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We've now got two different ways of serving up all of our different Riak project files, we can either

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redirect a request or proxy the request over to a running reactor development server, or we can try

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to serve up all the production built files directly from our local client package.

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So let me give you a quick reminder on why we want these two different methods.

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OK, so first, if we are running our application locally on our machine and we are doing active development

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on it, then we definitely want to make sure that we use that proxy over to the local ReachOut development

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server.

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This is what is going to allow you and I to make changes to our react application and then see the updates

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on the fly inside of our browser.

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However, if we are running our Szalai on the user's machine, so in other words, if a user has installed

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our Seelie on their computer, then we want to make sure that we are instead serve up all of our built

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files from the bill directory inside of our local client project.

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So these are the two scenarios we really care about.

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So at some point in time, we need to decide which scenario we are in, are we doing active development

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or are we running on a user's machine?

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In addition, we need to decide upon when we are going to make that decision, or in other words, where

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inside of our code base are we going to decide between these two different options?

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Well, here's what I think we should probably do.

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I think that inside of our Seelie, we should place some logic inside there for deciding whether we

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are doing some development on our local machine or if we are running on a user's machine and essentially

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in a sort of production mode.

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So we should ask that question inside the Seelie.

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Then whenever we call the function from local API, we're going to pass down an additional argument

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that we're going to call use proxy, allow this be a very simple boolean.

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So either true or false and use proxy will be used to decide whether we're going to use the proxy or

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serve up files from that static directory.

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That's pretty much it.

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So back inside of my local API index file, I'm going to find my search function right here and I'm

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going to add in a fourth argument to this function that I will call use proxy, and that's going to

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be a boolean.

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I'm going to save this file right away because it's going to reformat this function quite a bit because

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that line is really long now.

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OK, so then inside of you, we're going to set up an if statement, we're going to say that if use

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proxy is true, we'll go ahead and set up our proxy middleware.

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Otherwise, we'll set up the express static middleware.

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So I'm going to add in down here if use proxy.

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Then let's go ahead and comment on the approximately where stuff cut it and paste it into the if statement.

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And then otherwise, so inside of our case, we'll take the other two lines at those and put them in

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like so.

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OK, so now it really comes down to how we're going to actually decide whether to use proxy is going

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to be true or false.

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So we have to go back over to our zeolite now and probably inside of our reserve command.

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We need to essentially answer this question, are we doing local development or are we running on a

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user's machine?

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Answering this question is going to be a little bit more challenging.

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So let's take a look at how we can answer that in the next video.