set-state-compare/src/pure-component.jsx

setState for React that compares with the current state and only sets the state if changed.

import React from "react"
import shouldComponentUpdate from "./should-component-update.js"

export default class PureComponent extends React.Component {
  shouldComponentUpdate(nextProps, nextState) {
    return shouldComponentUpdate(this, nextProps, nextState)
  }
}