Real-Time code coverage in NodeJS app using Atom

Here is my current dev environment on Atom's Editor where I am able to have quasi-real-time (i.e. in about 1s to 2s) feedback on the test executed and its code coverage

For example here is what I see when there is a test failing:

• note the red dots on the left (after line 44)
• note the error message right (where '1.2' is not'1.3')
• code coverage is at 92.50%

And here is what happens when I fix it:

• Note all dots are now green (on left)
• Terminal shows details of tests executed
• Code coverage is now 100%

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