chore: Don't require envs in build time, and load them dynamically (#11)

Author: patrick11514

src/lib/server/_routes/ai.ts

@@ -1,10 +1,10 @@
-import { GEMINI_API_KEY } from '$env/static/private';
+import { env } from '$/lib/server/env';
 import { GoogleGenerativeAI } from '@google/generative-ai';
 import { MiddleWareError } from '@patrick115/sveltekitapi';
 import { z } from 'zod';
 import { loggedProcedure } from '../api';
 
-const genAI = new GoogleGenerativeAI(GEMINI_API_KEY);
+const genAI = new GoogleGenerativeAI(env.GEMINI_API_KEY);
 const model = genAI.getGenerativeModel({ model: 'gemini-2.5-flash-lite' });
 
 export default {

src/lib/server/_routes/article.ts

@@ -1,7 +1,7 @@
 import { languages, type ErrorPath } from '$/lib/lang';
+import { env } from '$/lib/server/env';
 import { articleSchema as _articleSchema } from '$/types/schemes';
 import type { ActionsResponse, Response } from '$/types/types';
-import { FILE_FOLDER } from '$env/static/private';
 import { AnyFormDataInput, type ErrorApiResponse } from '@patrick115/sveltekitapi';
 import { fail } from '@sveltejs/kit';
 import fs from 'node:fs/promises';
@@ -12,6 +12,8 @@ import { loggedProcedure } from '../api';
 import { insertTranslations, parseFormData, updateTranslations } from '../functions';
 import { conn } from '../variables';
 
+const FILE_FOLDER = env.FILE_FOLDER;
+
 const articleSchema = _articleSchema('cs');
 
 const TRANSLATION_FIELDS = ['title', 'description', 'content_md'] as const;

src/lib/server/_routes/login.ts

@@ -1,16 +1,17 @@
-import { FormDataInput } from '@patrick115/sveltekitapi';
-import { procedure } from '../api';
 import type { ErrorPath } from '$/lib/lang';
+import { env } from '$/lib/server/env';
 import type { ActionsResponse, Response } from '$/types/types';
+import { FormDataInput } from '@patrick115/sveltekitapi';
 import { fail } from '@sveltejs/kit';
-import { conn, jwt } from '../variables';
 import bcrypt from 'bcrypt';
-import { COOKIE_EXPIRE } from '$env/static/private';
+import { procedure } from '../api';
+import { conn, jwt } from '../variables';
 
 export default procedure.POST.input(FormDataInput).query(
   async ({ input, ev: { cookies } }) => {
     const username = input.get('username') as string | null;
     const password = input.get('password') as string | null;
+    const COOKIE_EXPIRE = env.COOKIE_EXPIRE;
 
     if (!username || !password) {
       return fail(401, {
@@ -48,7 +49,7 @@ export default procedure.POST.input(FormDataInput).query(
 
     cookies.set('session', session, {
       path: '/',
-      maxAge: parseInt(COOKIE_EXPIRE)
+      maxAge: COOKIE_EXPIRE
     });
 
     return {

src/lib/server/_routes/upload.ts

@@ -1,12 +1,14 @@
-import { FormDataInput, type ErrorApiResponse } from '@patrick115/sveltekitapi';
-import { loggedProcedure } from '../api';
 import type { ErrorPath } from '$/lib/lang';
-import { isFile, uploadFile } from '../functions';
+import { env } from '$/lib/server/env';
 import type { Response, ResponseWithData } from '$/types/types';
-import { z } from 'zod';
+import { FormDataInput, type ErrorApiResponse } from '@patrick115/sveltekitapi';
 import fs from 'node:fs/promises';
 import Path from 'node:path';
-import { FILE_FOLDER } from '$env/static/private';
+import { z } from 'zod';
+import { loggedProcedure } from '../api';
+import { isFile, uploadFile } from '../functions';
+
+const FILE_FOLDER = env.FILE_FOLDER;
 
 export default [
   loggedProcedure.POST.input(FormDataInput).query(async ({ input }) => {

