release: WRNexusJS 0.2.29

packages/helpers/src/workspace.ts

@@ -0,0 +1,58 @@
+function workspaceOrigins(): Record<string, string> {
+  const value = process.env.WRNEXUS_WORKSPACE_ORIGINS;
+
+  if (!value) {
+    return {};
+  }
+
+  try {
+    const parsed = JSON.parse(value);
+
+    if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) {
+      return {};
+    }
+
+    return parsed as Record<string, string>;
+  } catch {
+    return {};
+  }
+}
+
+function normalizePath(path: string): string {
+  if (!path) return "/";
+
+  return path.startsWith("/") ? path : `/${path}`;
+}
+
+export function appOrigin(appName: string): string {
+  const origins = workspaceOrigins();
+  const origin = origins[appName];
+
+  if (!origin) {
+    throw new Error(
+      `Unknown workspace app "${appName}". Available apps: ${
+        Object.keys(origins).join(", ") || "none"
+      }.`,
+    );
+  }
+
+  return new URL(origin).origin;
+}
+
+export function appUrl(appName: string, path = "/"): string {
+  return new URL(normalizePath(path), `${appOrigin(appName)}/`).href;
+}
+
+export function currentAppName(): string | undefined {
+  return process.env.WRNEXUS_APP_NAME;
+}
+
+export function currentAppOrigin(): string | undefined {
+  const value = process.env.WRNEXUS_APP_ORIGIN;
+
+  return value ? new URL(value).origin : undefined;
+}
+
+export function workspaceAppOrigins(): Readonly<Record<string, string>> {
+  return Object.freeze({ ...workspaceOrigins() });
+}