Fix json parse issue (#738)

src/script/management-sdk.ts

@@ -297,7 +297,7 @@ class AccountManager {
         const appParams = await this._adapter.parseApiAppName(appName);
         const requestBody = targetRelease ? {
             label: targetRelease
-        } : null;
+        } : {};
 
         await this._requestManager.post(urlEncode`/apps/${appParams.appOwner}/${appParams.appName}/deployments/${deploymentName}/rollback_release`, JSON.stringify(requestBody), /*expectResponseBody=*/ false);
         return null;

src/utils/adapter/adapter.ts

@@ -271,13 +271,17 @@ class Adapter {
     public toRestReleaseModification(
         legacyCodePushReleaseInfo: sdkTypes.PackageInfo
     ): adapterTypes.ReleaseModification {
-        const releaseModification: adapterTypes.ReleaseModification = {
-            target_binary_range: legacyCodePushReleaseInfo.appVersion,
-            is_disabled: legacyCodePushReleaseInfo.isDisabled,
-            is_mandatory: legacyCodePushReleaseInfo.isMandatory,
-            description: legacyCodePushReleaseInfo.description,
-            rollout: legacyCodePushReleaseInfo.rollout
-        };
+        let releaseModification: adapterTypes.ReleaseModification = {} as adapterTypes.ReleaseModification ;
+
+        if (legacyCodePushReleaseInfo.appVersion) releaseModification.target_binary_range = legacyCodePushReleaseInfo.appVersion;
+
+        if (legacyCodePushReleaseInfo.isDisabled) releaseModification.is_disabled = legacyCodePushReleaseInfo.isDisabled;
+
+        if (legacyCodePushReleaseInfo.isMandatory) releaseModification.is_mandatory = legacyCodePushReleaseInfo.isMandatory;
+
+        if (legacyCodePushReleaseInfo.description) releaseModification.description = legacyCodePushReleaseInfo.description;
+
+        if (legacyCodePushReleaseInfo.rollout) releaseModification.rollout = legacyCodePushReleaseInfo.rollout;
 
         if (legacyCodePushReleaseInfo.label) releaseModification.label = legacyCodePushReleaseInfo.label;