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
|
'use strict';
const { readFileSync } = require('fs');
const path = require('path');
const srcRoot = path.join(__dirname, '..', '..');
let _versions;
const isRelease = () => {
const re = /#define NODE_VERSION_IS_RELEASE 0/;
const file = path.join(srcRoot, 'src', 'node_version.h');
return !re.test(readFileSync(file, { encoding: 'utf8' }));
};
const getUrl = (url) => {
return new Promise((resolve, reject) => {
const https = require('https');
const request = https.get(url, { timeout: 5000 }, (response) => {
if (response.statusCode !== 200) {
reject(new Error(
`Failed to get ${url}, status code ${response.statusCode}`));
}
response.setEncoding('utf8');
let body = '';
response.on('aborted', () => reject());
response.on('data', (data) => body += data);
response.on('end', () => resolve(body));
});
request.on('error', (err) => reject(err));
request.on('timeout', () => request.abort());
});
};
module.exports = {
async versions() {
if (_versions) {
return _versions;
}
// The CHANGELOG.md on release branches may not reference newer semver
// majors of Node.js so fetch and parse the version from the master branch.
const url =
'https://raw.githubusercontent.com/nodejs/node/master/CHANGELOG.md';
let changelog;
try {
changelog = await getUrl(url);
} catch (e) {
// Fail if this is a release build, otherwise fallback to local files.
if (isRelease()) {
throw e;
} else {
const file = path.join(srcRoot, 'CHANGELOG.md');
console.warn(`Unable to retrieve ${url}. Falling back to ${file}.`);
changelog = readFileSync(file, { encoding: 'utf8' });
}
}
const ltsRE = /Long Term Support/i;
const versionRE = /\* \[Node\.js ([0-9.]+)\][^-—]+[-—]\s*(.*)\r?\n/g;
_versions = [];
let match;
while ((match = versionRE.exec(changelog)) != null) {
const entry = { num: `${match[1]}.x` };
if (ltsRE.test(match[2])) {
entry.lts = true;
}
_versions.push(entry);
}
return _versions;
}
};
|
