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In this lecture, we're going to review the last few files in the source directory.

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We've gone over the most critical topics in this section.

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The rest of the files will either be revisited or briefly discussed in this lecture.

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Let's begin in the source directory, we have a folder called assets.

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The assets folder can store static asset files.

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As we discussed before, the angular Seelye will process the files in our project.

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However, there's one exception to this rule.

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The files stored in the assets directory will be copied over to the final build during compilation.

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This directory is perfect for storing images, fonts or any other static file you want to be included

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in your project.

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It's not a victory for storing CSX.

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Instead, we should store CSX in a components respective style sheet file.

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Next, we have a file called Poly Dot and us.

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The Poly Scott T.S. File contains code for supporting features that aren't available in the browser.

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Not all browsers are considered equal.

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Some browsers don't support every feature we need for our app to work.

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The Polly Fills file will check if the current browser supports the features it needs if it doesn't.

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The feature will be recreated this way.

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Our app will work on any browser, especially the older ones.

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The following file in the list is the Styles Access file.

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Initially, this file will be empty.

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It's where we can end global styles to our app.

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Normally you should add CSIS to a component.

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However, if you need to apply styles on a global level, you should add them here.

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Up next, we have the tests file.

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This file will contain the configuration settings for running tests.

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Testing is not a topic we'll be exploring in this course.

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You can safely ignore this file.

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It will not impact the behavior of our app since we're on the topic of tests.

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Another test file in the app directory is called App Dock Component Aspects Angular will generate test

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files for your components.

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Test files how the spec extension, which is short for spec. It's common to have this extension in the

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name.

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It's not required, but recommended.

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One last thing Let's open the app module acts file.

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This file is almost an exact copy of the original module file.

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It's missing a property called providers.

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I decided not to include this property because we would need to discuss what services are.

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It's not required to have this property in a module unless we're using services.

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It's a topic we will be exploring in a future section.

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I just wanted to mention it for those of you who caught this.

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With that being said, we're finished reviewing the default project.

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There's so much going on under the hood by running the engine new command Angular generated this entire

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project.

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Thus, we have the bare minimum for starting and angular projects in the next section.

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We're going to spend some time on components.

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Writing components is mostly what you're going to be doing during the development of an angular app.

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Apps are mostly built with components.

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When you're ready, I'll see you in the next section.