feat: add shared util helpers and config

src/lib/util.ts

@@ -0,0 +1,37 @@
+export const DEFAULT_BASE_URL = "http://localhost:9292";
+
+export interface CfgSettings {
+  baseUrl?: string;
+  apiKey?: string;
+}
+
+export interface LlamaSwapConfig {
+  baseUrl: string;
+  apiKey?: string;
+}
+
+export function cfgFromSettings(settings: CfgSettings): LlamaSwapConfig {
+  return {
+    baseUrl: normalizeBaseUrl(settings.baseUrl ?? DEFAULT_BASE_URL),
+    apiKey: settings.apiKey || undefined,
+  };
+}
+
+export function normalizeBaseUrl(baseUrl: string): string {
+  return baseUrl.trim().replace(/\/+$/, "");
+}
+
+export function shorten(name: string, max = 14): string {
+  if (name.length <= max) return name;
+  const head = Math.floor((max - 1) * 0.7);
+  return `${name.slice(0, head)}…${name.slice(name.length - (max - head - 1))}`;
+}
+
+export function escapeXml(text: string): string {
+  return text
+    .replace(/&/g, "&amp;")
+    .replace(/</g, "&lt;")
+    .replace(/>/g, "&gt;")
+    .replace(/"/g, "&quot;")
+    .replace(/'/g, "&apos;");
+}