1 files changed, 40 insertions, 0 deletions
diff --git a/apps/web/src/params/registry.ts b/apps/web/src/params/registry.ts
new file mode 100644
index 00000000..d9fcc266
--- /dev/null
+++ b/apps/web/src/params/registry.ts
@@ -0,0 +1,40 @@
+import type { ParamDefinition, ParamValues } from "@/params";
+
+export function buildDefaultParamValues(
+	params: ParamDefinition[],
+): ParamValues {
+	const values: ParamValues = {};
+	for (const param of params) {
+		values[param.key] = param.default;
+	}
+	return values;
+}
+
+export class DefinitionRegistry<TKey extends string, TDefinition> {
+	private definitions = new Map<TKey, TDefinition>();
+	private entityName: string;
+
+	constructor(entityName: string) {
+		this.entityName = entityName;
+	}
+
+	register(key: TKey, definition: TDefinition): void {
+		this.definitions.set(key, definition);
+	}
+
+	has(key: TKey): boolean {
+		return this.definitions.has(key);
+	}
+
+	get(key: TKey): TDefinition {
+		const def = this.definitions.get(key);
+		if (!def) {
+			throw new Error(`Unknown ${this.entityName}: ${key}`);
+		}
+		return def;
+	}
+
+	getAll(): TDefinition[] {
+		return Array.from(this.definitions.values());
+	}
+}