110 lines
3 KiB
TypeScript
110 lines
3 KiB
TypeScript
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import { existsSync, readFileSync, statSync, writeFileSync, mkdirSync } from "node:fs";
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import { dirname, resolve } from "node:path";
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import { homedir } from "node:os";
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import { webPreferencesPath } from "../../../../src/app-paths.ts";
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import { discoverProjects } from "../../../../src/web/project-discovery-service.ts";
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export const runtime = "nodejs";
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export const dynamic = "force-dynamic";
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/** Shape of persisted web preferences. */
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interface WebPreferences {
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devRoot?: string;
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lastActiveProject?: string;
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}
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/** Expand leading `~/` to the user's home directory. */
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function expandTilde(p: string): string {
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if (p === "~") return homedir();
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if (p.startsWith("~/")) return homedir() + p.slice(1);
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return p;
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}
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/**
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* POST /api/switch-root
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*
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* Validates the new root path, persists it as the `devRoot` preference,
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* and returns the discovered projects under the new root.
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*
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* Request body: { "devRoot": "/absolute/path" }
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* Response: { "devRoot": "/resolved/path", "projects": [...] }
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*/
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export async function POST(request: Request): Promise<Response> {
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try {
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const body = (await request.json()) as Record<string, unknown>;
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const rawDevRoot = typeof body.devRoot === "string" ? body.devRoot.trim() : "";
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if (!rawDevRoot) {
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return Response.json(
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{ error: "Missing devRoot in request body" },
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{ status: 400 },
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);
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}
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const expanded = expandTilde(rawDevRoot);
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const resolved = resolve(expanded);
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// Validate: path must exist
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if (!existsSync(resolved)) {
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return Response.json(
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{ error: `Path does not exist: ${resolved}` },
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{ status: 400 },
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);
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}
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// Validate: path must be a directory
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try {
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const stat = statSync(resolved);
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if (!stat.isDirectory()) {
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return Response.json(
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{ error: `Not a directory: ${resolved}` },
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{ status: 400 },
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);
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}
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} catch {
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return Response.json(
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{ error: `Cannot access path: ${resolved}` },
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{ status: 400 },
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);
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}
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// Read existing preferences and merge
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let existing: WebPreferences = {};
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try {
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if (existsSync(webPreferencesPath)) {
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existing = JSON.parse(readFileSync(webPreferencesPath, "utf-8"));
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}
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} catch {
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// Corrupt file — start fresh
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}
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const prefs: WebPreferences = {
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...existing,
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devRoot: resolved,
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// Clear last active project since we're changing the root
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lastActiveProject: undefined,
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};
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// Ensure parent directory exists
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const dir = dirname(webPreferencesPath);
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if (!existsSync(dir)) {
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mkdirSync(dir, { recursive: true });
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}
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writeFileSync(webPreferencesPath, JSON.stringify(prefs, null, 2), "utf-8");
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// Discover projects under the new root
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const projects = discoverProjects(resolved, true);
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return Response.json({
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devRoot: resolved,
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projects,
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});
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} catch (err) {
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return Response.json(
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{ error: `Failed to switch root: ${err instanceof Error ? err.message : String(err)}` },
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{ status: 500 },
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);
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}
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}
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