feat: migrate to Nuxt 4 (Nitro) and Tailwind CSS v3

server/lib/formatters/custom.ts

@@ -0,0 +1,89 @@
+import type { NeutralAuthor, NeutralField, NeutralMessage } from "../types";
+import { type T, buildMessage } from "./helpers";
+
+const COLOR_WORDS: Record<string, number> = {
+  red: 0xf85149,
+  green: 0x3fb950,
+  yellow: 0xd29922,
+  blue: 0x58a6ff,
+  purple: 0xbc8cff,
+  orange: 0xdb6d28,
+  cyan: 0x39c5cf,
+  gray: 0x6e7681,
+};
+
+function parseColor(color: unknown): number | undefined {
+  if (typeof color !== "string") return undefined;
+  const key = color.trim().toLowerCase();
+  if (COLOR_WORDS[key]) return COLOR_WORDS[key];
+  const hex = /^#?([0-9a-f]{6})$/i.exec(key);
+  return hex ? parseInt(hex[1]!, 16) : undefined;
+}
+
+function parseFields(raw: unknown): NeutralField[] | undefined {
+  if (!Array.isArray(raw)) return undefined;
+  const fields: NeutralField[] = [];
+  for (const f of raw) {
+    if (!f || typeof f !== "object") continue;
+    const name = (f as Record<string, unknown>).name;
+    const value = (f as Record<string, unknown>).value;
+    if (typeof name !== "string" || typeof value !== "string") continue;
+    fields.push({
+      name: name || "\u200b",
+      value,
+      inline: (f as Record<string, unknown>).inline === true,
+    });
+  }
+  return fields.length > 0 ? fields : undefined;
+}
+
+/**
+ * Renders a `custom` webhook payload (the message schema documented in
+ * docs/guide/configuration.md) into a NeutralMessage. Unlike forge events the
+ * title is not required to start with a repo; an optional `repo` field is
+ * used as the `{repo}: ` prefix and footer.
+ */
+export function formatCustom(
+  payload: Record<string, unknown>,
+  repo: string | undefined,
+  author: NeutralAuthor,
+  t: T,
+  _showEmoji: boolean,
+): NeutralMessage {
+  const title =
+    typeof payload.title === "string" && payload.title.trim()
+      ? payload.title.trim()
+      : t("custom.title_fallback");
+  const payloadRepo =
+    typeof payload.repo === "string" && payload.repo.trim() ? payload.repo.trim() : undefined;
+  const effectiveRepo = payloadRepo ?? repo;
+  const fullTitle = effectiveRepo ? `${effectiveRepo}: ${title}` : title;
+  const description = typeof payload.description === "string" ? payload.description : undefined;
+  const url = typeof payload.url === "string" ? payload.url : undefined;
+  const footer = typeof payload.footer === "string" ? payload.footer : undefined;
+
+  const rawAuthor = payload.author as Record<string, unknown> | undefined;
+  const customAuthor: NeutralAuthor | undefined =
+    rawAuthor && typeof rawAuthor === "object"
+      ? {
+          name: typeof rawAuthor.name === "string" && rawAuthor.name ? rawAuthor.name : author.name,
+          iconUrl: typeof rawAuthor.iconUrl === "string" ? rawAuthor.iconUrl : author.iconUrl,
+          url: typeof rawAuthor.url === "string" ? rawAuthor.url : author.url,
+        }
+      : undefined;
+
+  return buildMessage(
+    {
+      author: customAuthor,
+      title: fullTitle,
+      url,
+      color: parseColor(payload.color) ?? 0x6e7681,
+      description,
+      fields: parseFields(payload.fields),
+      // A custom message without a repo gets no `{repo}` footer at all.
+      footer: footer ?? (effectiveRepo ? undefined : ""),
+    },
+    t,
+    effectiveRepo,
+  );
+}