refactor: modularize into core/events/formatters/drivers

src/formatters/push.ts

@@ -0,0 +1,106 @@
+import type { NeutralMessage, NeutralAuthor } from "../types";
+import { GITHUB_COLORS } from "./colors";
+import { emojiPrefix, type T, buildMessage } from "./helpers";
+
+export function formatPush(
+  payload: Record<string, unknown>,
+  repo: string | undefined,
+  author: NeutralAuthor,
+  t: T,
+  showEmoji: boolean,
+): NeutralMessage {
+  const ref = (payload.ref as string)?.replace("refs/heads/", "").replace("refs/tags/", "tag: ");
+  const commits = (payload.commits ?? []) as Array<{
+    id?: string;
+    message?: string;
+    author?: { name?: string; email?: string };
+    added?: string[];
+    removed?: string[];
+    modified?: string[];
+  }>;
+  const count = commits.length;
+  const compareUrl = payload.compare as string | undefined;
+  const forced = payload.forced as boolean | undefined;
+  const created = payload.created as boolean | undefined;
+  const em = (e: string): string => emojiPrefix(e, showEmoji);
+
+  const descriptionParts: string[] = [];
+
+  if (forced) {
+    descriptionParts.push(em("⚠️") + t("events.push.force_push"));
+  }
+  if (created) {
+    descriptionParts.push(em("🆕") + t("events.push.branch_created"));
+  }
+
+  descriptionParts.push(
+    t("events.push.commits_pushed", { count, s: count !== 1 ? "s" : "", ref: ref ?? "" }),
+  );
+
+  if (compareUrl) {
+    descriptionParts.push(t("events.push.view_comparison", { url: compareUrl }));
+  }
+
+  const fields: Array<{ name: string; value: string; inline?: boolean }> = [];
+
+  if (count <= 5) {
+    for (const c of commits) {
+      const shortId = c.id?.slice(0, 7) ?? "???????";
+      const msg = c.message?.split("\n")[0].slice(0, 72) ?? t("common.no_message");
+      fields.push({
+        name: `\`${shortId}\``,
+        value: msg,
+        inline: false,
+      });
+    }
+  } else {
+    const first3 = commits.slice(0, 3);
+    for (const c of first3) {
+      const shortId = c.id?.slice(0, 7) ?? "???????";
+      const msg = c.message?.split("\n")[0].slice(0, 72) ?? t("common.no_message");
+      fields.push({
+        name: `\`${shortId}\``,
+        value: msg,
+        inline: false,
+      });
+    }
+    fields.push({
+      name: `\u200b`,
+      value: t("common.and_n_more", { count: count - 3 }),
+      inline: false,
+    });
+  }
+
+  const added = commits.flatMap((c) => c.added ?? []);
+  const removed = commits.flatMap((c) => c.removed ?? []);
+  const modified = commits.flatMap((c) => c.modified ?? []);
+
+  if (added.length > 0 || removed.length > 0 || modified.length > 0) {
+    const changes: string[] = [];
+    if (added.length > 0) changes.push(t("events.push.added", { count: added.length }));
+    if (removed.length > 0) changes.push(t("events.push.removed", { count: removed.length }));
+    if (modified.length > 0) changes.push(t("events.push.modified", { count: modified.length }));
+    fields.push({
+      name: t("fields.changes"),
+      value: changes.join(" | "),
+      inline: true,
+    });
+  }
+
+  return buildMessage(
+    {
+      author,
+      title: t("events.push.title", {
+        count,
+        s: count !== 1 ? "s" : "",
+        repo: repo ?? t("common.repository"),
+      }),
+      url: compareUrl,
+      color: GITHUB_COLORS.push,
+      description: descriptionParts.join("\n"),
+      fields: fields.length > 0 ? fields : undefined,
+    },
+    t,
+    repo,
+  );
+}