Added Typescript support

.babelrc

@@ -1,3 +1,3 @@
 {
-  "presets": ["@babel/env"]
+  "presets": ["@babel/env", "@babel/preset-typescript"]
 }

lib/index.d.ts

@@ -0,0 +1,311 @@
+interface IEvent {
+    evLabel?: string;
+    evValue?: string;
+    clientID?: string;
+}
+interface ITransaction {
+    trnAffil?: string;
+    trnRev?: string;
+    trnShip?: number;
+    trnTax?: number;
+    currCode?: string;
+}
+interface IRefund {
+    prdID?: string;
+    prdQty?: string;
+}
+interface IPurchase {
+    trnAffil?: string;
+    trnRev?: string;
+    trnTax?: number;
+    trnShip?: number;
+    trnCoupon?: string;
+    prdID?: string;
+    prdName?: string;
+    prdCtg?: string;
+    prdBrand?: string;
+    prdVar?: string;
+    prdPos?: string;
+}
+interface ICheckout {
+    prdID?: string;
+    prdName?: string;
+    prdCtg?: string;
+    prdBrand?: string;
+    prdVar?: string;
+    prdPrice?: number;
+    prdQty?: number;
+}
+interface IPromoImp {
+    promoID?: string;
+    promoName?: string;
+    promoCrt?: string;
+    promoPos?: string;
+}
+interface IPromoCk extends IPromoImp {
+    evLabel?: string;
+}
+interface IItem {
+    itemPrice?: number;
+    itemQty?: string;
+    itemSku?: string;
+    itemVariation?: string;
+    currCode?: string;
+}
+interface ITimingTrk {
+    timingLbl?: string;
+    dns?: number;
+    pageDownTime?: number;
+    redirTime?: number;
+    tcpConnTime?: number;
+    serverResTime?: number;
+}
+declare class Analytics {
+    private globalDebug;
+    private globalUserAgent;
+    private globalBaseURL;
+    private globalDebugURL;
+    private globalCollectURL;
+    private globalBatchURL;
+    private globalTrackingID;
+    private globalVersion;
+    private customParams;
+    /**
+     * Constructor
+     *
+     * @param {string} trackingID
+     * @param {Object} param1
+     */
+    constructor(trackingID: string, { userAgent, debug, version }?: {
+        userAgent?: string | undefined;
+        debug?: boolean | undefined;
+        version?: number | undefined;
+    });
+    /**
+     * Adds custom parameters to requests
+     * if value is null, then parameter will be removed
+     *
+     * @param  {string} key     Parameter name
+     * @param  {string} value   Parameter value
+     */
+    set(key: string, value: string): void;
+    /**
+     * Send a "pageview" request
+     *
+     * @param  {string} url      Url of the page
+     * @param  {string} title    Title of the page
+     * @param  {string} hostname Document hostname
+     * @param  {string} clientID uuidV4
+     * @param  {string} sessDuration A string to force start or end a session
+     *
+     * @return {Promise}
+     */
+    pageview(hostname: string, url: string, title: string, clientID?: string, sessDuration?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "event" request
+     *
+     * @param  {string} evCategory Event category
+     * @param  {string} evAction   Event action
+     * @param  {string} clientID   uuidV4
+     * @param  {string} evLabel    Event label
+     * @param  {string} evValue    Event description
+     *
+     * @return {Promise}
+     */
+    event(evCategory: string, evAction: string, { evLabel, evValue, clientID }?: IEvent): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "screenview" request
+     *
+     * @param  {string} appName        App name
+     * @param  {string} appVer         App version
+     * @param  {string} appID          App Id
+     * @param  {string} appInstallerID App Installer Id
+     * @param  {string} screenName     Screen name / Content description
+     * @param  {string} clientID       uuidV4
+     *
+     * @return {Promise}
+     */
+    screen(appName: string, appVer: string, appID: string, appInstallerID: string, screenName: string, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "transaction" request
+     *
+     * @param  {string} trnID    Transaction ID
+     * @param  {string} trnAffil Transaction affiliation
+     * @param  {string} trnRev   Transaction Revenue
+     * @param  {Number} trnShip  Transaction shipping
+     * @param  {Number} trnTax   Transaction tax
+     * @param  {string} currCode Currency code
+     * @param  {string} clientID uuidV4
+     *
+     * @return {Promise}
+     */
+    transaction(trnID: string, { trnAffil, trnRev, trnShip, trnTax, currCode }?: ITransaction, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "social" request
+     *
+     * @param  {string} socialAction  Social Action
+     * @param  {string} socialNetwork Social Network
+     * @param  {string} socialTarget  Social Target
+     * @param  {string} clientID      uuidV4
+     *
+     * @return {Promise}
+     */
+    social(socialAction: string, socialNetwork: string, socialTarget: string, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "exception" request
+     *
+     * @param  {string} exDesc   Exception description
+     * @param  {Number} exFatal  Exception is fatal?
+     * @param  {string} clientID uuidV4
+     *
+     * @return {Promise}
+     */
+    exception(exDesc: string, exFatal: number, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "refund" request
+     *
+     * @param {string} trnID          Transaction ID
+     * @param {string} evCategory     Event category
+     * @param {string} evAction       Event action
+     * @param {Number} nonInteraction Non-interaction parameter
