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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
#!/usr/bin/env node
import * as fs from 'fs';
import lernaGetPackages = require('lerna-get-packages');
import * as _ from 'lodash';
import * as moment from 'moment';
import * as path from 'path';
import { exec as execAsync, spawn } from 'promisify-child-process';
import semverDiff = require('semver-diff');
import semverSort = require('semver-sort');
import { constants } from './constants';
import { Changelog, Changes, SemVerIndex, UpdatedPackage } from './types';
import { utils } from './utils';
const IS_DRY_RUN = false;
const TODAYS_TIMESTAMP = moment().unix();
const LERNA_EXECUTABLE = './node_modules/lerna/bin/lerna.js';
const semverNameToIndex: { [semver: string]: number } = {
patch: SemVerIndex.Patch,
minor: SemVerIndex.Minor,
major: SemVerIndex.Major,
};
(async () => {
const updatedPublicPackages = await getPublicLernaUpdatedPackagesAsync();
const updatedPackageNames = _.map(updatedPublicPackages, pkg => pkg.name);
const allLernaPackages = lernaGetPackages(constants.monorepoRootPath);
const updatedPublicLernaPackages = _.filter(allLernaPackages, pkg => {
return _.includes(updatedPackageNames, pkg.package.name);
});
const relevantPackageNames = _.map(updatedPublicLernaPackages, pkg => pkg.package.name);
utils.log(`Will update CHANGELOGs and publish: \n${relevantPackageNames.join('\n')}\n`);
const packageToVersionChange: { [name: string]: string } = {};
_.each(updatedPublicLernaPackages, lernaPackage => {
const packageName = lernaPackage.package.name;
const changelogJSONPath = path.join(lernaPackage.location, 'CHANGELOG.json');
const changelogJSON = getChangelogJSONOrCreateIfMissing(lernaPackage.package.name, changelogJSONPath);
let changelogs: Changelog[];
try {
changelogs = JSON.parse(changelogJSON);
} catch (err) {
throw new Error(
`${lernaPackage.package.name}'s CHANGELOG.json contains invalid JSON. Please fix and try again.`,
);
}
const currentVersion = lernaPackage.package.version;
const shouldAddNewEntry = shouldAddNewChangelogEntry(changelogs);
if (shouldAddNewEntry) {
// Create a new entry for a patch version with generic changelog entry.
const nextPatchVersion = utils.getNextPatchVersion(currentVersion);
const newChangelogEntry: Changelog = {
timestamp: TODAYS_TIMESTAMP,
version: nextPatchVersion,
changes: [
{
note: 'Dependencies updated',
},
],
};
changelogs = [newChangelogEntry, ...changelogs];
packageToVersionChange[packageName] = semverDiff(currentVersion, nextPatchVersion);
} else {
// Update existing entry with timestamp
const lastEntry = changelogs[0];
if (_.isUndefined(lastEntry.timestamp)) {
lastEntry.timestamp = TODAYS_TIMESTAMP;
}
// Check version number is correct.
const proposedNextVersion = lastEntry.version;
lastEntry.version = updateVersionNumberIfNeeded(currentVersion, proposedNextVersion);
changelogs[0] = lastEntry;
packageToVersionChange[packageName] = semverDiff(currentVersion, lastEntry.version);
}
// Save updated CHANGELOG.json
fs.writeFileSync(changelogJSONPath, JSON.stringify(changelogs, null, '\t'));
utils.log(`${packageName}: Updated CHANGELOG.json`);
// Generate updated CHANGELOG.md
const changelogMd = generateChangelogMd(changelogs);
const changelogMdPath = path.join(lernaPackage.location, 'CHANGELOG.md');
fs.writeFileSync(changelogMdPath, changelogMd);
utils.log(`${packageName}: Updated CHANGELOG.md`);
});
if (!IS_DRY_RUN) {
await execAsync(`git add . --all`, { cwd: constants.monorepoRootPath });
await execAsync(`git commit -m "Updated CHANGELOGS"`, { cwd: constants.monorepoRootPath });
await execAsync(`git push`, { cwd: constants.monorepoRootPath });
utils.log(`Pushed CHANGELOG updates to Github`);
}
utils.log('Version updates to apply:');
_.each(packageToVersionChange, (versionChange: string, packageName: string) => {
utils.log(`${packageName} -> ${versionChange}`);
});
utils.log(`Calling 'lerna publish'...`);
await lernaPublishAsync(packageToVersionChange);
})().catch(err => {
utils.log(err);
process.exit(1);
});
async function lernaPublishAsync(packageToVersionChange: { [name: string]: string }) {
// HACK: Lerna publish does not provide a way to specify multiple package versions via
// flags so instead we need to interact with their interactive prompt interface.
