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Record It Before You Break It · Refactoring
Lesson 3 of 9 in Refactoring. Plus opens every course and every lesson, and new ones as they ship.
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Record It Before You Break It
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The whole refactor comes down to one question: is this behaving the same as it was before? And you can't answer that unless you wrote down what it was doing in the first place. In lesson one the thing that broke was the shape of the props going out to the page, and not a single test touched it.…
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