+     * @param {string} prdID          Product ID
+     * @param {Number} prdQty         Product quantity
+     * @param {string} clientID       uuidV4
+     *
+     * @returns {Promise}
+     */
+    refund(trnID: string, evCategory?: string, evAction?: string, nonInteraction?: number, { prdID, prdQty }?: IRefund, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "purchase" request
+     * @param  {string} hostname      Document hostname
+     * @param  {string} url           Url of the page
+     * @param  {string} title         Title of the page
+     * @param  {string} transactionID Transaction ID
+     * @param  {string} trnAffil      Transaction affiliation
+     * @param  {string} trnRev        Transaction Revenue
+     * @param  {Number} trnTax        Transaction tax
+     * @param  {Number} trnShip       Transaction shipping
+     * @param  {string} trnCoupon     Transaction coupon
+     * @param  {string} prdID         Product ID
+     * @param  {string} prdName       Product name
+     * @param  {string} prdCtg        Product category
+     * @param  {string} prdBrand      Product brand
+     * @param  {string} prdVar        Product variant
+     * @param  {string} prdPos        Product position
+     * @param  {string} clientID      uuidV4
+     * @return {Promise}
+     */
+    purchase(hostname: string, url: string, title: string, transactionID: string, { trnAffil, trnRev, trnTax, trnShip, trnCoupon, prdID, prdName, prdCtg, prdBrand, prdVar, prdPos, }?: IPurchase, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "checkout" request
+     * @param  {string} hostname     Document hostname
+     * @param  {string} url          Url of the page
+     * @param  {string} title        Title of the page
+     * @param  {string} checkoutStep Checkout step
+     * @param  {string} checkoutOpt  Checkout step option
+     * @param  {string} prdID        Product ID
+     * @param  {string} prdName      Product name
+     * @param  {string} prdCtg       Product category
+     * @param  {string} prdBrand     Product brand
+     * @param  {string} prdVar       Product variant
+     * @param  {Number} prdPrice     Product price
+     * @param  {Number} prdQty       Product category
+     * @param  {string} clientID     uuidV4
+     * @return {Promise}
+     */
+    checkout(hostname: string, url: string, title: string, checkoutStep: string, checkoutOpt: string, { prdID, prdName, prdCtg, prdBrand, prdVar, prdPrice, prdQty, }?: ICheckout, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "checkout_option" request
+     * @param  {string} evCategory   Event category
+     * @param  {string} evAction     Event action
+     * @param  {string} checkoutStep Checkout step
+     * @param  {string} checkoutOpt  Checkout step option
+     * @param  {string} clientID     uuidV4
+     * @return {Promise}
+     */
+    checkoutOpt(evCategory: string, evAction: string, checkoutStep?: string, checkoutOpt?: string, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     *
+     * @param {*} hostname
+     * @param {*} url
+     * @param {*} title
+     * @param {*} param3
+     * @param {*} clientID
+     */
+    promoImp(hostname: string, url: string, title: string, { promoID, promoName, promoCrt, promoPos }?: IPromoImp, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     *
+     * @param {*} evCategory
+     * @param {*} evAction
+     * @param {*} param2
+     * @param {*} clientID
+     */
+    promoCk(evCategory: string, evAction: string, { evLabel, promoID, promoName, promoCrt, promoPos }?: IPromoCk, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "item" request
+     * @param  {string} trnID         Transaction ID
+     * @param  {string} itemName      Item name
+     * @param  {Number} itemPrice     Item price
+     * @param  {string} itemQty       Item quantity
+     * @param  {string} itemSku       Item SKU
+     * @param  {string} itemVariation Item variation / category
+     * @param  {string} currCode      Currency code
+     * @param  {string} clientID      uuidV4
+     * @return {Promise}
+     */
+    item(trnID: string, itemName: string, { itemPrice, itemQty, itemSku, itemVariation, currCode }?: IItem, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a "timing tracking" request
+     * @param  {string} timingCtg     Timing category
+     * @param  {string} timingVar     Timing variable
+     * @param  {Number} timingTime    Timing time
+     * @param  {string} timingLbl     Timing label
+     * @param  {Number} dns           DNS load time
+     * @param  {Number} pageDownTime  Page download time
+     * @param  {Number} redirTime     Redirect time
+     * @param  {Number} tcpConnTime   TCP connect time
+     * @param  {Number} serverResTime Server response time
+     * @param  {string} clientID      uuidV4
+     * @return {Promise}
+     */
+    timingTrk(timingCtg: string, timingVar: string, timingTime: number, { timingLbl, dns, pageDownTime, redirTime, tcpConnTime, serverResTime, }?: ITimingTrk, clientID?: string): Promise<Error | {
+        clientID: string | number;
+    }>;
+    /**
+     * Send a request to google-analytics
+     *
+     * @param  {string} hitType  Hit type
+     * @param  {string} clientID Unique identifier (uuidV4)
+     * @param  {Object} params   Options
+     *
+     * @return {Promise}
+     */
+    private send;
+}
+export default Analytics;