feat: simplify generated enum classes (#29)

Author: danadajian

codegen.yml

@@ -1,6 +1,8 @@
 overwrite: true
 schema:
   - "test/**/*.graphql"
+config:
+  namingConvention: "keep"
 generates:
   test/integration/Types.kt:
     plugins:

src/definitions/enum.ts

@@ -35,12 +35,11 @@ export function buildEnumTypeDefinition(
     config,
     definitionNode: node,
   });
-  return `${annotations}enum class ${enumName}(val value: String) {
+  return `${annotations}enum class ${enumName} {
 ${indentMultiline(enumValues.join(",\n") + ";", 2)}
 
     companion object {
-        fun findByName(name: String): ${enumName}? = values().find { it.name == name }
-        fun findByValue(value: String): ${enumName}? = values().find { it.value == value }
+        fun findByName(name: String, ignoreCase: Boolean = false): ${enumName}? = values().find { it.name.equals(name, ignoreCase = ignoreCase) }
     }
 }`;
 }
@@ -53,5 +52,5 @@ function buildEnumValueDefinition(
     config,
     definitionNode: node,
   });
-  return `${annotations}${config.convert(node)}("${node.name.value}")`;
+  return `${annotations}${config.convert(node)}`;
 }

test/unit/should_generate_basic_enums_correctly/expected.kt

@@ -2,13 +2,12 @@ package com.kotlin.generated
 
 import com.expediagroup.graphql.generator.annotations.*
 
-enum class UserRole(val value: String) {
-    Admin("ADMIN"),
-    User("USER"),
-    Editor("EDITOR");
+enum class UserRole {
+    Admin,
+    User,
+    Editor;
 
     companion object {
-        fun findByName(name: String): UserRole? = values().find { it.name == name }
-        fun findByValue(value: String): UserRole? = values().find { it.value == value }
+        fun findByName(name: String, ignoreCase: Boolean = false): UserRole? = values().find { it.name.equals(name, ignoreCase = ignoreCase) }
     }
 }

test/unit/should_generate_enums_properly/expected.kt

@@ -3,13 +3,12 @@ package com.kotlin.generated
 import com.expediagroup.graphql.generator.annotations.*
 
 @GraphQLDescription("A description for MyEnum")
-enum class MyEnum(val value: String) {
-    This("THIS"),
+enum class MyEnum {
+    This,
     @GraphQLDescription("A description for THAT")
-    That("THAT");
+    That;
 
     companion object {
-        fun findByName(name: String): MyEnum? = values().find { it.name == name }
-        fun findByValue(value: String): MyEnum? = values().find { it.value == value }
+        fun findByName(name: String, ignoreCase: Boolean = false): MyEnum? = values().find { it.name.equals(name, ignoreCase = ignoreCase) }
     }
 }

test/unit/should_honor_base_configs/expected.kt

@@ -3,13 +3,12 @@ package com.kotlin.generated
 import com.expediagroup.graphql.generator.annotations.*
 
 @GraphQLDescription("A description for MyEnum")
-enum class MyEnum(val value: String) {
-    THIS("THIS"),
+enum class MyEnum {
+    THIS,
     @GraphQLDescription("A description for THAT")
-    THAT("THAT");
+    THAT;
 
     companion object {
-        fun findByName(name: String): MyEnum? = values().find { it.name == name }
-        fun findByValue(value: String): MyEnum? = values().find { it.value == value }
+        fun findByName(name: String, ignoreCase: Boolean = false): MyEnum? = values().find { it.name.equals(name, ignoreCase = ignoreCase) }
     }
 }

test/unit/should_honor_onlyTypes_config/expected.kt

@@ -11,13 +11,12 @@ data class MyType(
 )
 
 @GraphQLDescription("A description for MyEnum")
-enum class MyEnum(val value: String) {
-    This("THIS"),
+enum class MyEnum {
+    This,
     @GraphQLDescription("A description for THAT")
-    That("THAT");
+    That;
 
     companion object {
-        fun findByName(name: String): MyEnum? = values().find { it.name == name }
-        fun findByValue(value: String): MyEnum? = values().find { it.value == value }
+        fun findByName(name: String, ignoreCase: Boolean = false): MyEnum? = values().find { it.name.equals(name, ignoreCase = ignoreCase) }
     }
 }

test/unit/should_include_dependent_types_in_onlyTypes_config/expected.kt

@@ -25,13 +25,12 @@ data class NestedListType(
     val field: String? = null
 )
 
-enum class MyEnum(val value: String) {
-    This("THIS"),
-    That("THAT");
+enum class MyEnum {
+    This,
+    That;
 
     companion object {
-        fun findByName(name: String): MyEnum? = values().find { it.name == name }
-        fun findByValue(value: String): MyEnum? = values().find { it.value == value }
+        fun findByName(name: String, ignoreCase: Boolean = false): MyEnum? = values().find { it.name.equals(name, ignoreCase = ignoreCase) }
     }
 }