fix: convert to string from null in hs

src/v0/destinations/hs/util.js

@@ -19,6 +19,7 @@ const {
   getHashFromArray,
   getDestinationExternalIDInfoForRetl,
   getValueFromMessage,
+  isNull,
 } = require('../../util');
 const {
   CONTACT_PROPERTY_MAP_ENDPOINT,
@@ -223,7 +224,9 @@ const getTransformedJSON = async (message, destination, propertyMap) => {
       // lowercase and replace ' ' & '.' with '_'
       const hsSupportedKey = formatKey(traitsKey);
       if (!rawPayload[traitsKey] && propertyMap[hsSupportedKey]) {
-        let propValue = traits[traitsKey];
+        // HS accepts empty string to remove the property from contact
+        // https://community.hubspot.com/t5/APIs-Integrations/Clearing-values-of-custom-properties-in-Hubspot-contact-using/m-p/409156
+        let propValue = isNull(traits[traitsKey]) ? '' : traits[traitsKey];
         if (propertyMap[hsSupportedKey] === 'date') {
           propValue = getUTCMidnightTimeStampValue(propValue);
         }

src/v0/util/index.js

@@ -52,6 +52,7 @@ const removeUndefinedAndNullAndEmptyValues = (obj) =>
   lodash.pickBy(obj, isDefinedAndNotNullAndNotEmpty);
 const isBlank = (value) => lodash.isEmpty(lodash.toString(value));
 const flattenMap = (collection) => lodash.flatMap(collection, (x) => x);
+const isNull = (x) => lodash.isNull(x);
 // ========================================================================
 // GENERIC UTLITY
 // ========================================================================
@@ -2266,6 +2267,7 @@ module.exports = {
   isDefinedAndNotNullAndNotEmpty,
   isEmpty,
   isNotEmpty,
+  isNull,
   isEmptyObject,
   isHttpStatusRetryable,
   isHttpStatusSuccess,

test/integrations/destinations/hs/processor/data.ts

@@ -1,3 +1,45 @@
+import { Destination } from '../../../../../src/types';
+import { generateMetadata, generateSimplifiedIdentifyPayload } from '../../../testUtils';
+
+const commonOutputHeaders = {
+  'Content-Type': 'application/json',
+  Authorization: 'Bearer dummy-access-token',
+};
+
+const destination: Destination = {
+  Config: {
+    authorizationType: 'newPrivateAppApi',
+    accessToken: 'dummy-access-token',
+    hubID: 'dummy-hubId',
+    apiKey: 'dummy-apikey',
+    apiVersion: 'newApi',
+    lookupField: 'email',
+    hubspotEvents: [],
+    eventFilteringOption: 'disable',
+    blacklistedEvents: [
+      {
+        eventName: '',
+      },
+    ],
+    whitelistedEvents: [
+      {
+        eventName: '',
+      },
+    ],
+  },
+  Enabled: true,
+  ID: '123',
+  Name: 'hs',
+  DestinationDefinition: {
+    ID: '123',
+    Name: 'hs',
+    DisplayName: 'Hubspot',
+    Config: {},
+  },
+  WorkspaceID: '123',
+  Transformations: [],
+};
+
 export const data = [
   {
     name: 'hs',
@@ -5269,4 +5311,66 @@ export const data = [
       },
     },
   },
+  {
+    name: 'hs',
+    description: 'Test coversion of null to string values',
+    feature: 'processor',
+    module: 'destination',
+    version: 'v0',
+    input: {
+      request: {
+        body: [
+          {
+            destination,
+            message: generateSimplifiedIdentifyPayload({
+              userId: '12345',
+              context: {
+                traits: {
+                  email: 'noname@email.com',
+                  firstname: null,
+                  gender: '',
+                  lookupField: 'email',
+                },
+              },
+            }),
+            metadata: generateMetadata(1),
+          },
+        ],
+      },
+    },
+    output: {
+      response: {
+        status: 200,
+        body: [
+          {
+            output: {
+              version: '1',
+              type: 'REST',
+              userId: '',
+              method: 'POST',
+              endpoint: 'https://api.hubapi.com/crm/v3/objects/contacts',
+              files: {},
+              headers: commonOutputHeaders,
+              operation: 'createContacts',
+              params: {},
+              body: {
+                FORM: {},
+                JSON: {
+                  properties: {
+                    email: 'noname@email.com',
+                    firstname: '',
+                    gender: '',
+                  },
+                },
+                JSON_ARRAY: {},
+                XML: {},
+              },
+            },
+            statusCode: 200,
+            metadata: generateMetadata(1),
+          },
+        ],
+      },
+    },
+  },
 ];