diff --git a/package.json b/package.json
index aefb0da..6279a47 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@repixelcorp/hyper-pwt",
-  "version": "0.3.1",
+  "version": "0.3.2",
   "description": "A faster, more modern, superior alternative for Mendix PWT.",
   "repository": {
     "type": "git",
diff --git a/src/commands/start/web/index.ts b/src/commands/start/web/index.ts
index 395b21b..c825766 100644
--- a/src/commands/start/web/index.ts
+++ b/src/commands/start/web/index.ts
@@ -13,6 +13,7 @@ import getViteUserConfiguration from '../../../utils/getViteUserConfiguration';
 import { generateTypesFromFile } from '../../../type-generator';
 import { mendixHotreloadReactPlugin } from '../../../configurations/vite/plugins/mendix-hotreload-react-plugin';
 import { mendixPatchViteClientPlugin } from '../../../configurations/vite/plugins/mendix-patch-vite-client-plugin';
+import typescript from 'rollup-plugin-typescript2';
 
 const generateTyping = async () => {
   const widgetName = await getWidgetName();
@@ -71,6 +72,20 @@ const startWebCommand = async () => {
         },
       },
       plugins: [
+        typescript({
+          tsconfig: path.join(PROJECT_DIRECTORY, 'tsconfig.json'),
+          tsconfigOverride: {
+            compilerOptions: {
+              jsx: 'preserve',
+              preserveConstEnums: false,
+              isolatedModules: false,
+              declaration: false
+            }
+          },
+          include: ["src/**/*.ts", "src/**/*.tsx"],
+          exclude: ["node_modules/**", "src/**/*.d.ts"],
+          check: false,
+        }),
         ...resultViteConfig.plugins as PluginOption[],
         mendixHotreloadReactPlugin(),
         mendixPatchViteClientPlugin(),
@@ -84,7 +99,7 @@ const startWebCommand = async () => {
             });
           }
         },
-      ]
+      ],
     });
 
     await viteServer.listen();
diff --git a/src/type-generator/mendix-types.ts b/src/type-generator/mendix-types.ts
index 6202b37..624d9b9 100644
--- a/src/type-generator/mendix-types.ts
+++ b/src/type-generator/mendix-types.ts
@@ -180,7 +180,11 @@ export function mapPropertyToMendixType(property: Property, platform: GenerateTa
 
 function mapAttributeToMendixType(property: Property, imports: Set<string>): string {
   const baseType = getAttributeBaseType(property.attributeTypes || []);
-  
+
+  if (baseType.includes('Big')) {
+    imports.add('Big');
+  }
+
   if (property.dataSource) {
     imports.add('ListAttributeValue');
 
@@ -194,7 +198,11 @@ function mapAttributeToMendixType(property: Property, imports: Set<string>): str
 
 function mapExpressionToMendixType(property: Property, imports: Set<string>): string {
   const baseType = property.returnType ? mapReturnTypeToTS(property.returnType.type) : 'string';
-  
+
+  if (baseType.includes('Big')) {
+    imports.add('Big');
+  }
+
   if (property.dataSource) {
     imports.add('ListExpressionValue');
 
@@ -268,7 +276,7 @@ function mapSelectionToMendixType(property: Property, imports: Set<string>): str
 
 function getAttributeBaseType(attributeTypes: AttributeType[]): string {
   if (attributeTypes.length === 0) return 'any';
-  
+
   const types = attributeTypes.map(type => {
     switch (type) {
       case 'String':
@@ -280,11 +288,11 @@ function getAttributeBaseType(attributeTypes: AttributeType[]): string {
       case 'Integer':
       case 'Long':
       case 'AutoNumber':
-      case 'Float':
       case 'Currency':
-        return 'number';
       case 'Decimal':
         return 'Big';
+      case 'Float':
+        return 'number';
       case 'DateTime':
         return 'Date';
       case 'Binary':
@@ -305,10 +313,12 @@ function mapReturnTypeToTS(returnType: string): string {
     case 'Boolean':
       return 'boolean';
     case 'Integer':
-    case 'Float':
-      return 'number';
+    case 'Long':
+    case 'AutoNumber':
     case 'Decimal':
       return 'Big';
+    case 'Float':
+      return 'number';
     case 'DateTime':
       return 'Date';
     case 'String':
@@ -326,22 +336,24 @@ function generateObjectInterface(property: Property): string {
 
