Tapcart Codeblocks SDK

Tapcart Web Bridge enables web pages to render inside of Tapcart apps and synchronize state between the web and native layers, invoke native functionalities, and react to real-time updates from the native app.

Installation

All dependencies are already added into package.json. Install them using yarn.

yarn install

Building

Webpack and Babel are used to build both the vanilla and react versions of the SDK. Run the following command to build after editing src.

yarn build

The final build files are put in the dist folder.

Examples

All sample projects which use the SDK are located in the examples folder. These can be used for testing the SDK locally during development.

Vanilla

A sample server has been setup to serve the vanillaJS SDK. Once the SDK source files have been edited, run the following commands from root of the project.

yarn build
yarn serve-local

The server is setup with hot reloading so any updates to the SDK will be reflected automatically after running yarn build.

Example Usage

<!-- index.html -->

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <title>SDK Test HTML</title>
        <script type="text/javascript" defer src="http://localhost:3000/tapcart.js"></script>
        <script type="text/javascript" defer src="script.js"></script>
    </head>
    <body id="body" style="height: 100vh;">
        <div id="tapcart-root"></div>
    </body>
</html>

// script.js

(function () {
	let merchantFunc = Function(`Tapcart.registerEventHandler("cart/updated",function(eventName,eventData){ console.log("Event Handler:", eventName  ,eventData); })`);
	Tapcart.registerMerchantJavascript(merchantFunc);
})()

// Test script - Simulates what app can/needs to do after loading codeblock/webview
setTimeout(function () {
	Tapcart.init({ variables: { firstName: "Gopi" } });
	Tapcart.triggerEvent("cart/updated",{"total": "10.00",currency: "USD"})
},3000);

React

To test the react SDK, yalc is used to facilitate local npm package linking.

1.) First, install yalc globally

npm i -g yalc

2.) Build/Publish to local yalc repo. Run following from project root

yarn build
yarn publish-local

3.) Run example react app from /examples/react/react-app directory

yarn codeblocks/add
yarn install
yarn start

4.) To reflect changes made to SDK in the example React App

Build & Publish from project root

yarn build
yarn publish-local

Update tapcart-codeblocks-react package in /examples/react/react-app directory

yarn codeblocks/update

Example Usage

// App.js

import {TapcartProvider,createClient} from "tapcart-codeblocks-react";
import InnerComponent from "./InnerComponent";

function App() {

  const tapcartClient = createClient({test: false});

  return (
    <div className="App">
      <TapcartProvider client={tapcartClient}>
         <InnerComponent/>
         ...
      </TapcartProvider>
    </div>

  );
}

export default App;

// InnerComponent.js

import {useActions} from "tapcart-codeblocks-react";

function InnerComponent(props) {
    let {openProduct,openCollection,openCart} = useActions();
    return <button onClick={() => openProduct("1232242232132")}>Inner Component</button>
}

export default InnerComponent;

Docs

The SDK acts as a communication bridge between the native iOS/Android Webviews and the Web Apps built by the merchants. This two way communication is powered by events and actions.

Actions allow the SDK users to interact with native app functionality via JS. The following actions are supported currently:

Tapcart.addToCart Tapcart.openProduct Tapcart.openCollection Tapcart.openCart Tapcart.applyDiscount Tapcart.applyGiftCard

Events allow SDK users to respond to changes in the native apps; The following events are supported currently:

cart/updated discount/applied giftcard/applied product/opened collection/opened