refactor(src): split oversized modules

src/cli/gateway-cli/discover.ts

@@ -0,0 +1,108 @@
+import type { GatewayBonjourBeacon } from "../../infra/bonjour-discovery.js";
+import { colorize, theme } from "../../terminal/theme.js";
+
+export type GatewayDiscoverOpts = {
+  timeout?: string;
+  json?: boolean;
+};
+
+export function parseDiscoverTimeoutMs(
+  raw: unknown,
+  fallbackMs: number,
+): number {
+  if (raw === undefined || raw === null) return fallbackMs;
+  const value =
+    typeof raw === "string"
+      ? raw.trim()
+      : typeof raw === "number" || typeof raw === "bigint"
+        ? String(raw)
+        : null;
+  if (value === null) {
+    throw new Error("invalid --timeout");
+  }
+  if (!value) return fallbackMs;
+  const parsed = Number.parseInt(value, 10);
+  if (!Number.isFinite(parsed) || parsed <= 0) {
+    throw new Error(`invalid --timeout: ${value}`);
+  }
+  return parsed;
+}
+
+export function pickBeaconHost(beacon: GatewayBonjourBeacon): string | null {
+  const host = beacon.tailnetDns || beacon.lanHost || beacon.host;
+  return host?.trim() ? host.trim() : null;
+}
+
+export function pickGatewayPort(beacon: GatewayBonjourBeacon): number {
+  const port = beacon.gatewayPort ?? 18789;
+  return port > 0 ? port : 18789;
+}
+
+export function dedupeBeacons(
+  beacons: GatewayBonjourBeacon[],
+): GatewayBonjourBeacon[] {
+  const out: GatewayBonjourBeacon[] = [];
+  const seen = new Set<string>();
+  for (const b of beacons) {
+    const host = pickBeaconHost(b) ?? "";
+    const key = [
+      b.domain ?? "",
+      b.instanceName ?? "",
+      b.displayName ?? "",
+      host,
+      String(b.port ?? ""),
+      String(b.bridgePort ?? ""),
+      String(b.gatewayPort ?? ""),
+    ].join("|");
+    if (seen.has(key)) continue;
+    seen.add(key);
+    out.push(b);
+  }
+  return out;
+}
+
+export function renderBeaconLines(
+  beacon: GatewayBonjourBeacon,
+  rich: boolean,
+): string[] {
+  const nameRaw = (
+    beacon.displayName ||
+    beacon.instanceName ||
+    "Gateway"
+  ).trim();
+  const domainRaw = (beacon.domain || "local.").trim();
+
+  const title = colorize(rich, theme.accentBright, nameRaw);
+  const domain = colorize(rich, theme.muted, domainRaw);
+
+  const host = pickBeaconHost(beacon);
+  const gatewayPort = pickGatewayPort(beacon);
+  const wsUrl = host ? `ws://${host}:${gatewayPort}` : null;
+
+  const lines = [`- ${title} ${domain}`];
+
+  if (beacon.tailnetDns) {
+    lines.push(
+      `  ${colorize(rich, theme.info, "tailnet")}: ${beacon.tailnetDns}`,
+    );
+  }
+  if (beacon.lanHost) {
+    lines.push(`  ${colorize(rich, theme.info, "lan")}: ${beacon.lanHost}`);
+  }
+  if (beacon.host) {
+    lines.push(`  ${colorize(rich, theme.info, "host")}: ${beacon.host}`);
+  }
+
+  if (wsUrl) {
+    lines.push(
+      `  ${colorize(rich, theme.muted, "ws")}: ${colorize(rich, theme.command, wsUrl)}`,
+    );
+  }
+  if (typeof beacon.sshPort === "number" && beacon.sshPort > 0 && host) {
+    const ssh = `ssh -N -L 18789:127.0.0.1:18789 <user>@${host} -p ${beacon.sshPort}`;
+    lines.push(
+      `  ${colorize(rich, theme.muted, "ssh")}: ${colorize(rich, theme.command, ssh)}`,
+    );
+  }
+  return lines;
+}