wk2 lesson notes -- Griffiths#19
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crgriffiths wants to merge 4 commits intopce-uw-jscript400:masterfrom
Open
wk2 lesson notes -- Griffiths#19crgriffiths wants to merge 4 commits intopce-uw-jscript400:masterfrom
crgriffiths wants to merge 4 commits intopce-uw-jscript400:masterfrom
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MadEste
reviewed
Jul 13, 2019
| * **Question:** Take a minute to look through the installed packages and describe the purpose of each one. Don't just copy and paste from something online! | ||
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| * **Your Answer:** | ||
| * **Your Answer:** Body parser appears to parse response data. Express is a simple javascript server library for serving files from a Node backend. Morgan is a testing framework. Nodemon appears to be a task runner. |
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Morgan provides logs for dev purposes.
MadEste
reviewed
Jul 13, 2019
| * **Question:** What type of thing is `app` and what is its purpose? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** App is a function and its various attached methods referencing the Express module. |
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👍
Also an event emitter and our running instance of the server.
MadEste
reviewed
Jul 13, 2019
| * **Question:** The above can be described as middleware. Describe what middleware is in your own words and how it differs from building a route. | ||
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| * **Your Answer:** | ||
| * **Your Answer:** Middleware is like a utility or helper for processessing requests. A route is an endpoint a client can make a request to. That endpoint would likely use that middleware to help process said request. |
MadEste
reviewed
Jul 13, 2019
| * **Question:** Try commenting out `body-parser` in your application. What happens and why? | ||
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| * **Your Answer:** | ||
| * **Your Answer:** Nothing was logged. This is likely because the response object has not been properly handled or parsed. |
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