Windshear is a React hook for just-in-time component rendering, with first-class support for Tailwind CSS. Easily bind visibility and other events to viewport dimensions and breakpoints with pinpoint accuracy.

Installation

npm install windshear

Usage

Viewport dimensions

Windshear provides realtime viewport information that can be used to control the visibility of components or any feature that relies on the width/height of the viewport. Just call useViewport, and Windshear will continuously update the currentWidth and currentHeight properties using the global window.innerWidth and window.innerHeight for desktop browsers, and window.screen.width and window.screen.height for mobile browsers.

import { useViewport } from 'windshear'

export default function Component () {
  const viewport = useViewport()
  return (
    <>
      {
        viewport.currentWidth > 1280 ?
          (<p>ComponentA</p>) :
          (<p>ComponentB</p>)
      }
    </>
  )
}

Tailwind breakpoints

Windshear accepts breakpoint definitions using the Tailwind breakpoint schema. Simply drop your breakpoints into useViewport, and Windshear will continuously update the activeBreakpoint property with the key of the active breakpoint. Supports Tailwind's standard, max-width, and multi-range breakpoints.

import { screens } from 'tailwindcss/defaultTheme'
import { useViewport } from 'windshear'

export default function Component () {
  const viewport = useViewport(screens)
  return (
    <>
      {
        viewport.activeBreakpoint === 'lg' ?
          (<p>ComponentA</p>) :
          (<p>ComponentB</p>)
      }
    </>
  )
}

Mobile user agents

Windshear provides basic detection for mobile user agents, and currently supports user agent strings containing the keywords Android, webOS, iPhone, iPad, iPod, or BlackBerry.

import { useViewport } from 'windshear'

export default function Component () {
  const viewport = useViewport()
  return (
    <>
      {
        viewport.isMobileAgent ?
          (<p>ComponentA</p>) :
          (<p>ComponentB</p>)
      }
    </>
  )
}