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BART Control Skill For Amazon’s Alexa Released

I am pleased to announce that my first ever skill for Amazon Alexa powered devices has gone live in the Amazon Skill Marketplace. My skill, BART Control, accesses live information about the Bay Area Rapid Transit system in northern California.

If you’re unfamiliar with Amazon Alexa, it can be described as follows per Amazon:

Alexa, the voice service that powers Echo, provides capabilities, or skills, that enable customers to interact with devices in a more intuitive way using voice. Examples of these skills include the ability to play music, answer general questions, set an alarm or timer and more. Alexa is built in the cloud, so it is always getting smarter. The more customers use Alexa, the more she adapts to speech patterns, vocabulary, and personal preferences.

I personally own an Amazon Echo, but there is a wide variety of hardware that is compatible with Amazon’s voice service.

Now let me share some specifics about the skill that I developed and what I used to develop it.

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Add Type Definitions To An External JavaScript File In TypeScript

Not too long ago I wrote an article that explained how to include external JavaScript libraries in an Angular TypeScript project. To summarize that post, my goal was to show how to use any of the millions of JavaScript libraries that exist online within a TypeScript application. I received a lot of heat from that article saying that I am missing the point of TypeScript because in the end I wasn’t using any type definitions. I disagree because not every library that exists on the internet will have a set of type definitions. In that sense the article still proves very useful.

This time around, I want to explain how to include type definitions in your project, should they exist. I won’t be going over the entire Angular demo again, but the JavaScript library will be the same and it will still be a functional application.

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Include External JavaScript Libraries In An Angular TypeScript Project

I’ve been a JavaScript developer for a while now, but with the release of Angular, I’ve been inspired to pick up TypeScript. However, what happens when I want to use one of my hundreds of available external JavaScript libraries in my project?

I’m going to share how to use your favorite JavaScript libraries in a TypeScript Angular application.

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