622 select by data source (#623)

* bug fix

* update changelog

* bump version

* add release date

CHANGELOG.md

@@ -9,6 +9,11 @@
     The creation of the tag can be disabled with the --no-git-tag-version if desired.
 -->
 
+# 4.9.4 - 29 February 2024
+
+## Fixes
+- Fixed a bug with selecting techniques by data sources in the search & multi-select interface. See issue [#622](https://github.com/mitre-attack/attack-navigator/issues/622).
+
 # 4.9.3 - 27 February 2024
 
 ## Fixes

nav-app/package.json

@@ -5,7 +5,7 @@
         "type": "git",
         "url": "https://github.com/mitre-attack/attack-navigator.git"
     },
-    "version": "4.9.3",
+    "version": "4.9.4",
     "license": "Apache-2.0",
     "scripts": {
         "ng": "ng",

nav-app/src/app/classes/stix/data-component.ts

@@ -13,7 +13,7 @@ export class DataComponent extends StixObject {
     /**
      * Get techniques related to the data component
      * @param domainVersionID the ID of the domain and version
-     * @returns {string[]} technique IDs used by the data component
+     * @returns {Technique[]} list of techniques used by the data component
      */
     public techniques(domainVersionID): string[] {
         const techniques = [];
@@ -23,7 +23,7 @@ export class DataComponent extends StixObject {
         if (relationships.has(this.id)) {
             relationships.get(this.id).forEach((targetID) => {
                 const technique = domain.techniques.find((t) => t.id === targetID);
-                if (technique) techniques.push(technique.id);
+                if (technique) techniques.push(technique);
             });
         }
         return techniques;