source: trip-planner-front/node_modules/node-gyp/lib/util.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.9 KB
Line 
1'use strict'
2
3const log = require('npmlog')
4const execFile = require('child_process').execFile
5const path = require('path')
6
7function logWithPrefix (log, prefix) {
8 function setPrefix (logFunction) {
9 return (...args) => logFunction.apply(null, [ prefix, ...args ]) // eslint-disable-line
10 }
11 return {
12 silly: setPrefix(log.silly),
13 verbose: setPrefix(log.verbose),
14 info: setPrefix(log.info),
15 warn: setPrefix(log.warn),
16 error: setPrefix(log.error)
17 }
18}
19
20function regGetValue (key, value, addOpts, cb) {
21 const outReValue = value.replace(/\W/g, '.')
22 const outRe = new RegExp(`^\\s+${outReValue}\\s+REG_\\w+\\s+(\\S.*)$`, 'im')
23 const reg = path.join(process.env.SystemRoot, 'System32', 'reg.exe')
24 const regArgs = ['query', key, '/v', value].concat(addOpts)
25
26 log.silly('reg', 'running', reg, regArgs)
27 const child = execFile(reg, regArgs, { encoding: 'utf8' },
28 function (err, stdout, stderr) {
29 log.silly('reg', 'reg.exe stdout = %j', stdout)
30 if (err || stderr.trim() !== '') {
31 log.silly('reg', 'reg.exe err = %j', err && (err.stack || err))
32 log.silly('reg', 'reg.exe stderr = %j', stderr)
33 return cb(err, stderr)
34 }
35
36 const result = outRe.exec(stdout)
37 if (!result) {
38 log.silly('reg', 'error parsing stdout')
39 return cb(new Error('Could not parse output of reg.exe'))
40 }
41 log.silly('reg', 'found: %j', result[1])
42 cb(null, result[1])
43 })
44 child.stdin.end()
45}
46
47function regSearchKeys (keys, value, addOpts, cb) {
48 var i = 0
49 const search = () => {
50 log.silly('reg-search', 'looking for %j in %j', value, keys[i])
51 regGetValue(keys[i], value, addOpts, (err, res) => {
52 ++i
53 if (err && i < keys.length) { return search() }
54 cb(err, res)
55 })
56 }
57 search()
58}
59
60module.exports = {
61 logWithPrefix: logWithPrefix,
62 regGetValue: regGetValue,
63 regSearchKeys: regSearchKeys
64}
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