fix(build): ship jalaali types with production dependencies

Move @types/jalaali-js into dependencies and add a local module declaration so nest build works when installing without devDependencies.

Co-authored-by: Cursor <cursoragent@cursor.com>

package-lock.json

@@ -17,6 +17,7 @@
         "@nestjs/passport": "^11.0.5",
         "@nestjs/platform-express": "^11.0.1",
         "@prisma/client": "6.16.0",
+        "@types/jalaali-js": "^1.2.0",
         "axios": "^1.11.0",
         "bcrypt": "5.1.1",
         "class-transformer": "^0.5.1",
@@ -36,7 +37,6 @@
         "@nestjs/testing": "^11.0.1",
         "@types/bcrypt": "5.0.2",
         "@types/express": "^5.0.0",
-        "@types/jalaali-js": "^1.2.0",
         "@types/jest": "^30.0.0",
         "@types/multer": "^2.2.0",
         "@types/node": "^22.0.0",
@@ -3013,7 +3013,6 @@
       "version": "1.2.0",
       "resolved": "https://registry.npmmirror.com/@types/jalaali-js/-/jalaali-js-1.2.0.tgz",
       "integrity": "sha512-DRQKjbfFe0/v3siCou9eFzYjDxJItkJpxbU+/CSptvoRqq2/VmTA6y8QvqK/VELKW6xX3qb174nLZlrFV9OT3Q==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/@types/jest": {

package.json

@@ -58,6 +58,7 @@
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.2",
     "jalaali-js": "^2.0.1",
+    "@types/jalaali-js": "^1.2.0",
     "mysql2": "^3.23.1",
     "passport": "^0.7.0",
     "passport-jwt": "^4.0.1",
@@ -72,7 +73,6 @@
     "@nestjs/testing": "^11.0.1",
     "@types/bcrypt": "5.0.2",
     "@types/express": "^5.0.0",
-    "@types/jalaali-js": "^1.2.0",
     "@types/jest": "^30.0.0",
     "@types/multer": "^2.2.0",
     "@types/node": "^22.0.0",

src/tenants/tenants.service.ts

@@ -434,12 +434,12 @@ export class TenantsService {
   }
 
   private handleUnique(error: unknown) {
-    if (
-      error instanceof Prisma.PrismaClientKnownRequestError &&
-      error.code === 'P2002'
-    ) {
+    if (!(error instanceof Prisma.PrismaClientKnownRequestError)) {
+      return;
+    }
+    if (error.code === 'P2002') {
       const targets = Array.isArray(error.meta?.target)
-        ? (error.meta?.target as string[])
+        ? (error.meta.target as string[])
         : [];
       if (targets.includes('slug')) {
         throw new ConflictException('slug تکراری است — این slug قبلاً برای نسخه دیگری ثبت شده');
@@ -453,3 +453,4 @@ export class TenantsService {
     }
     }
   }
+}

src/types/jalaali-js.d.ts

@@ -0,0 +1,19 @@
+declare module 'jalaali-js' {
+  export function toJalaali(
+    gy: number,
+    gm: number,
+    gd: number,
+  ): { jy: number; jm: number; jd: number }
+
+  export function toGregorian(
+    jy: number,
+    jm: number,
+    jd: number,
+  ): { gy: number; gm: number; gd: number }
+
+  export function isValidJalaaliDate(jy: number, jm: number, jd: number): boolean
+
+  export function isLeapJalaaliYear(jy: number): boolean
+
+  export function jalaaliMonthLength(jy: number, jm: number): number
+}