forked from nodejs/node
-
Notifications
You must be signed in to change notification settings - Fork 2
/
set-script.js
79 lines (71 loc) · 2.43 KB
/
set-script.js
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
const log = require('npmlog')
const fs = require('fs')
const parseJSON = require('json-parse-even-better-errors')
const rpj = require('read-package-json-fast')
const { resolve } = require('path')
const BaseCommand = require('./base-command.js')
class SetScript extends BaseCommand {
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get description () {
return 'Set tasks in the scripts section of package.json'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get name () {
return 'set-script'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get usage () {
return ['[<script>] [<command>]']
}
async completion (opts) {
const argv = opts.conf.argv.remain
if (argv.length === 2) {
// find the script name
const json = resolve(this.npm.localPrefix, 'package.json')
const { scripts = {} } = await rpj(json).catch(er => ({}))
return Object.keys(scripts)
}
}
exec (args, cb) {
this.set(args).then(() => cb()).catch(cb)
}
async set (args) {
if (process.env.npm_lifecycle_event === 'postinstall')
throw new Error('Scripts can’t set from the postinstall script')
// Parse arguments
if (args.length !== 2)
throw new Error(`Expected 2 arguments: got ${args.length}`)
// Set the script
let manifest
let warn = false
try {
manifest = fs.readFileSync(this.npm.localPrefix + '/package.json', 'utf-8')
} catch (error) {
throw new Error('package.json not found')
}
try {
manifest = parseJSON(manifest)
} catch (error) {
throw new Error(`Invalid package.json: ${error}`)
}
if (!manifest.scripts)
manifest.scripts = {}
if (manifest.scripts[args[0]] && manifest.scripts[args[0]] !== args[1])
warn = true
manifest.scripts[args[0]] = args[1]
// format content
const packageJsonInfo = await rpj(this.npm.localPrefix + '/package.json')
const {
[Symbol.for('indent')]: indent,
[Symbol.for('newline')]: newline,
} = packageJsonInfo
const format = indent === undefined ? ' ' : indent
const eol = newline === undefined ? '\n' : newline
const content = (JSON.stringify(manifest, null, format) + '\n')
.replace(/\n/g, eol)
fs.writeFileSync(this.npm.localPrefix + '/package.json', content)
if (warn)
log.warn('set-script', `Script "${args[0]}" was overwritten`)
}
}
module.exports = SetScript