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A Modern Approach to Third-Party Embedded Widgets Paul Campbell, CEO & co-founder, Tito

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The Bullshit Web https://pxlnv.com/blog/bullshit-web/

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The Bullshit Web https://pxlnv.com/blog/bullshit-web/

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Don’t do it. The end.

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A bit of background

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Tito

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Old Stack: Rails + Backbone + CoffeeScript + Custom

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New Stack: Rails + Vue.js + ES6 + Custom

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Modern!

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All of the Widgets

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The hit counter (from http://www.reliablecounter.com/) The Hit Counter

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The form post The form POST, i.e. PayPal

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Google Analytics

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Google Analytics

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Google Analytics Create a queue function

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Google Analytics Create a script tag, set src

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Google Analytics Insert script tag before the first script tag

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Social widgets etc.

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Twitter Timeline

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https://platform.twitter.com/widgets.js

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Facebook Like Button Facebook Like Button

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Facebook Like Button

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Facebook Like Button wut?

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Facebook Like Button

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Facebook Like Button Initialize variables, fail fast

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Facebook Like Button Create script element + add before first

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Facebook Like Button Use data-attributes for config

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Google +1 Button

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Google +1 Button

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Google +1 Button

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Stripe Checkout

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Stripe Checkout

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Stripe Checkout

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Stripe Checkout

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Intercom Messenger

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Intercom Messenger

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Settings in a global

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Fail fast, create queue

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Add script tag before first etc.

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Feature detection in a snippet

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Patterns • HTML element to fill/replace • Optionally, set up a queue • Global or inline tags for config • Insert additional before the first <script> tag

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What makes a modern widget?

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Simple, easy to use

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Drop-in, “just works”, but configurable

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Async loading

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Modern JavaScript syntax & features

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Scaleable

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No JS

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Example app: Modern Hit Counter

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SVG (obviously)

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Lots of benefits

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Sample Implementation Server

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Sample Implementation Server Host

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Sample Implementation

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e.g. Starwavatar

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e.g. Starwavatar

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http://starwavatars.global.ssl.fastly.net/avatars/ed005058da8ad6798b9253567b395ea.png

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https://github.com/teamtito/starwavatars

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A Sprinkle, i.e. form POST

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Example app: Register Interest Form

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Form POST

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Sample Implementation Server

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Sample Implementation

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Sample Implementation

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Sample Implementation

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Oh, so easy.

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The Embedded App

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Deep breath

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Let’s start simple.

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Simple Example

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Implementation

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Implementation

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Implementation

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Implementation

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Implementation

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Implementation

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Implementation

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Implementation

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Implementation

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Implementation

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Pros & Cons • Pros • Simple • Use modern JavaScript features, with limited fallbacks • Dead easy to get started • Control • 2kb filesize • Cons • No bundling • Can get out of hand quickly

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Stop!

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Node.js

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npm https://docs.npmjs.com/getting-started

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Webpack https://webpackjs.org/concepts https://webpack.js.org/guides/author-libraries/

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Babel https://babeljs.io/docs/en

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Vue.js https://vuejs.org/v2/guide/

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Modular Approach

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Modular Approach

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Modular Approach

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Wait!

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Tooling

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Directory Structure

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Directory Structure

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package.json

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package.json

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package.json

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package.json

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package.json

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package.json

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package.json

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package.json

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package.json

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package.json

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package.json

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Directory Structure

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Directory Structure

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Directory Structure

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Directory Structure

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Oh, webpack.

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webpack.config.js

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webpack.config.js

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webpack.config.js

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webpack.config.js

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webpack.config.js

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webpack.config.js

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Whew.

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Implementation

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Implementation

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Pros & Cons • Pros • Split code into logical components • Use modern JavaScript features • Dependency management • Cons • Complexity of setup • 145kb filesize

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Framework Approach

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Implementation

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Implementation

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New Usage

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App.vue

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App.vue

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App.vue

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Pros & Cons • Pros • All the benefits of modular approach • Rapid development • Rich ecosystem • “Easy” to add validations, routes, transitions etc. & more • Cons • Complexity of setup • Bloat, bloat and more bloat • 450kb filesize

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Listen!

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Server App Local Development Widget App Host App

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Server App Local Development Widget App Host App http://localhost:7045 http://localhost:53473 http://localhost:4057

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Try it at home! • https://github.com/paulca/turing-counter • https://github.com/paulca/turing-form • https://github.com/paulca/turing-form-respond • https://github.com/paulca/turing-widget • https://github.com/paulca/turing-widget-host

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Takeaways

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Embedded JavaScript apps are hard

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Do you really need to do this?

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The best of times, the worst of times

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The future is bright, and almost here.

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There are no rules. Have fun.