📝 [RUM-152] Add packages name modified next to commit in CHANGELOG

scripts/release/generate-changelog.js

@@ -1,6 +1,8 @@
 'use strict'
 
 const util = require('util')
+const fs = require('fs')
+const { readdirSync } = require('fs')
 const readFile = util.promisify(require('fs').readFile)
 
 const emojiNameMap = require('emoji-name-map')
@@ -13,7 +15,6 @@ const { modifyFile } = require('../lib/files-utils')
 const CHANGELOG_FILE = 'CHANGELOG.md'
 const CONTRIBUTING_FILE = 'CONTRIBUTING.md'
 const PUBLIC_EMOJI_PRIORITY = ['💥', '✨', '🐛', '⚡', '📝']
-
 const INTERNAL_EMOJI_PRIORITY = [
   '👷',
   '🔧',
@@ -29,6 +30,22 @@ const INTERNAL_EMOJI_PRIORITY = [
   '⚗️', // experiment
 ]
 const EMOJI_REGEX = /^\p{Emoji_Presentation}/u
+
+const PACKAGES_DIRECTORY_NAMES = readdirSync('packages')
+
+const PACKAGES_REVERSE_DEPENDENCIES = (() => {
+  const result = new Map()
+  PACKAGES_DIRECTORY_NAMES.forEach((packageDirectoryName) => {
+    for (const dependency of getDepenciesRecursively(packageDirectoryName)) {
+      if (!result.has(dependency)) {
+        result.set(dependency, new Set())
+      }
+      result.get(dependency).add(packageDirectoryName)
+    }
+  })
+  return result
+})()
+
 runMain(async () => {
   if (!process.env.EDITOR) {
     printError('Please configure your environment variable EDITOR')
@@ -88,7 +105,7 @@ function getChangesList() {
   const lastTagHash = command`git rev-list --tags --max-count=1`.run().trim()
   const lastTagName = command`git describe --tags ${lastTagHash}`.run()
 
-  const commits = command`git log ${lastTagName.trimEnd()}..HEAD --pretty=format:%s`.run()
+  const commits = command`git log ${[`${lastTagName.trimEnd()}..HEAD`, '--pretty=format:%H %s']}`.run()
   const changesWithEmojis = emojiNameToUnicode(commits)
 
   let changes = changesWithEmojis.split('\n').filter(isNotVersionEntry)
@@ -97,10 +114,18 @@ function getChangesList() {
 
   changes.forEach((entry) => {
     let trimmedEntry = entry.trim()
-    if (PUBLIC_EMOJI_PRIORITY.some((emoji) => trimmedEntry.startsWith(emoji))) {
-      publicChanges.push(entry)
+    const hash = trimmedEntry.split(' ')[0]
+    const message = trimmedEntry.slice(trimmedEntry.indexOf(' ') + 1)
+    const affectedPackages = getAffectedPackages(hash)
+
+    const formattedPackages = affectedPackages
+      .map((packageDirectoryName) => `[${packageDirectoryName.toUpperCase()}]`)
+      .join(' ')
+
+    if (PUBLIC_EMOJI_PRIORITY.some((emoji) => message.startsWith(emoji))) {
+      publicChanges.push(`${message} ${formattedPackages}`)
     } else {
-      internalChanges.push(entry)
+      internalChanges.push(`${message} ${formattedPackages}`)
     }
   })
 
@@ -120,6 +145,38 @@ ${internalChanges.join('\n')}
 `.replace(/\(#(\d+)\)/gm, (_, id) => `([#${id}](https://github.com/DataDog/browser-sdk/pull/${id}))`)
 }
 
+function getAffectedPackages(hash) {
+  const changedFiles = command`git diff-tree --no-commit-id --name-only -r ${hash}`.run().trim().split('\n')
+  const affectedPackages = new Set()
+
+  changedFiles.forEach((filePath) => {
+    const packageDirectoryName = getPackageDirectoryNameFromFilePath(filePath)
+    if (packageDirectoryName) {
+      if (!isToplevelPackage(packageDirectoryName)) {
+        PACKAGES_REVERSE_DEPENDENCIES.get(packageDirectoryName).forEach((dependentPackageDirectoryName) => {
+          if (isToplevelPackage(dependentPackageDirectoryName)) {
+            affectedPackages.add(dependentPackageDirectoryName)
+          }
+        })
+      } else {
+        affectedPackages.add(packageDirectoryName)
+      }
+    }
+  })
+
+  return Array.from(affectedPackages)
+}
+
+function getPackageDirectoryNameFromFilePath(filePath) {
+  if (filePath.startsWith('packages/')) {
+    return filePath.split('/')[1]
+  }
+}
+
+function isToplevelPackage(packageDirectoryName) {
+  return !PACKAGES_REVERSE_DEPENDENCIES.has(packageDirectoryName)
+}
+
 function sortByEmojiPriority(a, b, priorityList) {
   const getFirstRelevantEmojiIndex = (text) => {
     const matches = text.match(EMOJI_REGEX) || []
@@ -137,3 +194,29 @@ function emojiNameToUnicode(changes) {
 function isNotVersionEntry(line) {
   return !/^v\d+\.\d+\.\d+/.test(line)
 }
+function getPackageDirectoryNameFromPackageName(packageName) {
+  if (packageName.startsWith('@datadog/browser-')) {
+    return packageName.slice('@datadog/browser-'.length)
+  }
+}
+
+function getDepenciesRecursively(packageDirectoryName) {
+  const packageDirectoryNameJson = JSON.parse(
+    fs.readFileSync(`packages/${packageDirectoryName}/package.json`, { encoding: 'utf-8' })
+  )
+  const dependencies = new Set()
+  if (packageDirectoryNameJson.dependencies) {
+    for (const dependencyPackageName of Object.keys(packageDirectoryNameJson.dependencies)) {
+      const packageDirectoryName = getPackageDirectoryNameFromPackageName(dependencyPackageName)
+      dependencies.add(packageDirectoryName)
+      for (let transitiveDependency of getDepenciesRecursively(packageDirectoryName)) {
+        dependencies.add(transitiveDependency)
+      }
+    }
+  }
+  return dependencies
+}
+
+module.exports = {
+  packagesDirectoryNames: PACKAGES_DIRECTORY_NAMES,
+}

scripts/release/update-peer-dependency-versions.js

@@ -1,10 +1,10 @@
-const { readdirSync } = require('fs')
 const { runMain } = require('../lib/execution-utils')
 const { modifyFile } = require('../lib/files-utils')
 const { command } = require('../lib/command')
 const { browserSdkVersion } = require('../lib/browser-sdk-version')
+const { packagesDirectoryNames } = require('./generate-changelog')
 
-const JSON_FILES = readdirSync('./packages').map((packageName) => `./packages/${packageName}/package.json`)
+const JSON_FILES = packagesDirectoryNames.map((packageName) => `./packages/${packageName}/package.json`)
 
 // This script updates the peer dependency versions between rum and logs packages to match the new
 // version during a release.