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src/lib/game.ts

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+import { createFragment } from "@/lib/fragment";
+import { gql } from "apollo-server-micro";
+
+export const GAME_SYSTEM_CORES = <const>{
+  'gb': 'gambatte',
+  'gbc': 'gambatte',
+  'gba': 'mgba'
+};
+
+export type GameSystem = keyof typeof GAME_SYSTEM_CORES;
+export type GameSystemCore = typeof GAME_SYSTEM_CORES[GameSystem];
+
+export type GameLight = {
+  id:string;
+  name:string;
+  system:GameSystem;
+};
+
+export const GameLightFragment = createFragment<GameLight>({
+  name: `GameLight`,
+  query: gql`
+    fragment GameLight on Game {
+      id
+      name
+      system
+    }
+  `
+});
+
+export type GameHeavy = {
+  id:string;
+  name:string;
+  system:GameSystem;
+};
+
+export const GameHeavyFragment = createFragment<GameHeavy>({
+  name: `GameHeavy`,
+  query: gql`
+    fragment GameHeavy on Game {
+      id
+      name
+      system
+    }
+  `
+});