initial commit: add server

server/scripts/ensure-prisma-client.mjs

@@ -0,0 +1,57 @@
+import { execFileSync } from "node:child_process";
+import { copyFileSync, existsSync, readFileSync } from "node:fs";
+import { dirname, join, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const scriptDir = dirname(fileURLToPath(import.meta.url));
+const rootDir = resolve(scriptDir, "..");
+const clientDir = join(rootDir, "node_modules", ".prisma", "client");
+const clientIndex = join(clientDir, "index.js");
+const prismaBin = join(rootDir, "node_modules", ".bin", "prisma");
+const genericEngine = join(clientDir, "libquery_engine.node");
+
+function parseExpectedEngineFiles() {
+  if (!existsSync(clientIndex)) return [];
+  const content = readFileSync(clientIndex, "utf8");
+  const matches = content.match(/libquery_engine-[^"'\\/]+?\.node/g) ?? [];
+  return [...new Set(matches)];
+}
+
+function missingEngineFiles(expectedFiles) {
+  return expectedFiles.filter((file) => !existsSync(join(clientDir, file)));
+}
+
+function runPrismaGenerate() {
+  if (!existsSync(prismaBin)) {
+    throw new Error(
+      "Prisma CLI not found. Install dev dependencies and run `npm run prisma:generate`."
+    );
+  }
+  execFileSync(prismaBin, ["generate"], {
+    cwd: rootDir,
+    stdio: "inherit",
+  });
+}
+
+let expectedFiles = parseExpectedEngineFiles();
+let missingFiles = missingEngineFiles(expectedFiles);
+
+if (!expectedFiles.length || missingFiles.length) {
+  runPrismaGenerate();
+  expectedFiles = parseExpectedEngineFiles();
+  missingFiles = missingEngineFiles(expectedFiles);
+}
+
+if (missingFiles.length === 1 && existsSync(genericEngine)) {
+  copyFileSync(genericEngine, join(clientDir, missingFiles[0]));
+  missingFiles = missingEngineFiles(expectedFiles);
+}
+
+if (missingFiles.length) {
+  throw new Error(
+    `Missing Prisma engine file(s): ${missingFiles.join(
+      ", "
+    )}. Ensure deployment copies node_modules/.prisma (including dot-directories).`
+  );
+}
+