Merge pull request #52 from dilsher1/main

Fix autoincrement to support BigInt

src/defaults/autoincrement.ts

@@ -1,23 +1,35 @@
 import { Prisma } from "@prisma/client";
 import { PrismaMockData } from "..";
 
-let autoincrement_cache: { [key: string]: number } = {};
+let autoincrement_cache: { [key: string]: number | bigint } = {};
 
 export default function autoincrement<P>(
   prop: string,
   field: Prisma.DMMF.Field,
   data: PrismaMockData<P> = {}
-): Number {
+): Number | BigInt {
   const key = `${prop}_${field.name}`;
   let m = autoincrement_cache?.[key];
-  if (m === undefined) {
-    m = 0;
-    data[prop].forEach((item: { [x: string]: number }) => {
-      m = Math.max(m, item[field.name]);
-    });
+  if (field.type === 'BigInt') {
+    if (m === undefined) {
+      m = 0n;
+      data[prop].forEach((item: { [x: string]: bigint }) => {
+        m = (m as bigint) > item[field.name] ? m : item[field.name];
+      });
+    }
+    m = (m as bigint) + 1n;
+    autoincrement_cache[key] = m;
+  } else {
+    if (m === undefined) {
+      m = 0;
+      data[prop].forEach((item: { [x: string]: number }) => {
+        m = Math.max(m as number, item[field.name]);
+      });
+    }
+    m = (m as number) + 1;
+    autoincrement_cache[key] = m;
   }
-  m += 1;
-  autoincrement_cache[key] = m;
+
   return m;
 }