Check if a string or buffer is SVG
$ npm install is-svg
const isSvg = ;;//=> true
This module performs a quick-and-dirty check. It's fast, but in certain cases it will give incorrect results.
truefor an SVG-like string that isn't well-formed or valid:
If you want to make certain that your SVG is valid, try parsing it with libxmljs.
MIT © Sindre Sorhus