Word Search Kata

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(this description of the kata was copied from http://exercism.io)

In word search puzzles you get a square of letters and have to find specific words in them.

For example:

jefblpepre
camdcimgtc
oivokprjsm
pbwasqroua
rixilelhrs
wolcqlirpc
screeaumgr
alxhpburyi
jalaycalmp
clojurermt

There are several programming languages hidden in the above square.

Words can be hidden in all kinds of directions: left-to-right, right-to-left, vertical and diagonal.

Given a puzzle and a list of words return the location of the first and last letter of each word.

Requirements

You should use NodeJS v8 or above.

Install assignment dependencies:

$ npm install

Making the test suite pass

Run Jest in watch mode, with coverage info like this:

$ npm run watch:cover

In the test suite all tests but the first have been skipped.

Once you get a test passing, you can enable the next one by changing xtest to test.