All of these coding challenges will require npm (https://nodejs.org/en/) to be installed.

ePub meta information extraction (required)

We have a large set of ePub files (over 1000) that need the metainformation (title/author) extracted. Attached are the first 5 files as a sample. See https://www.dropbox.com/s/xwsbocrquj3kq3o/Test%20Epubs.zip?dl=0 for the epubs

Create a new node.js project with the package epub (https://www.npmjs.com/package/epub) as a dependency

Setup once node.js and npm is installed

npm init npm install epub --save

Use the ePub module to read in the attached 5 files, output the following meta information template below (if present) as a JSON file called index.json in a folder structure with the ePub name then index.json for example 1.epub would be stored in /1/index.json

Meta Information template example:

{ “title":"Horace: Odes and Epodes", "contributors":["Horace”] }

(Required) Write some unit tests in mocha https://mochajs.org/ for the code above.

Polymer Starter Kit (required)

Download the polymer starter kit (https://github.com/PolymerElements/polymer-starter-kit)

Then can you then please add a login page to the starter kit (replace one of the current views or add your own) with a form that contains An ‘email’ box which takes a valid email A ‘password’ box which takes a valid password (over 8 characters) A ‘confirm password’ box which is valid if the same as the password box And a submit button that only allows a submit to occur if the email, password and confirm password boxes are valid P.S. https://elements.polymer-project.org/elements/iron-form and https://elements.polymer-project.org/elements/paper-input may be very useful here.

(Recommended) Write tests for the above Polymer code using web component tester (https://github.com/Polymer/web-component-tester)

1. Run npm install
2. epub files can be parsed with the following command:
   node index.js (Absolute path to epub file)
3. Meta data about the epub file should be exported to relevant folder (/assets) under index.json
4. Tests can be run with the following command:
   npm test

The form is located in my-view1. I have replaced the lorem ipsum with an iron-form and three paper-inputs. Email and password validations are run when the form is submitted. I was unable to implement the password confirmation validation and the deactivation of the submit button if fields are invalidated. The Shadow DOM seem to be preventing me from selecting elements such as input fields for functions to be run. Proposed approach would be a custom validator.