feat: deliver module database ABI by manifest

packages/contracts/src/module-schema-names.ts

@@ -0,0 +1,31 @@
+import { z } from "zod";
+import { type ModuleId, moduleIdSchema } from "./identifiers.js";
+
+export const POSTGRES_IDENTIFIER_MAX_LENGTH = 63;
+
+export const moduleTableLocalNameSchema = z
+  .string()
+  .min(1)
+  .regex(/^[a-z][a-z0-9]*(?:_[a-z0-9]+)*$/u, "Must be a lowercase snake-case table name.");
+
+export const physicalModuleTableNameSchema = moduleTableLocalNameSchema.max(
+  POSTGRES_IDENTIFIER_MAX_LENGTH,
+  `Must not exceed ${POSTGRES_IDENTIFIER_MAX_LENGTH} characters.`,
+);
+
+export function moduleTableNamespace(moduleId: ModuleId): string {
+  return moduleIdSchema.parse(moduleId).replaceAll("-", "_");
+}
+
+export function moduleTablePrefix(moduleId: ModuleId): string {
+  return `${moduleTableNamespace(moduleId)}_`;
+}
+
+export function moduleTableName(moduleId: ModuleId, localName: string): string {
+  const parsedLocalName = moduleTableLocalNameSchema.parse(localName);
+  const tableName = `${moduleTablePrefix(moduleId)}${parsedLocalName}`;
+  if (!physicalModuleTableNameSchema.safeParse(tableName).success) {
+    throw new RangeError("The namespaced PostgreSQL table name is invalid or too long.");
+  }
+  return tableName;
+}