feat: option to add class transformer @expose decorator to all fields

README.md

@@ -260,6 +260,8 @@ export class ProductDto extends IntersectionType(
     -   puts relational fields into different file for each model. This way the class will match the object returned by a Prisma query, default value is **false**
 -   _clientImportPath_
     -   set prisma client import path manually, default value is **@prisma/client**
+-   _useClassTransformerExpose_
+    -   annotate all properties with @Expose
 -   _useNonNullableAssertions_
     -   Apply a ! after non-optional class fields to avoid strict mode warnings (Property has no initializer and is not definitely assigned in the constructor.)
 -   _preserveDefaultNullable_

prisma/v7.prisma

@@ -9,12 +9,13 @@ generator client {
 }
 
 generator prismaClassGenerator {
-  provider               = "node -r ts-node/register/transpile-only src/index.ts"
-  output                 = "../src/_gen/prisma-class"
-  dryRun                 = "false"
-  separateRelationFields = "false"
-  useClassValidator      = "true"
-  usePrismaJsonValue     = "true"
+  provider                  = "node -r ts-node/register/transpile-only src/index.ts"
+  output                    = "../src/_gen/prisma-class"
+  dryRun                    = "false"
+  separateRelationFields    = "false"
+  useClassValidator         = "true"
+  usePrismaJsonValue        = "true"
+  useClassTransformerExpose = "true"
 }
 
 enum TestEnum {

src/convertor.ts

@@ -641,6 +641,17 @@ export class PrismaConvertor {
 		return decorators;
 	}
 
+	extractClassTransformerDecoratorsFromField = (dmmfField: DMMF.Field) => {
+		const decorators  = [];
+
+		decorators.push(new DecoratorComponent({
+			name: 'Expose',
+			importFrom: 'class-transformer',
+		}))
+
+		return decorators;
+	}
+
 	convertField = (dmmfField: DMMF.Field, relationField: boolean): FieldComponent => {
 		const field = new FieldComponent({
 			name: dmmfField.name,
@@ -658,6 +669,11 @@ export class PrismaConvertor {
 			field.decorators.push(...decorators)
 		}
 
+		if (this.config.useClassTransformerExpose) {
+			const decorators = this.extractClassTransformerDecoratorsFromField(dmmfField);
+			field.decorators.push(...decorators)
+		}
+
 		if (this.config.useGraphQL) {
 			const decorator =
 				this.extractTypeGraphQLDecoratorFromField(dmmfField)

src/generator.ts

@@ -57,6 +57,10 @@ export const PrismaClassGeneratorOptions = {
 		desc: 'use class validator',
 		defaultValue: false
 	},
+	useClassTransformerExpose: {
+		desc: 'annotate all properties with @Expose',
+		defaultValue: false
+	},
 	usePrismaJsonValue: {
 		desc: 'use Prisma JsonValue type instead of object for Json fields',
 		defaultValue: false,