 export function generateMendixImports(imports: string[]): string {
   if (imports.length === 0) return '';
-  
-  const mendixImports = imports.filter(imp => 
-    !['ReactNode'].includes(imp)
-  );
-  
+
   const reactImports = imports.filter(imp => imp === 'ReactNode');
-  
+  const bigJsImports = imports.filter(imp => imp === 'Big');
+  const mendixImports = imports.filter(imp => imp !== 'ReactNode' && imp !== 'Big');
+
   let output = '';
-  
+
   if (reactImports.length > 0) {
     output += `import { ${reactImports.join(', ')} } from 'react';\n`;
   }
-  
+
   if (mendixImports.length > 0) {
     output += `import { ${mendixImports.join(', ')} } from 'mendix';\n`;
   }
-  
+
+  if (bigJsImports.length > 0) {
+    output += `import { ${bigJsImports.join(', ')} } from 'big.js';\n`;
+  }
+
   return output;
-}
\ No newline at end of file
+}
diff --git a/src/type-generator/utils.ts b/src/type-generator/utils.ts
index bb67c80..bb87078 100644
--- a/src/type-generator/utils.ts
+++ b/src/type-generator/utils.ts
@@ -11,53 +11,57 @@ export function mapPropertyTypeToTS(property: Property, target?: GenerateTargetP
   return mapping.type;
 }
 
-export function mapAttributeTypeToTS(attributeType: AttributeType): string {
-  switch (attributeType) {
-    case 'String':
-    case 'HashString':
-    case 'Enum':
-      return 'string';
-    case 'Boolean':
-      return 'boolean';
-    case 'Integer':
-    case 'Long':
-    case 'AutoNumber':
-    case 'Float':
-    case 'Currency':
-    case 'Decimal':
-      return 'number';
+export function mapAttributeTypeToTS(attributeType: AttributeType): string {
+  switch (attributeType) {
+    case 'String':
+    case 'HashString':
+    case 'Enum':
+      return 'string';
+    case 'Boolean':
+      return 'boolean';
+    case 'Integer':
+    case 'Long':
+    case 'AutoNumber':
+    case 'Currency':
+    case 'Decimal':
+      return 'Big';
+    case 'Float':
+      return 'number';
+
+    case 'DateTime':
+      return 'Date | string';
+
+    case 'Binary':
+      return 'Blob | string';
+
+    default:
+      return 'any';
+  }
+}
 
-    case 'DateTime':
-      return 'Date | string';
-
-    case 'Binary':
-      return 'Blob | string';
-
-    default:
-      return 'any';
-  }
-}
-
-export function mapReturnTypeToTS(returnType: string): string {
-  switch (returnType) {
-    case 'Void':
-      return 'void';
-    case 'Boolean':
-      return 'boolean';
-    case 'Integer':
-    case 'Float':
-    case 'Decimal':
-      return 'number';
-    case 'DateTime':
-      return 'Date | string';
-    case 'String':
-      return 'string';
-    case 'Object':
-      return 'object';
-    default:
-      return 'any';
-  }
-}
+export function mapReturnTypeToTS(returnType: string): string {
+  switch (returnType) {
+    case 'Void':
+      return 'void';
+    case 'Boolean':
+      return 'boolean';
+    case 'Integer':
+    case 'Long':
+    case 'AutoNumber':
+    case 'Decimal':
+      return 'Big';
+    case 'Float':
+      return 'number';
+    case 'DateTime':
+      return 'Date | string';
+    case 'String':
+      return 'string';
+    case 'Object':
+      return 'object';
+    default:
+      return 'any';
+  }
+}
 
 export function ensureArray<T>(value: T | T[] | undefined): T[] {
   if (!value) return [];
@@ -85,4 +89,4 @@ export function formatDescription(description: string): string {
     .map(line => line.trim())
     .filter(line => line.length > 0)
     .join(' ');
-}
\ No newline at end of file
+}