Add minor fixes

.eslintrc.js

@@ -49,4 +49,4 @@ module.exports = {
       'ignoreReadBeforeAssign': true,
     }],
   },
-};
+}

src/index.js

@@ -186,6 +186,7 @@ class MCF_DefinedObject {
         this.definition = definition;
         this.validations = {};
         this.fields = MCF_TypeFactory.buildDefinedObject(this);
+        this.validateValue(definition.value)
         this.setValue(definition.value)
     }
 
@@ -201,7 +202,7 @@ class MCF_DefinedObject {
         return value;
     }
 
-    setValue(value){
+    validateValue(value){
         for (let field in this.definition.fields) {
             if (value[field] === undefined || value === null) {
                 if (this.definition.fields[field].required === true) {
@@ -215,12 +216,14 @@ class MCF_DefinedObject {
                 }
             }
         }
+    }
 
-        for (let field in value){
-            if (value[field] === undefined){
-                this.fields[field].value = undefined;
+    setValue(value) {
+        for (let valueKey in value) {
+            if (value[valueKey] === undefined) {
+                this.fields[valueKey].value = undefined;
             } else {
-                this.fields[field].setValue(value[field]);
+                this.fields[valueKey].setValue(value[valueKey]);
             }
         }
     }
@@ -233,17 +236,20 @@ class MCF_DefinedObject {
 }
 
 const fileDefinition = {
-  filename:      {TYPE: 'string', required: true},
-  extension: {TYPE: 'string', required: true},
-  path:      {TYPE: 'string', required: true},
+    filename: { TYPE: 'string' },
+    extension: { TYPE: 'string' },
+    mimeType: { TYPE: 'string' },
+    path: { TYPE: 'string' },
     content: { TYPE: 'string' },
 }
 
 class MCF_File extends MCF_DefinedObject {
     constructor(params) {
+      const fields = (params.fields) ? params.fields : {}
+      const value = (params.value) ? params.value : params
         super({
-      fields: fileDefinition,
-      value: params,
+            fields: {...fileDefinition, ...fields},
+            value: value,
         })
     }
 }