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@gaearon
gaearon / prepack-gentle-intro-1.md
Last active March 22, 2025 07:22
A Gentle Introduction to Prepack, Part 1

Note:

When this guide is more complete, the plan is to move it into Prepack documentation.
For now I put it out as a gist to gather initial feedback.

A Gentle Introduction to Prepack (Part 1)

If you're building JavaScript apps, you might already be familiar with some tools that compile JavaScript code to equivalent JavaScript code:

  • Babel lets you use newer JavaScript language features, and outputs equivalent code that targets older JavaScript engines.
@kentcdodds
kentcdodds / create-required-context.js
Created May 15, 2018 22:31
create react context that has a validated consumer.
// create a React context Provider/Consumer pair that
// validates the consumer is rendered within a provider
function createRequiredContext(name) {
const Context = React.createContext()
function Consumer(props) {
return (
<Context.Consumer {...props}>
{val => {
if (!val) {