const child = spawn('lerna', ['publish', '--registry=https://registry.npmjs.org/'], {
cwd: constants.monorepoRootPath,
});
child.stdout.on('data', (data: Buffer) => {
const output = data.toString('utf8');
const isVersionPrompt = _.includes(output, 'Select a new version');
if (isVersionPrompt) {
const outputStripLeft = output.split('new version for ')[1];
const packageName = outputStripLeft.split(' ')[0];
let versionChange = packageToVersionChange[packageName];
const isPrivatePackage = _.isUndefined(versionChange);
if (isPrivatePackage) {
versionChange = 'patch'; // Always patch updates to private packages.
}
const semVerIndex = semverNameToIndex[versionChange];
child.stdin.write(`${semVerIndex}\n`);
}
const isFinalPrompt = _.includes(output, 'Are you sure you want to publish the above changes?');
if (isFinalPrompt && !IS_DRY_RUN) {
child.stdin.write(`y\n`);
} else if (isFinalPrompt && IS_DRY_RUN) {
utils.log(
`Submitted all versions to Lerna but since this is a dry run, did not confirm. You need to CTRL-C to exit.`,
);
}
});
}
async function getPublicLernaUpdatedPackagesAsync(): Promise<UpdatedPackage[]> {
const result = await execAsync(`${LERNA_EXECUTABLE} updated --json`, { cwd: constants.monorepoRootPath });
const updatedPackages = JSON.parse(result.stdout);
const updatedPublicPackages = _.filter(updatedPackages, updatedPackage => !updatedPackage.private);
return updatedPublicPackages;
}
function updateVersionNumberIfNeeded(currentVersion: string, proposedNextVersion: string) {
if (proposedNextVersion === currentVersion) {
return utils.getNextPatchVersion(currentVersion);
}
const sortedVersions = semverSort.desc([proposedNextVersion, currentVersion]);
if (sortedVersions[0] !== proposedNextVersion) {
return utils.getNextPatchVersion(currentVersion);
}
return proposedNextVersion;
}
function getChangelogJSONOrCreateIfMissing(packageName: string, changelogPath: string): string {
let changelogJSON: string;
try {
changelogJSON = fs.readFileSync(changelogPath, 'utf-8');
return changelogJSON;
} catch (err) {
// If none exists, create new, empty one.
const emptyChangelogJSON = JSON.stringify([]);
fs.writeFileSync(changelogPath, emptyChangelogJSON);
return emptyChangelogJSON;
}
}
function shouldAddNewChangelogEntry(changelogs: Changelog[]): boolean {
if (_.isEmpty(changelogs)) {
return true;
}
const lastEntry = changelogs[0];
return !!lastEntry.isPublished;
}
function generateChangelogMd(changelogs: Changelog[]): string {
let changelogMd = `<!--
This file is auto-generated using the monorepo-scripts package. Don't edit directly.
Edit the package's CHANGELOG.json file only.
-->
CHANGELOG
`;
_.each(changelogs, changelog => {
if (_.isUndefined(changelog.timestamp)) {
throw new Error(
'All CHANGELOG.json entries must be updated to include a timestamp before generating their MD version',
);
}
const date = moment(`${changelog.timestamp}`, 'X').format('MMMM D, YYYY');
const title = `\n## v${changelog.version} - _${date}_\n\n`;
changelogMd += title;
let changes = '';
_.each(changelog.changes, change => {
let line = ` * ${change.note}`;
if (!_.isUndefined(change.pr)) {
line += ` (#${change.pr})`;
}
line += '\n';
changes += line;
});
changelogMd += `${changes}`;
});
return changelogMd;
}
|
