Metadata Wrapper over apex metadata

ApexMetadataUtility

public with sharing class ApexMetadataUtility {
    
    /**
     * Call apex controller method fetch metadata
     * @param 
     * @return void
     */
    @AuraEnabled
    public static list<SobjectMetadataWrapper> getSobjectMetadata(String[] sobjectarray){
        list<SobjectMetadataWrapper> lstsobjectMetadata = new list<SobjectMetadataWrapper>();
        // Make the describe call
		Schema.DescribeSobjectResult[] results = Schema.describeSObjects(sobjectarray);
		//System.debug('Got describe information for ' + results.size() + ' sObjects.');
		// For each returned result, get some info
		for(Schema.DescribeSobjectResult res : results) {
    		//System.debug('sObject Label: ' + res.getLabel());
    		//System.debug('Number of fields: ' + res.fields.getMap().size());
    		//System.debug(res.isCustom() ? 'This is a custom object.' : 'This is a standard object.');
            SobjectMetadataWrapper Sobjectmetdata = new SobjectMetadataWrapper();
            Sobjectmetdata.objectlabel = res.getLabel();
            Sobjectmetdata.objectName = res.getName();
            Sobjectmetdata.objectprefix = res.getKeyPrefix();
            Sobjectmetdata.isCustomObject = res.isCustom();
            list<SobjectMetadataWrapper.FieldMetadataWrapper> lstfieldmetadata = new list<SobjectMetadataWrapper.FieldMetadataWrapper>();
            list<SobjectMetadataWrapper.ChildRelationshipMetadataWrapper> lstchildRelationships = new list<SobjectMetadataWrapper.ChildRelationshipMetadataWrapper>();
            for(String sobjectfield : res.fields.getMap().keyset()){
                SobjectMetadataWrapper.FieldMetadataWrapper fieldmetadata = new SobjectMetadataWrapper.FieldMetadataWrapper();
                Schema.DescribeFieldResult dfr = res.fields.getMap().get(sobjectfield).getDescribe();
                fieldmetadata = mapFieldMetadata(dfr);
                lstfieldmetadata.add(fieldmetadata);
            }
            Sobjectmetdata.fieldmetadata = lstfieldmetadata;
    	    // Get child relationships
    		Schema.ChildRelationship[] rels = res.getChildRelationships();
    		if (rels.size() > 0) {
        		//System.debug(res.getName() + ' has ' + rels.size() + ' child relationships.');
                for(Schema.ChildRelationship childrelationship :rels){
                    SobjectMetadataWrapper.ChildRelationshipMetadataWrapper childRels = new SobjectMetadataWrapper.ChildRelationshipMetadataWrapper();
                    childRels = mapChildRelationships(childrelationship);
                    lstchildRelationships.add(childRels);
                }
    		}
           Sobjectmetdata.childrelationship = lstchildRelationships;
           lstsobjectMetadata.add(Sobjectmetdata);
		}
        return lstsobjectMetadata;
    }

    /**
     * This method maps Special data type Schema.DescribeFieldResult to Primitive
     * @param 
     * @return SobjectMetadataWrapper.FieldMetadataWrapper
     */

    public static SobjectMetadataWrapper.FieldMetadataWrapper mapFieldMetadata(Schema.DescribeFieldResult dfr){
       SobjectMetadataWrapper.FieldMetadataWrapper fieldmetadata = new SobjectMetadataWrapper.FieldMetadataWrapper();
       fieldmetadata.byteLength = dfr.getByteLength();
       fieldmetadata.fieldname = dfr.getName();
       fieldmetadata.label = dfr.getLabel();
       fieldmetadata.relationshipOrder = dfr.getRelationshipOrder();
       fieldmetadata.relationshipName = dfr.getRelationshipName();
       fieldmetadata.type = dfr.getType().name();
       return fieldmetadata;
    }

    /**
     * This method maps Special data type Schema.ChildRelationship to Primitive
     * @param 
     * @return SobjectMetadataWrapper.FieldMetadataWrapper
     */

    public static SobjectMetadataWrapper.ChildRelationshipMetadataWrapper mapChildRelationships(Schema.ChildRelationship rels){
        SobjectMetadataWrapper.ChildRelationshipMetadataWrapper childRels = new SobjectMetadataWrapper.ChildRelationshipMetadataWrapper();
        childRels.isCascadeDelete = rels.isCascadeDelete();
        childRels.isRestrictDelete = rels.isRestrictedDelete();
        childRels.relationshipName = rels.getRelationshipName();
        childRels.fieldToken = mapFieldMetadata(rels.getField().getDescribe());
        //list<string> childObjectname = new list<string>();
        //childObjectname.add(rels.getChildSObject().getDescribe().getName());
        childRels.childobjectName = rels.getChildSObject().getDescribe().getName();
        return childRels;
    }

}

SobjectMetadataWrapper

public with sharing class SobjectMetadataWrapper {
    
    @AuraEnabled
    public String objectlabel;
    @AuraEnabled
    public String objectprefix ;
    @AuraEnabled
    public String objectName ;
    @AuraEnabled
    public list<FieldMetadataWrapper> fieldmetadata;
    @AuraEnabled
    public list<ChildRelationshipMetadataWrapper> childrelationship ;
    @AuraEnabled
    public Boolean isCustomObject ;
    
    
    public with sharing class FieldMetadataWrapper{
        @AuraEnabled
        public Integer byteLength;
        @AuraEnabled
        public String label;
        @AuraEnabled
        public String fieldname;
        @AuraEnabled
        public String relationshipName;
        @AuraEnabled
        public Integer relationshipOrder;
        @AuraEnabled
        public String type;
    }
    
    public with sharing class ChildRelationshipMetadataWrapper{
        @AuraEnabled
        public String relationshipName ;
        @AuraEnabled
        public Boolean isCascadeDelete ;
        @AuraEnabled
        public Boolean isRestrictDelete;
        @AuraEnabled
        public FieldMetadataWrapper fieldToken ;
        @AuraEnabled
        public String childobjectName ;
        //public list<SobjectMetadataWrapper> childSobject ;
    }

}