feat: update setLibrary api make it ignore the null value of name or …

…version (#449)

* feat: add more interface for flutter web support

* patch: code clean up and other fix

* test: add setUserId test

* patch: test update

* patch: remove unnecessary api interface

* patch: make setLibrary function able to seprate set library name and version

* patch: make setLibrary function able to seprate set library name and version

* patch: setLibrary improvement

* patch: make groupIdentify and identify api enable to pass outOfSession info

* test: add test and chagnes based on comments

src/amplitude-client.js

@@ -1114,7 +1114,7 @@ var _convertProxyObjectToRealObject = function _convertProxyObjectToRealObject(i
  * var identify = new amplitude.Identify().set('colors', ['rose', 'gold']).add('karma', 1).setOnce('sign_up_date', '2016-03-31');
  * amplitude.identify(identify);
  */
-AmplitudeClient.prototype.identify = function (identify_obj, opt_callback, opt_error_callback) {
+AmplitudeClient.prototype.identify = function (identify_obj, opt_callback, opt_error_callback, outOfSession) {
   if (this._shouldDeferCall()) {
     return this._q.push(['identify'].concat(Array.prototype.slice.call(arguments, 0)));
   }
@@ -1142,6 +1142,7 @@ AmplitudeClient.prototype.identify = function (identify_obj, opt_callback, opt_e
         null,
         opt_callback,
         opt_error_callback,
+        outOfSession,
       );
     } else {
       _logErrorsWithCallbacks(opt_callback, opt_error_callback, 0, 'No request sent', {
@@ -1162,6 +1163,7 @@ AmplitudeClient.prototype.groupIdentify = function (
   identify_obj,
   opt_callback,
   opt_error_callback,
+  outOfSession,
 ) {
   if (this._shouldDeferCall()) {
     return this._q.push(['groupIdentify'].concat(Array.prototype.slice.call(arguments, 0)));
@@ -1205,6 +1207,7 @@ AmplitudeClient.prototype.groupIdentify = function (
         null,
         opt_callback,
         opt_error_callback,
+        outOfSession,
       );
     } else {
       _logErrorsWithCallbacks(opt_callback, opt_error_callback, 0, 'No request sent', {
@@ -1908,11 +1911,13 @@ AmplitudeClient.prototype.__VERSION__ = function getVersion() {
  * @param {string} name - Custom library name
  * @param {string} version - Custom library version
  */
-AmplitudeClient.prototype.setLibrary = function setLibrary(
-  name = this.options.libraryName,
-  version = this.options.libraryVersion,
-) {
-  this.options.library = { name: name, version: version };
+AmplitudeClient.prototype.setLibrary = function setLibrary(name, version) {
+  if (name !== null && typeof name !== 'undefined') {
+    this.options.library.name = name;
+  }
+  if (version !== null && typeof version !== 'undefined') {
+    this.options.library.version = version;
+  }
 };
 
 /**

test/amplitude-client.js

@@ -1526,6 +1526,15 @@ describe('AmplitudeClient', function () {
       assert.equal(value, 0);
       assert.equal(message, 'No request sent');
     });
+
+    it('should out of session', function () {
+      var identify = new Identify().set('prop1', 'value1');
+      amplitude.groupIdentify(group_type, group_name, identify, true);
+
+      assert.lengthOf(amplitude._unsentEvents, 0);
+      assert.lengthOf(amplitude._unsentIdentifys, 1);
+      assert.deepEqual(amplitude._unsentIdentifys[0].event.session_id, -1);
+    });
   });
 
   describe('logEvent with tracking options', function () {
@@ -2668,6 +2677,16 @@ describe('AmplitudeClient', function () {
       assert.deepEqual(amplitude._unsentIdentifys[0].event.user_properties, { $set: { 10: 10 } });
     });
 
+    it('should out of session', function () {
+      var identify = new Identify().set(10, 10);
+      amplitude.init(apiKey);
+      amplitude.identify(identify, null, null, true);
+
+      assert.lengthOf(amplitude._unsentEvents, 0);
+      assert.lengthOf(amplitude._unsentIdentifys, 1);
+      assert.deepEqual(amplitude._unsentIdentifys[0].event.session_id, -1);
+    });
+
     it('should ignore event and user properties with too many items', function () {
       amplitude.init(apiKey, null, { batchEvents: true, eventUploadThreshold: 2 });
       var eventProperties = {};