feat: add more interface for flutter web support (#444)

* 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

Author: yuhao900914

src/amplitude-client.js

@@ -17,7 +17,7 @@ import base64Id from './base64Id';
 import DEFAULT_OPTIONS from './options';
 import getHost from './get-host';
 import baseCookie from './base-cookie';
-import { getEventLogApi } from './server-zone';
+import { AmplitudeServerZone, getEventLogApi } from './server-zone';
 import ConfigManager from './config-manager';
 
 /**
@@ -858,15 +858,33 @@ AmplitudeClient.prototype.setDomain = function setDomain(domain) {
  * Sets an identifier for the current user.
  * @public
  * @param {string} userId - identifier to set. Can be null.
+ * @param {boolean} startNewSession - (optional) if start a new session or not
  * @example amplitudeClient.setUserId('joe@gmail.com');
  */
-AmplitudeClient.prototype.setUserId = function setUserId(userId) {
+AmplitudeClient.prototype.setUserId = function setUserId(userId, startNewSession = false) {
+  if (!utils.validateInput(startNewSession, 'startNewSession', 'boolean')) {
+    return;
+  }
+
   if (this._shouldDeferCall()) {
     return this._q.push(['setUserId'].concat(Array.prototype.slice.call(arguments, 0)));
   }
 
   try {
     this.options.userId = (userId !== undefined && userId !== null && '' + userId) || null;
+    if (startNewSession) {
+      if (this.options.unsetParamsReferrerOnNewSession) {
+        this._unsetUTMParams();
+      }
+      this._newSession = true;
+      this._sessionId = new Date().getTime();
+
+      // only capture UTM params and referrer if new session
+      if (this.options.saveParamsReferrerOncePerSession) {
+        this._trackParamsAndReferrer();
+      }
+    }
+
     _saveCookieData(this);
   } catch (e) {
     utils.log.error(e);
@@ -1232,6 +1250,7 @@ AmplitudeClient.prototype._logEvent = function _logEvent(
   timestamp,
   callback,
   errorCallback,
+  outOfSession,
 ) {
   _loadCookieData(this); // reload cookie before each log event to sync event meta-data between windows and tabs
 
@@ -1257,7 +1276,13 @@ AmplitudeClient.prototype._logEvent = function _logEvent(
     }
     var sequenceNumber = this.nextSequenceNumber();
     var eventTime = type(timestamp) === 'number' ? timestamp : new Date().getTime();
-    if (!this._sessionId || !this._lastEventTime || eventTime - this._lastEventTime > this.options.sessionTimeout) {
+    if (outOfSession) {
+      this._sessionId = -1;
+    } else if (
+      !this._sessionId ||
+      !this._lastEventTime ||
+      eventTime - this._lastEventTime > this.options.sessionTimeout
+    ) {
       this._sessionId = eventTime;
     }
     this._lastEventTime = eventTime;
@@ -1383,13 +1408,20 @@ AmplitudeClient.prototype._limitEventsQueued = function _limitEventsQueued(queue
  * @param {Amplitude~eventCallback} opt_error_callback - (optional) a callback function to run after the event logging
  * fails. The failure can be from the request being malformed or from a network failure
  * Note: the server response code and response body from the event upload are passed to the callback function.
+ * @param {boolean} outOfSession - (optional) if this event is out of session or not
  * @example amplitudeClient.logEvent('Clicked Homepage Button', {'finished_flow': false, 'clicks': 15});
  */
-AmplitudeClient.prototype.logEvent = function logEvent(eventType, eventProperties, opt_callback, opt_error_callback) {
+AmplitudeClient.prototype.logEvent = function logEvent(
+  eventType,
+  eventProperties,
+  opt_callback,
+  opt_error_callback,
+  outOfSession = false,
+) {
   if (this._shouldDeferCall()) {
     return this._q.push(['logEvent'].concat(Array.prototype.slice.call(arguments, 0)));
   }
-  return this.logEventWithTimestamp(eventType, eventProperties, null, opt_callback, opt_error_callback);
+  return this.logEventWithTimestamp(eventType, eventProperties, null, opt_callback, opt_error_callback, outOfSession);
 };
 
