From f934792db4c3c1b44550b79cee893aa545164c59 Mon Sep 17 00:00:00 2001
From: sunadoi <57832553+sunadoi@users.noreply.github.com>
Date: Mon, 10 Oct 2022 05:11:25 +0900
Subject: infra: add CI step to detect generate script diffs (#1405)

---
 .github/workflows/commentCodeGeneration.ts | 48 ++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 .github/workflows/commentCodeGeneration.ts

(limited to '.github/workflows/commentCodeGeneration.ts')

diff --git a/.github/workflows/commentCodeGeneration.ts b/.github/workflows/commentCodeGeneration.ts
new file mode 100644
index 00000000..715854cd
--- /dev/null
+++ b/.github/workflows/commentCodeGeneration.ts
@@ -0,0 +1,48 @@
+import type { context as ctx, GitHub } from '@actions/github/lib/utils';
+
+/**
+ * Notifies the PR about uncommitted changes generated by the `generate:*` commands.
+ *
+ * This script is used by github-script
+ * https://github.com/actions/github-script
+ *
+ * @param github A pre-authenticated octokit/rest.js client with pagination plugins
+ * @param context An object containing the context of the workflow run
+ * @param isSuccess A boolean indicating whether the workflow was successful
+ */
+module.exports = async (
+  github: InstanceType<typeof GitHub>,
+  context: typeof ctx,
+  isSuccess: boolean
+) => {
+  const { data: comments } = await github.rest.issues.listComments({
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    issue_number: context.issue.number,
+  });
+
+  const body = `Uncommitted changes were detected after runnning <code>generate:*</code> commands.\nPlease run <code>pnpm run generate:locales</code> and <code>pnpm run generate:api-docs</code> to generate/update the related files, and commit them.`;
+
+  const botComment = comments.find(
+    (comment) => comment.user?.type === 'Bot' && comment.body?.includes(body)
+  );
+
+  if (isSuccess) {
+    if (!botComment) return;
+    await github.rest.issues.deleteComment({
+      owner: context.repo.owner,
+      repo: context.repo.repo,
+      comment_id: botComment.id,
+    });
+    return;
+  }
+
+  if (!botComment) {
+    await github.rest.issues.createComment({
+      issue_number: context.issue.number,
+      owner: context.repo.owner,
+      repo: context.repo.repo,
+      body,
+    });
+  }
+};
-- 
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