src/lib/server/env.ts

@@ -0,0 +1,18 @@
+import { env as dynamicEnv } from '$env/dynamic/private';
+import { z } from 'zod';
+
+const envSchema = z.object({
+  NINA_BASE_URL: z.string().default('http://10.10.10.211:1888/'),
+  UPDATE_THRESHOLD_COUNT: z.coerce.number().default(30),
+  JWT_SECRET: z.string().min(1),
+  DATABASE_IP: z.string().min(1),
+  DATABASE_PORT: z.coerce.number(),
+  DATABASE_USER: z.string().min(1),
+  DATABASE_PASSWORD: z.string().min(1),
+  DATABASE_NAME: z.string().min(1),
+  FILE_FOLDER: z.string().min(1),
+  GEMINI_API_KEY: z.string().min(1),
+  COOKIE_EXPIRE: z.coerce.number()
+});
+
+export const env = envSchema.parse(dynamicEnv);

src/lib/server/functions.ts

@@ -1,3 +1,4 @@
+import { env } from '$/lib/server/env';
 import type { DB, Translations } from '$/types/database';
 import {
   extensions,
@@ -6,7 +7,6 @@ import {
   type UserData,
   type UserState
 } from '$/types/types';
-import { FILE_FOLDER } from '$env/static/private';
 import type { Cookies } from '@sveltejs/kit';
 import { redirect as _redirect } from '@sveltejs/kit';
 import type { ControlledTransaction, Insertable } from 'kysely';
@@ -20,6 +20,8 @@ import { languages } from '../lang';
 import { getState } from '../state.svelte';
 import { conn, jwt } from './variables';
 
+const FILE_FOLDER = env.FILE_FOLDER;
+
 const randomBytesAsync = promisify(crypto.randomBytes);
 
 export const getUserState = (cookies: Cookies): UserState => {

src/lib/server/nina.ts

@@ -61,8 +61,8 @@ export class NinaClient {
   private cachedLiveImage: Buffer | undefined;
 
   constructor() {
-    this.baseUrl = NINA_BASE_URL ?? 'http://10.10.10.211:1888/';
-    this.updateThreshold = parseInt(UPDATE_THRESHOLD_COUNT || '30'); // Default 30 seconds
+    this.baseUrl = NINA_BASE_URL;
+    this.updateThreshold = UPDATE_THRESHOLD_COUNT;
   }
 
   private async fetch<T>(endpoint: string): Promise<T | null> {

src/lib/server/variables.ts

@@ -1,28 +1,20 @@
 import type { DB } from '$/types/database';
-import { env } from '$env/dynamic/private';
-import {
-  DATABASE_IP,
-  DATABASE_NAME,
-  DATABASE_PASSWORD,
-  DATABASE_PORT,
-  DATABASE_USER,
-  JWT_SECRET
-} from '$env/static/private';
 import { Kysely, MysqlDialect } from 'kysely';
 import { createPool } from 'mysql2';
 import { JWTCookies } from './cookies/main';
+import { env } from './env';
 
 export const NINA_BASE_URL = env.NINA_BASE_URL;
 export const UPDATE_THRESHOLD_COUNT = env.UPDATE_THRESHOLD_COUNT;
 
-export const jwt = new JWTCookies(JWT_SECRET);
+export const jwt = new JWTCookies(env.JWT_SECRET);
 const dialect = new MysqlDialect({
   pool: createPool({
-    host: DATABASE_IP,
-    port: parseInt(DATABASE_PORT),
-    user: DATABASE_USER,
-    password: DATABASE_PASSWORD,
-    database: DATABASE_NAME
+    host: env.DATABASE_IP,
+    port: env.DATABASE_PORT,
+    user: env.DATABASE_USER,
+    password: env.DATABASE_PASSWORD,
+    database: env.DATABASE_NAME
   })
 });
 

src/routes/image/[name]/+server.ts

@@ -1,12 +1,14 @@
+import { env } from '$/lib/server/env';
+import { isDirectory, isFile } from '$/lib/server/functions';
+import { extensions, type ImageExtension } from '$/types/types';
 import { error, type RequestHandler } from '@sveltejs/kit';
-import Path from 'node:path';
-import fs from 'node:fs/promises';
 import { createReadStream } from 'node:fs';
+import fs from 'node:fs/promises';
+import Path from 'node:path';
 import { Readable } from 'node:stream';
-import { FILE_FOLDER } from '$env/static/private';
 import sharp from 'sharp';
-import { isDirectory, isFile } from '$/lib/server/functions';
-import { extensions, type ImageExtension } from '$/types/types';
+
+const FILE_FOLDER = env.FILE_FOLDER;
 
 const CACHE_FOLDER = '.cache';
 const DEFAULT_IMAGE_QUALITY = 75;