 /**
@@ -1403,6 +1435,7 @@ AmplitudeClient.prototype.logEvent = function logEvent(eventType, eventPropertie
  * @param {Amplitude~eventCallback} opt_error_callback - (optional) a callback function to run after the event logging
  * fails. The failure can be from the request being malformed or from a network failure
  * Note: the server response code and response body from the event upload are passed to the callback function.
+ * @param {boolean} outOfSession - (optional) if out of the sessioin or not
  * @example amplitudeClient.logEvent('Clicked Homepage Button', {'finished_flow': false, 'clicks': 15});
  */
 AmplitudeClient.prototype.logEventWithTimestamp = function logEvent(
@@ -1411,6 +1444,7 @@ AmplitudeClient.prototype.logEventWithTimestamp = function logEvent(
   timestamp,
   opt_callback,
   opt_error_callback,
+  outOfSession = false,
 ) {
   if (this._shouldDeferCall()) {
     return this._q.push(['logEventWithTimestamp'].concat(Array.prototype.slice.call(arguments, 0)));
@@ -1435,6 +1469,13 @@ AmplitudeClient.prototype.logEventWithTimestamp = function logEvent(
     });
     return -1;
   }
+
+  if (!utils.validateInput(outOfSession, 'outOfSession', 'boolean')) {
+    _logErrorsWithCallbacks(opt_callback, opt_error_callback, 0, 'No request sent', {
+      reason: 'Invalid outOfSession value',
+    });
+  }
+
   return this._logEvent(
     eventType,
     eventProperties,
@@ -1445,6 +1486,7 @@ AmplitudeClient.prototype.logEventWithTimestamp = function logEvent(
     timestamp,
     opt_callback,
     opt_error_callback,
+    outOfSession,
   );
 };
 
@@ -1473,6 +1515,7 @@ AmplitudeClient.prototype.logEventWithGroups = function (
   groups,
   opt_callback,
   opt_error_callback,
+  outOfSession = false,
 ) {
   if (this._shouldDeferCall()) {
     return this._q.push(['logEventWithGroups'].concat(Array.prototype.slice.call(arguments, 0)));
@@ -1490,7 +1533,25 @@ AmplitudeClient.prototype.logEventWithGroups = function (
     });
     return -1;
   }
-  return this._logEvent(eventType, eventProperties, null, null, groups, null, null, opt_callback, opt_error_callback);
+
+  if (!utils.validateInput(outOfSession, 'outOfSession', 'boolean')) {
+    _logErrorsWithCallbacks(event.callback, event.errorCallback, 0, 'No request sent', {
+      reason: 'Invalid outOfSession value',
+    });
+  }
+
+  return this._logEvent(
+    eventType,
+    eventProperties,
+    null,
+    null,
+    groups,
+    null,
+    null,
+    opt_callback,
+    opt_error_callback,
+    outOfSession,
+  );
 };
 
 /**
@@ -1847,7 +1908,10 @@ AmplitudeClient.prototype.__VERSION__ = function getVersion() {
  * @param {string} name - Custom library name
  * @param {string} version - Custom library version
  */
-AmplitudeClient.prototype.setLibrary = function setLibrary(name, version) {
+AmplitudeClient.prototype.setLibrary = function setLibrary(
+  name = this.options.libraryName,
+  version = this.options.libraryVersion,
+) {
   this.options.library = { name: name, version: version };
 };
 
@@ -1897,4 +1961,140 @@ AmplitudeClient.prototype._refreshDynamicConfig = function _refreshDynamicConfig
   }
 };
 
