add config

src/lib/config/index.ts

@@ -0,0 +1,24 @@
+import { logger } from '$lib/logger';
+import { z } from 'zod';
+
+export interface Configuration {
+	app_version: string;
+}
+
+export const LoadConfig = (): Configuration => {
+	const { success, data, error } = z
+		.object({
+			VITE_APP_VERSION: z.string().default('development')
+		})
+		.safeParse(import.meta.env);
+
+	if (!success) {
+		logger.error(error.message);
+	}
+
+	return {
+		app_version: data!.VITE_APP_VERSION
+	};
+};
+
+export const Config = LoadConfig();

src/lib/pothos/index.ts

@@ -1,12 +1,14 @@
+import { Context } from '$lib/yoga/context';
 import SchemaBuilder from '@pothos/core';
 
-export const builder = new SchemaBuilder({});
+type ContextType = ReturnType<typeof Context>;
+
+export const builder = new SchemaBuilder<{ Context: ContextType }>({});
 
 builder.queryType({
 	fields: (t) => ({
 		version: t.string({
-			// eslint-disable-next-line @typescript-eslint/no-unused-vars
-			resolve: (parent, args, context) => '1.0.0-alpha'
+			resolve: (parent, args, context) => context.config.app_version
 		})
 	})
 });

src/lib/yoga/context.ts

@@ -0,0 +1,7 @@
+import { Config } from '$lib/config';
+import type { YogaInitialContext } from 'graphql-yoga';
+
+export const Context = (initialContext: YogaInitialContext) => ({
+	...initialContext,
+	config: Config
+});

src/lib/yoga/index.ts

@@ -2,8 +2,10 @@ import { yogaLogger } from '$lib/logger';
 import { Schema } from '$lib/pothos';
 import type { RequestEvent } from '@sveltejs/kit';
 import { createYoga } from 'graphql-yoga';
+import { Context } from './context';
 
 export const Yoga = createYoga<RequestEvent>({
+	context: Context,
 	schema: Schema,
 	graphqlEndpoint: '/api/graphql',
 	// Let Yoga use sveltekit's Response object