[skip ci] Add auto plugin for adding next release changelogs to chang…

…elog file

.autorc

@@ -22,6 +22,7 @@
         "labels": "release"
       }
     ],
-    "./scripts/delete-old-prerelease.js"
+    "./scripts/delete-old-prerelease.js",
+    "./scripts/next-changelogs.js"
   ]
 }

scripts/next-changelogs.js

@@ -0,0 +1,34 @@
+/* eslint-disable no-restricted-syntax */
+/* eslint-disable no-unused-vars */
+/* eslint-disable no-await-in-loop */
+const { execSync } = require("child_process");
+
+const getLatestReleaseTag = () => {
+  const tags = execSync("git tag --sort=-creatordate", { encoding: "utf8" });
+  return tags
+    .split("\n")
+    .map((t) => t.trim())
+    .filter(
+      (tag) =>
+        tag.includes("-next.") ||
+        tag.match(/^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$/),
+    );
+};
+
+class NextChangelogsPlugin {
+  name = "next-changelogs";
+
+  apply(auto) {
+    auto.hooks.next.tapPromise(this.name, async ({ dryRun }) => {
+      const latestRelease = getLatestReleaseTag();
+
+      if (dryRun) {
+        auto.logger.log.info(`Dry run: making changelog for: ${latestRelease}`);
+      } else {
+        await auto.changelog({ from: latestRelease });
+      }
+    });
+  }
+}
+
+module.exports = NextChangelogsPlugin;