Note: the command above is similar to using npm. Next, let’s get started by installing a few packages: yarn add prettier prettier-eslint prettier-eslint-cli -D Have added a plugin that includes React configurations.So what are we starting off with? We already: But don’t fret! You can tweak this configuration. #Javascript lint command line for mac code#You should expect that it will format your code in a consistent way, but maybe a different way than you currently have it configured. Particularly, I’m going to pick up where I left off in my previous walkthrough where we installed ESLint to a React application.Īdditionally of note, Prettier tells us right from the start that it's an opinionated code formatter. This means you don’t have to manually go through and make all of those little whitespace and semicolon (add them! ?) tweaks yourself! Ron Swanson happyĪDVERTISEMENT Getting started with Prettierįor this walkthrough, I’m going to assume that you have ESLint set up and configured in an application. Taking that to the next level, some linters will actually allow you to pass in an argument to the command running the linter that allows it to fix it for you automagically. When run, it will show all the issues and let you go through each one individually to fix them. Or they can simply help keep a codebase clean, healthy, and consistent. Linters are powerful and provide an easy way to scan your code for syntax errors that could lead to bugs. So why am I writing this? What do you mean fix it?īefore we roll into it, let’s hit this quick. At the end, I actually included a way that you could automatically fix your code. Previously I wrote about linting, what it is, and how it makes your life easier. But how can we avoid doing the actual work that goes into fixing it? Linting makes our lives easier because it tells us what’s wrong with our code.
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