From bc9cb0339d9e7500231e0f467e81ca5c277e6ca7 Mon Sep 17 00:00:00 2001
From: andrew <andrew@channel.io>
Date: Sun, 15 Oct 2023 12:19:58 +0900
Subject: [PATCH] feat(bezier-icons): add changeset generating job to workflow

---
 .github/workflows/generate-icon-files.yml     | 11 +++-
 .../scripts/generate-changeset.js             | 12 ++++
 .../scripts/utils/getChangeLog.js             | 60 +++++++++++++++++++
 3 files changed, 81 insertions(+), 2 deletions(-)
 create mode 100644 packages/bezier-icons/scripts/generate-changeset.js
 create mode 100644 packages/bezier-icons/scripts/utils/getChangeLog.js

diff --git a/.github/workflows/generate-icon-files.yml b/.github/workflows/generate-icon-files.yml
index 224feb45b4..6e125e52b5 100644
--- a/.github/workflows/generate-icon-files.yml
+++ b/.github/workflows/generate-icon-files.yml
@@ -38,12 +38,19 @@ jobs:
         run: echo "pull_request_number=$(gh pr view --json number -q .number || echo "")" >> $GITHUB_OUTPUT
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- 
+
       - name: Add pr description
         if: ${{ steps.generate-svg-files.outputs.icon_not_changed == 0}}
         run: |
           node packages/bezier-icons/scripts/add-pr-description.js ${{ secrets.GITHUB_TOKEN }} ${{ steps.pr.outputs.pull_request_number }}
-      
+
+      - name: Add changeset
+        if: ${{ steps.generate-svg-files.outputs.icon_not_changed == 0}}
+        run: |
+          node packages/bezier-icons/scripts/generate-changeset.js
+          git add .
+          git commit -m "chore(bezier-icons): add changeset"
+
       - name: Delete icons.json files
         run: |
           git rm packages/bezier-icons/icons.json
diff --git a/packages/bezier-icons/scripts/generate-changeset.js b/packages/bezier-icons/scripts/generate-changeset.js
new file mode 100644
index 0000000000..ff0e2ffc50
--- /dev/null
+++ b/packages/bezier-icons/scripts/generate-changeset.js
@@ -0,0 +1,12 @@
+const { exec } = require('child_process')
+const fs = require('fs')
+const path = require('path')
+
+const { getChangeLog } = require('./utils/getChangeLog')
+
+const changesetPath = path.resolve(__dirname, `../../../.changeset/icon-update-${new Date().valueOf()}.md`)
+
+exec('git log -1 --name-status --pretty="format:"', async (_undefined, stdout) => {
+  fs.writeFileSync(changesetPath, getChangeLog(stdout), 'utf-8')
+})
+
diff --git a/packages/bezier-icons/scripts/utils/getChangeLog.js b/packages/bezier-icons/scripts/utils/getChangeLog.js
new file mode 100644
index 0000000000..a487e45312
--- /dev/null
+++ b/packages/bezier-icons/scripts/utils/getChangeLog.js
@@ -0,0 +1,60 @@
+const statusByKey = {
+  M: '**CHANGE**',
+  A: '**ADD**',
+  D: '**DELETE**',
+}
+
+const getIconName = (path) => path.split('/').at(-1)
+
+const getIconChangeLog = (iconsByStatus) => {
+  let res = ''
+
+  for (const [key, icons] of Object.entries(iconsByStatus)) {
+    res += statusByKey[key]
+    res += '\n\n'
+    res += icons.map(icon => `- ${icon}`).join('\n')
+    res += '\n\n'
+  }
+
+  return res
+}
+
+const getIconNamesByStatus = (gitLog) => gitLog
+  .trim()
+  .split('\n')
+  .map(line => line.split('\t'))
+  .filter(line => line[1].endsWith('.svg'))
+  .reduce((acc, cur) => {
+    const [key, file] = cur
+    const icon = getIconName(file)
+
+    if (!icon) { return acc }
+
+    if (!acc[key]) {
+      acc[key] = [icon]
+    } else {
+      acc[key].push(icon)
+    }
+    return acc
+  }, {})
+
+const getChangeLog = (gitLog) => {
+  const iconsByStatus = getIconNamesByStatus(gitLog)
+
+  let description =
+`---
+"@channel.io/bezier-icons": minor
+---
+  
+Update icons
+
+`
+
+  description += getIconChangeLog(iconsByStatus)
+
+  return description.trim()
+}
+
+module.exports = {
+  getChangeLog,
+}