Merge pull request #167 from Flagsmith/fix/number-zero-flag-value

fix: Return 0 as number flag value instead of undefined

Author: rolodato

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "flagsmith-nodejs",
-  "version": "5.0.0",
+  "version": "5.0.1",
   "description": "Flagsmith lets you manage features flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features.",
   "main": "./build/cjs/index.js",
   "type": "module",

package.json

@@ -54,7 +54,7 @@ export class Flag extends BaseFlag {
     static fromAPIFlag(flagData: any): Flag {
         return new Flag({
             enabled: flagData['enabled'],
-            value: flagData['feature_state_value'] || flagData['value'],
+            value: flagData['feature_state_value'] ?? flagData['value'],
             featureId: flagData['feature']['id'],
             featureName: flagData['feature']['name']
         });