#38: Implement messagesPerField existsError and get

src/bin/build-keycloak-theme/generateFtl/common.ftl

@@ -179,7 +179,49 @@
                             </#attempt>
                         })();
                     }
-                }
+                },
+                "existsError": function (key) {
+
+                    <#attempt>
+
+						<#list profile.attributes as attribute>
+
+							if(key === "${attribute.name}" ){
+
+								return <#if messagesPerField.existsError('${attribute.name}')>true<#else>false</#if>;
+
+							}
+
+						</#list>
+
+                    <#recover>
+                    </#attempt>
+
+					throw new Error(key + " is not an exsisting profile attribute name");
+
+				},
+				"get": function (key) {
+
+                    <#attempt>
+
+						<#list profile.attributes as attribute>
+
+		        				<#if messagesPerField.existsError('${attribute.name}')>
+
+									if(key === "${attribute.name}" ){
+										return "${messagesPerField.get('${attribute.name}')?no_esc}"
+									}
+
+								</#if>
+
+						</#list>
+
+                    <#recover>
+                    </#attempt>
+
+					throw new Error(" there is no message for " + key);
+
+				}
             },
             "msg": function(){ throw new Error("use import { useKcMessage } from 'keycloakify'"); },
             "advancedMsg": function(){ throw new Error("use import { useKcMessage } from 'keycloakify'"); },

src/lib/getKcContext/KcContextBase.ts

@@ -103,7 +103,7 @@ export declare namespace KcContextBase {
             registrationAction: string;
         };
         messagesPerField: {
-            printIfExists<T>(
+            printIfExists: <T>(
                 key:
                     "userLabel" |
                     "username" |
@@ -113,7 +113,9 @@ export declare namespace KcContextBase {
                     "password" |
                     "password-confirm",
                 x: T
-            ): T | undefined;
+            )=> T | undefined;
+            existsError: (key: string)=> boolean;
+            get: (key: string) => string;
         };
         register: {
             formData: {

src/lib/getKcContext/kcContextMocks/kcContextMocks.ts

@@ -165,7 +165,9 @@ export const kcContextMocks: KcContextBase[] = [
 			"registrationAction": "http://localhost:8080/auth/realms/myrealm/login-actions/registration?session_code=gwZdUeO7pbYpFTRxiIxRg_QtzMbtFTKrNu6XW_f8asM&execution=12146ce0-b139-4bbd-b25b-0eccfee6577e&client_id=account&tab_id=uS8lYfebLa0"
 		},
 		"messagesPerField": {
-			"printIfExists": (...[, x]) => x
+			"printIfExists": (...[, x]) => x,
+			"existsError": ()=> true,
+			"get": key=> `Fake error for ${key}`
 		},
 		"scripts": [],
 		"isAppInitiatedAction": false,