Initial project creation panel

lib/projects.ts

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+import os from "node:os";
+import path from "node:path";
+import { z } from "zod";
+
+export const projectNameSchema = z
+  .string()
+  .trim()
+  .min(1, "Enter a project name.")
+  .max(64, "Project names must be 64 characters or fewer.")
+  .regex(
+    /^[a-zA-Z0-9][a-zA-Z0-9 _-]*$/,
+    "Use letters, numbers, spaces, hyphens, or underscores.",
+  )
+  .refine((name) => !name.includes(".."), "Project names cannot contain '..'.");
+
+export function getProjectsRoot() {
+  return path.resolve(process.env.PROJECTS_ROOT || path.join(os.homedir(), "projects"));
+}
+
+export function getProjectPath(name: string) {
+  const root = getProjectsRoot();
+  const projectPath = path.resolve(root, name);
+
+  if (projectPath === root || !projectPath.startsWith(`${root}${path.sep}`)) {
+    throw new Error("The project path must remain inside the projects directory.");
+  }
+
+  return projectPath;
+}

lib/utils.ts

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+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}