chore: refactor

Author: carowright

src/ApiDocumentationElement.d.ts

@@ -453,6 +453,13 @@ export class ApiDocumentationElement extends EventsTargetMixin(AmfHelperMixin(Li
    */
   _computeDeclById(model: any, selected: string): any|undefined;
 
+  /**
+   * Computes model of a shape defined in `references` list
+   * @param model AMF model
+   * @param selected Current selection
+   */
+  _computeRefById(model, selected): any|undefined;
+
   _isTypeFragment(model: any): boolean;
 
   _isTypePartialModel(model: any): boolean;

src/ApiDocumentationElement.js

@@ -619,16 +619,25 @@ export class ApiDocumentationElement extends EventsTargetMixin(AmfHelperMixin(Li
   _computeTypeLibraryModel(model, selected) {
     let declModel = this._computeDeclById(model, selected)
     if (!declModel) {
-      const references = this._computeReferences(model);
-      if (references) {
-        // @ts-ignore
-        const declarationsInRef = references.map((r) => this._computeDeclares(r)).flat();
-        declModel = this._findById(declarationsInRef, selected);
-      }
+      declModel = this._computeRefById(model, selected);
     }
     return declModel;
   }
 
+  /**
+   * Computes model of a shape defined in `references` list
+   * @param model AMF model
+   * @param selected Current selection
+   */
+  _computeRefById(model, selected) {
+    const references = this._computeReferences(model);
+    if (!references) {
+      return undefined;
+    }
+    const declarationsInRef = references.map((r) => this._computeDeclares(r)).flat();
+    return this._findById(declarationsInRef, selected);
+  }
+
   /**
    * Extracts security model from security scheme fragment and sets current selection
    * and the model.