Extract worktree setup callout policy (#878)

packages/app/src/components/worktree-setup-callout-policy.ts

@@ -0,0 +1,85 @@
+import type { PaseoConfigRaw } from "@server/shared/messages";
+import { buildProjectSettingsRoute } from "@/utils/host-routes";
+
+export interface WorktreeSetupWorkspaceInput {
+  projectId: string;
+  projectKind: string;
+  projectRootPath: string;
+  project?: {
+    checkout?: {
+      mainRepoRoot?: string | null;
+    } | null;
+  } | null;
+}
+
+export interface ActiveGitWorkspaceProject {
+  serverId: string;
+  projectKey: string;
+  repoRoot: string;
+}
+
+interface ReadProjectConfigResult {
+  ok: boolean;
+  config?: PaseoConfigRaw | null;
+}
+
+export interface WorktreeSetupCalloutPolicy {
+  id: string;
+  dismissalKey: string;
+  priority: number;
+  title: string;
+  description: string;
+  actionLabel: string;
+  projectSettingsRoute: string;
+  testID: string;
+}
+
+export function selectActiveGitWorkspaceProject(
+  serverId: string,
+  workspace: WorktreeSetupWorkspaceInput,
+): ActiveGitWorkspaceProject | null {
+  if (workspace.projectKind !== "git") {
+    return null;
+  }
+
+  const projectKey = workspace.projectId.trim();
+  const repoRoot = (workspace.project?.checkout?.mainRepoRoot ?? workspace.projectRootPath).trim();
+  if (!projectKey || !repoRoot) {
+    return null;
+  }
+
+  return { serverId, projectKey, repoRoot };
+}
+
+export function shouldShowWorktreeSetupCallout(readResult: ReadProjectConfigResult | undefined) {
+  return readResult?.ok === true && !hasSetupCommands(readResult.config ?? {});
+}
+
+export function buildWorktreeSetupCalloutPolicy(
+  project: ActiveGitWorkspaceProject,
+): WorktreeSetupCalloutPolicy {
+  const calloutKey = `worktree-setup-missing:${project.projectKey}`;
+
+  return {
+    id: calloutKey,
+    dismissalKey: calloutKey,
+    priority: 100,
+    title: "Set up worktree scripts",
+    description:
+      "Add setup commands so new worktrees can install dependencies and prepare themselves automatically.",
+    actionLabel: "Open project settings",
+    projectSettingsRoute: buildProjectSettingsRoute(project.projectKey),
+    testID: `worktree-setup-callout-${project.projectKey}`,
+  };
+}
+
+function hasSetupCommands(config: PaseoConfigRaw): boolean {
+  const setup = config.worktree?.setup;
+  if (typeof setup === "string") {
+    return setup.trim().length > 0;
+  }
+  if (Array.isArray(setup)) {
+    return setup.some((command) => typeof command === "string" && command.trim().length > 0);
+  }
+  return false;
+}