You’re Doing JavaScript Exports Wrong. Here’s Why.

You’re Doing JavaScript Exports Wrong. Here’s Why.

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A lot of starting developers wonder what is the best way to export something. Maybe for you it’s just about your personal preference and what you’re used to but surely there must be some sort of best practice right? Should you use default exports or named? Should you export from the file itself or an index? The answer to these questions is yes.

I'm going to make a bold statement here. The code you write isn't for you. (Unless you're the type that enjoys being a hermit and never working with others). Before I get into why this matters here's an explanation of each flavor of export.

Default exports

Exporting: export default thing

Importing: import thingy from 'place'

This is pretty basic you have one thing that you want to export and it doesn’t matter what it’s called only that it’s the main thing being exported. Note that above although I exported the package as 'thing' I am importing it as 'thingy’. That’s because default imports don’t care about names only that they are the default package. These are great for namespaces or roots of libraries where aliasing is ok.

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