+/**
+ * Returns the deviceId value.
+ * @public
+ * @return {string} Id of current device.
+ */
+AmplitudeClient.prototype.getDeviceId = function getDeviceId() {
+  return this.options.deviceId;
+};
+
+/**
+ * Returns the userId.
+ * @public
+ * @return {string} Id of current user.
+ */
+AmplitudeClient.prototype.getUserId = function getUserId() {
+  return this.options.userId;
+};
+
+/**
+ * Set a custom session expiration time.
+ * @public
+ * @param {number} timeInMillis - session expireation time in milliseconds.
+ */
+AmplitudeClient.prototype.setMinTimeBetweenSessionsMillis = function setMinTimeBetweenSessionsMillis(timeInMillis) {
+  if (!utils.validateInput(timeInMillis, 'timeInMillis', 'number')) {
+    return;
+  }
+
+  if (this._shouldDeferCall()) {
+    return this._q.push(['setMinTimeBetweenSessionsMillis'].concat(Array.prototype.slice.call(arguments, 0)));
+  }
+
+  try {
+    this.options.sessionTimeout = timeInMillis;
+  } catch (e) {
+    utils.log.error(e);
+  }
+};
+
+/**
+ * Sets minimum number of events to batch together per request if batchEvents is true.
+ * @public
+ * @param {number} eventUploadThreshold - The number of the event upload threshold. Default value is 30.
+ * @example amplitudeClient.setEventUploadThreshold(10);
+ */
+AmplitudeClient.prototype.setEventUploadThreshold = function setEventUploadThreshold(eventUploadThreshold) {
+  if (!utils.validateInput(eventUploadThreshold, 'eventUploadThreshold', 'number')) {
+    return;
+  }
+
+  if (this._shouldDeferCall()) {
+    return this._q.push(['setEventUploadThreshold'].concat(Array.prototype.slice.call(arguments, 0)));
+  }
+
+  try {
+    this.options.eventUploadThreshold = eventUploadThreshold;
+  } catch (e) {
+    utils.log.error(e);
+  }
+};
+
+/**
+ * Dynamically adjust server URL
+ * @public
+ * @param {bool} useDynamicConfig - if enable dynamic config or not.
+ * @example amplitudeClient.setUseDynamicConfig(true);
+ */
+AmplitudeClient.prototype.setUseDynamicConfig = function setUseDynamicConfig(useDynamicConfig) {
+  if (!utils.validateInput(useDynamicConfig, 'useDynamicConfig', 'boolean')) {
+    return;
+  }
+
+  if (this._shouldDeferCall()) {
+    return this._q.push(['setUseDynamicConfig'].concat(Array.prototype.slice.call(arguments, 0)));
+  }
+
+  try {
+    this.options.useDynamicConfig = useDynamicConfig;
+    this._refreshDynamicConfig();
+  } catch (e) {
+    utils.log.error(e);
+  }
+};
+
+/**
+ * Sets the server zone, used for server api endpoint and dynamic configuration.
+ * @public
+ * @param {string} serverZone - the server zone value. AmplitudeServerZone.US or AmplitudeServerZone.EU.
+ * @param {bool} serverZoneBasedApi - (optional) update api endpoint with serverZone change or not. For data residency, recommend to enable it unless using own proxy server.
+ * @example amplitudeClient.setServerZone('joe@gmail.com', true);
+ */
+AmplitudeClient.prototype.setServerZone = function setServerZone(serverZone, serverZoneBasedApi = true) {
+  if (
+    (serverZone !== AmplitudeServerZone.EU && serverZone !== AmplitudeServerZone.US) ||
+    !utils.validateInput(serverZoneBasedApi, 'serverZoneBasedApi', 'boolean')
+  ) {
+    return;
+  }
+
+  if (this._shouldDeferCall()) {
+    return this._q.push(['setServerZone'].concat(Array.prototype.slice.call(arguments, 0)));
+  }
+
+  try {
+    this.options.serverZone = serverZone;
+    this.options.serverZoneBasedApi = serverZoneBasedApi;
+    if (serverZoneBasedApi) {
+      this.options.apiEndpoint = getEventLogApi(this.options.serverZone);
+    }
+  } catch (e) {
+    utils.log.error(e);
+  }
+};
+
+/**
+ * Sets the server URL for the request.
+ * @public
+ * @param {string} serverUrl - The value of the server URL.
+ * @example amplitudeClient.setServerUrl('api.amplitude.com');
+ */
+AmplitudeClient.prototype.setServerUrl = function setServerUrl(serverUrl) {
+  if (!utils.validateInput(serverUrl, 'serverUrl', 'string')) {
+    return;
+  }
+
+  if (this._shouldDeferCall()) {
+    return this._q.push(['setServerUrl'].concat(Array.prototype.slice.call(arguments, 0)));
+  }
+
+  try {
+    this.options.apiEndpoint = serverUrl;
+  } catch (e) {
+    utils.log.error(e);
+  }
+};
+
 export default AmplitudeClient;

src/amplitude-snippet.js

@@ -79,6 +79,14 @@
     'logEventWithGroups',
     'setSessionId',
     'resetSessionId',
+    'getDeviceId',
+    'getUserId',
+    'setMinTimeBetweenSessionsMillis',
+    'setEventUploadThreshold',
+    'setUseDynamicConfig',
+    'setServerZone',
+    'setServerUrl',
+    'sendEvents',
     'setLibrary',
     'setTransport',
   ];