Check out a free preview of the full Creating an Open Source JavaScript Library on Github course:
The "Exercise: Creating the Library" Lesson is part of the full, Creating an Open Source JavaScript Library on Github course featured in this preview video. Here's what you'd learn in this lesson:

Kent sets up the next exercise with a little pseudo code before turning it over to the group. In this exercise you will create the index.js file, install the unique-random-array module, and add the node_modules directory to the .gitignore file. - http://slides.com/kentcdodds/write-oss#/6/1

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