color)))
}
if (optional) {
extra.push(' ' + bold(colorType('optional', color)))
}
if (peer) {
extra.push(' ' + bold(colorType('peer', color)))
}
if (bundled) {
extra.push(' ' + bold(colorType('bundled', color)))
}
const pkgid = isWorkspace
? green(`${name}@${version}`)
: `${bold(name)}@${bold(version)}`
return `${pkgid}${extra.join('')}` +
(location ? dim(`\n${location}`) : '')
}
const explainLinksIn = ({ linksIn }, depth, color) => {
if (!linksIn || !linksIn.length || depth <= 0) {
return ''
}
const messages = linksIn.map(link => explainNode(link, depth - 1, color))
const str = '\n' + messages.join('\n')
return str.split('\n').join('\n ')
}
const explainDependents = ({ name, dependents }, depth, color) => {
if (!dependents || !dependents.length || depth <= 0) {
return ''
}
const max = Math.ceil(depth / 2)
const messages = dependents.slice(0, max)
.map(edge => explainEdge(edge, depth, color))
// show just the names of the first 5 deps that overflowed the list
if (dependents.length > max) {
let len = 0
const maxLen = 50
const showNames = []
for (let i = max; i < dependents.length; i++) {
const { from: { name = 'the root project' } } = dependents[i]
len += name.length
if (len >= maxLen && i < dependents.length - 1) {
showNames.push('...')
break
}
showNames.push(name)
}
const show = `(${showNames.join(', ')})`
messages.push(`${dependents.length - max} more ${show}`)
}
const str = '\n' + messages.join('\n')
return str.split('\n').join('\n ')
}
const explainEdge = ({ name, type, bundled, from, spec }, depth, color) => {
const { bold } = color ? chalk : nocolor
const dep = type === 'workspace'
? bold(relative(from.location, spec.slice('file:'.length)))
: `${bold(name)}@"${bold(spec)}"`
const fromMsg = ` from ${explainFrom(from, depth, color)}`
return (type === 'prod' ? '' : `${colorType(type, color)} `) +
(bundled ? `${colorType('bundled', color)} ` : '') +
`${dep}${fromMsg}`
}
const explainFrom = (from, depth, color) => {
if (!from.name && !from.version) {
return 'the root project'
}
return printNode(from, color) +
explainDependents(from, depth - 1, color) +
explainLinksIn(from, depth - 1, color)
}
module.exports = { explainNode, printNode, explainEdge }
|
