JavaScript Kata

Code kata in JavaScript where you have to write a library of books and magazines.

A code kata is an exercise in programming which helps a programmer hone their skills through practice and repetition.

• Frame conditions
• Tasks
• Procedure
• License

Frame conditions

1. You have exact 2.5 hours of time - no minute longer.
   If you reach this time limit stop your work immediately.
   It is one part of the kata to respect this time limit.
   There are no restrictions on how to use the provided time.
   If you want to code the entire time, take a break or a cigaret - it’s up to you.

2. There is no complete or incomplete, most likely it'll be impossible to close all the tasks in the first run (that's the point of kata as a type of practice). Keep in mind following priorities though:

   1. Code quality and structure.
   2. Functionality.
   3. UI/UX.

3. This is a real world situation. You are allowed to consult the Internet, use every library you want, call a friend...
   BUT you're NOT allowed to:

   • do pair programming
   • have a look at your previous implementation of this kata if you've done it before

4. Given resources:

   • authors.csv: Contains authors with its email, firstName and lastName.
   • books.csv: Contains books with its title, description, one or more authors and an isbn.
   • magazines.csv: Contains magazines with its title, one or more authors, a publishedAt and an isbn.

Tasks

• Main tasks
• Optional tasks

Main tasks

1. Parse the data from the given CSV files in a meaningful structure.

2. Print out a merged list of books and magazines with all their details sorted by title.

3. Implement search:

   1. By isbn.
   2. By authors' email.

4. Add unit tests.

Optional tasks

1. Implement adding a book/magazine to the data structure of your software.

2. Implement exporting of the new list to a CSV file.

Procedure

1. Get the code. There are several ways for it:

   1. With fork (makes it possible to preserve your work):

      1. Fork this repository
      2. Clone this fork to your computer:

         git clone <your github url>
         # Example: git clone https://github.com/echocat/javascript-kata-1.git

   2. Just download it from here

2. Open in your favorite text editor/IDE.

3. Start the kata.

4. Discuss with your friends and/or colleges your solution.

5. Repeat after some days/weeks.

FAQ

How to run your application?

1. Install dependencies:

   npm i

2. Run start script:

   npm run start

   This command will run dev server. After this the project is accessible on http://localhost:9000/

What's the structure of the boilerplate?

Important! react and react-dom are already included in package.json. If you want to use other libraries/frameworks, you have to install and include them manually.

1. webpack for building and bundling:

   • .js and .css files work out of the box.
   • entry point is src/index.js file.
   • bundle is being written in dist/main.js.

2. jest for testing.

3. eslint for code checking.

4. webpack-dev-server for hacking:

   • configured to serve content of dist, data and static folders. If you run server, CSV files are gonna be available from the root, e.g. data/authors.csv will be served over http://localhost:9000/authors.csv
   • supports live reload

5. babel for code transpiling:

   • preconfigured with preset-env and preset-react.
   • plugin-transform-runtime plugin to support async/await.

Hint: if you prefer using another build tool/bundler/test suite/etc: feel free to modify whatever you need.

How to lint your code?

For code check:

npm run lint

To fix the linting errors:

npm run lint:fix

How to run your tests?

npm run test

License

See LICENSE file.