fix(#2553): remove config with no properties + support metadata check…

… for config without properties

packages/@o3r/components/builders/component-extractor/helpers/component/component.extractor.ts

@@ -276,6 +276,9 @@ export class ComponentExtractor {
         } else {
           this.logger.warn(message);
         }
+        if (propertiesWithDefaultValue.length === 0) {
+          return acc;
+        }
         const configWithoutIncompatibleProperties = {
           ...config,
           properties: propertiesWithDefaultValue

packages/@o3r/components/builders/metadata-check/helpers/config-metadata-comparison.helper.ts

@@ -35,9 +35,7 @@ export interface MigrationConfigData {
  * ```
  */
 const getConfigurationArray = (content: ComponentConfigOutput[]): ComponentConfigOutput[] => content.flatMap((config) =>
-  config.properties.length > 1
-    ? config.properties.map((prop) => ({ ...config, properties: [prop] }))
-    : [config]
+  config.properties.map((prop) => ({ ...config, properties: [prop] }))
 );
 
 const getConfigurationPropertyName = (config: ComponentConfigOutput) => `${config.library}#${config.name}` + (config.properties.length > 0 ? ` ${config.properties[0].name}` : '');

packages/@o3r/components/builders/metadata-check/index.it.spec.ts

@@ -185,7 +185,10 @@ const previousConfigurationMetadata: ComponentConfigOutput[] = [
   createConfig('@o3r/lib6', 'MyConfig6', ['prop6']),
   createConfig('@o3r/lib7', 'MyConfig7', ['prop7']),
   createConfig('@o3r/lib8', 'MyConfig8', ['prop8']),
-  createConfig('@o3r/lib9', 'MyConfig9', ['prop9'])
+  createConfig('@o3r/lib9', 'MyConfig9', ['prop9']),
+  // This case should not happen anymore as we filter config without properties
+  // Adding this case to ensure the support of older metadata
+  createConfig('@o3r/lib10', 'MyConfig10', [])
 ];
 
 const newConfigurationMetadata: ComponentConfigOutput[] = [

packages/@o3r/configuration/schemas/configuration.metadata.schema.json

@@ -216,7 +216,8 @@
               }
             }
           ]
-        }
+        },
+        "minItems": 1
       }
     }
   }