Squashed 'apollo-ios-codegen/' changes from 92f94b4d..38ea6149

38ea6149 feat: Specify caching fields with typePolicy directive (#554)

git-subtree-dir: apollo-ios-codegen
git-subtree-split: 38ea61496eb197a65eb9360b82b31251ed627725

Author: gh-action-runner

Sources/ApolloCodegenLib/Templates/InterfaceTemplate.swift

@@ -18,7 +18,15 @@ struct InterfaceTemplate: TemplateRenderer {
     """
     \(documentation: graphqlInterface.documentation, config: config)
     \(graphqlInterface.name.typeNameDocumentation)
-    static let \(graphqlInterface.render(as: .typename)) = \(config.ApolloAPITargetName).Interface(name: "\(graphqlInterface.name.schemaName)")
+    static let \(graphqlInterface.render(as: .typename)) = \(config.ApolloAPITargetName).Interface(name: "\(graphqlInterface.name.schemaName)", keyFields: \(KeyFieldsTemplate()))
+    """
+  }
+  
+  private func KeyFieldsTemplate() -> TemplateString {
+    guard let fields = graphqlInterface.keyFields, !fields.isEmpty else { return "nil" }
+    
+    return """
+    [\(list: fields.map { "\"\($0)\"" })]
     """
   }
 }

Sources/ApolloCodegenLib/Templates/ObjectTemplate.swift

@@ -20,10 +20,19 @@ struct ObjectTemplate: TemplateRenderer {
     \(graphqlObject.name.typeNameDocumentation)
     static let \(graphqlObject.render(as: .typename)) = \(config.ApolloAPITargetName).Object(
       typename: "\(graphqlObject.name.schemaName)\",
-      implementedInterfaces: \(ImplementedInterfacesTemplate())
+      implementedInterfaces: \(ImplementedInterfacesTemplate()),
+      keyFields: \(KeyFieldsTemplate())
     )
     """
   }
+  
+  private func KeyFieldsTemplate() -> TemplateString {
+    guard let fields = graphqlObject.keyFields, !fields.isEmpty else { return "nil" }
+    
+    return """
+    [\(list: fields.map { "\"\($0)\"" })]
+    """
+  }
 
   private func ImplementedInterfacesTemplate() -> TemplateString {
     return """

Sources/GraphQLCompiler/ApolloCodegenFrontendBundle.swift

@@ -239,16 +239,20 @@ public final class GraphQLObjectType: GraphQLCompositeType, GraphQLInterfaceImpl
   public private(set) var fields: [String: GraphQLField]!
 
   public private(set) var interfaces: [GraphQLInterfaceType]!
+  
+  public private(set) var keyFields: [String]!
 
   /// Initializer to be used for creating mock objects in tests only.
   init(
     name: GraphQLName,
     documentation: String?,
     fields: [String: GraphQLField],
-    interfaces: [GraphQLInterfaceType]
+    interfaces: [GraphQLInterfaceType],
+    keyFields: [String]
   ) {
     self.fields = fields
     self.interfaces = interfaces
+    self.keyFields = keyFields
     super.init(name: name, documentation: documentation)
   }
 
@@ -259,6 +263,7 @@ public final class GraphQLObjectType: GraphQLCompositeType, GraphQLInterfaceImpl
   override func finalize(_ jsValue: JSValue, bridge: isolated JavaScriptBridge) {
     self.fields = try! bridge.invokeMethod("getFields", on: jsValue)
     self.interfaces = try! bridge.invokeMethod("getInterfaces", on: jsValue)
+    self.keyFields = jsValue["_apolloKeyFields"]
   }
 
   public override var debugDescription: String {
@@ -274,16 +279,20 @@ public final class GraphQLInterfaceType: GraphQLAbstractType, GraphQLInterfaceIm
   public private(set) var fields: [String: GraphQLField]!
 
   public private(set) var interfaces: [GraphQLInterfaceType]!
+  
+  public private(set) var keyFields: [String]!
 
   /// Initializer to be used for creating mock objects in tests only.
   init(
     name: GraphQLName,
     documentation: String?,
     fields: [String: GraphQLField],
-    interfaces: [GraphQLInterfaceType]
+    interfaces: [GraphQLInterfaceType],
+    keyFields: [String]
   ) {
     self.fields = fields
     self.interfaces = interfaces
+    self.keyFields = keyFields
     super.init(name: name, documentation: documentation)
   }
 
@@ -294,6 +303,7 @@ public final class GraphQLInterfaceType: GraphQLAbstractType, GraphQLInterfaceIm
   override func finalize(_ jsValue: JSValue, bridge: isolated JavaScriptBridge) {
     self.fields = try! bridge.invokeMethod("getFields", on: jsValue)
     self.interfaces = try! bridge.invokeMethod("getInterfaces", on: jsValue)
+    self.keyFields = jsValue["_apolloKeyFields"]
   }
 
   public override var debugDescription: String {