is-canvas-context

varify variabe is a canvas context

Usage no npm install needed!

<script type="module">
  import isCanvasContext from 'https://cdn.skypack.dev/is-canvas-context';
</script>

README

is-canvas-context

varify a variable is a canvas context

Build Status npm version

Installation

Download node at nodejs.org and install it, if you haven't already.

npm install is-canvas-context --save

Usage

import isCanvasContext from './'

let canvas = document.createElement('canvas')

isCanvasContext(canvas) // false
isCanvasContext(canvas.getContext('2d')) // true
isCanvasContext('not a context or canvas') // false

API

isCanvasContext(ctx:any):boolean

License

ISC