Added optional to args that get and set (#174)

Co-authored-by: Dave <dhaden@atlassian.com>

Author: Dahaden

lib/analytics.ts

@@ -158,8 +158,8 @@ Analytics.prototype.addDestinationMiddleware = function(
  */
 
 Analytics.prototype.init = Analytics.prototype.initialize = function(
-  settings: IntegrationsSettings,
-  options: InitOptions
+  settings?: IntegrationsSettings,
+  options?: InitOptions
 ): SegmentAnalytics {
   settings = settings || {};
   options = options || {};

lib/cookie.ts

@@ -27,7 +27,7 @@ function Cookie(options?: CookieOptions) {
  * Get or set the cookie options.
  */
 
-Cookie.prototype.options = function(options: CookieOptions) {
+Cookie.prototype.options = function(options?: CookieOptions) {
   if (arguments.length === 0) return this._options;
 
   options = options || {};

lib/entity.ts

@@ -72,7 +72,7 @@ Entity.prototype.storage = function() {
  * Get or set storage `options`.
  */
 
-Entity.prototype.options = function(options: InitOptions) {
+Entity.prototype.options = function(options?: InitOptions) {
   if (arguments.length === 0) return this._options;
   this._options = defaults(options || {}, this.defaults || {});
 };
@@ -81,7 +81,7 @@ Entity.prototype.options = function(options: InitOptions) {
  * Get or set the entity's `id`.
  */
 
-Entity.prototype.id = function(id: string): string | undefined {
+Entity.prototype.id = function(id?: string): string | undefined {
   switch (arguments.length) {
     case 0:
       return this._getId();
@@ -177,7 +177,7 @@ Entity.prototype._setIdInLocalStorage = function(id: string) {
  */
 
 Entity.prototype.properties = Entity.prototype.traits = function(
-  traits: object
+  traits?: object
 ): object | undefined {
   switch (arguments.length) {
     case 0:
@@ -219,7 +219,7 @@ Entity.prototype._setTraits = function(traits: object) {
  * extend the existing `traits` instead of overwriting.
  */
 
-Entity.prototype.identify = function(id: string, traits: object) {
+Entity.prototype.identify = function(id?: string, traits?: object) {
   traits = traits || {};
   var current = this.id();
   if (current === null || current === id)

lib/metrics.ts

@@ -14,7 +14,7 @@ function Metrics(options?: MetricsOptions) {
  * Set the metrics options.
  */
 
-Metrics.prototype.options = function(options: MetricsOptions) {
+Metrics.prototype.options = function(options?: MetricsOptions) {
   options = options || {};
 
   this.host = options.host || 'api.segment.io/v1';

lib/store.ts

@@ -22,7 +22,7 @@ function Store(options?: { enabled: boolean }) {
  * Set the `options` for the store.
  */
 
-Store.prototype.options = function(options: { enabled?: boolean }) {
+Store.prototype.options = function(options?: { enabled?: boolean }) {
   if (arguments.length === 0) return this._options;
 
   options = options || {};

lib/user.ts

@@ -86,7 +86,7 @@ inherit(User, Entity);
  * assert.notEqual(anonymousId, user.anonymousId());
  */
 
-User.prototype.id = function(id: string): string | undefined {
+User.prototype.id = function(id?: string): string | undefined {
   var prev = this._getId();
   var ret = Entity.prototype.id.apply(this, arguments);
   if (prev == null) return ret;
@@ -106,7 +106,7 @@ User.prototype.id = function(id: string): string | undefined {
  * @return {String|User}
  */
 
-User.prototype.anonymousId = function(anonymousId: string): string | User {
+User.prototype.anonymousId = function(anonymousId?: string): string | User {
   var store = this.storage();
 
   // set / remove