Add fallback to ensure older versions of iOS Safari are supported

Older versions of Safari on iOS had problems selecting text programatically. This small commit adds a workaround for that by using an older, yet still supported, method of selecting text when on iOS devices.

src/copyToClipboard.js

@@ -15,11 +15,23 @@ const copyToClipboard = text => {
 
  document.body.appendChild(fakeElem)
 
- fakeElem.select()
+ if (isIOS()) {
+ const range = document.createRange()
+ const selection = window.getSelection()
+ range.selectNodeContents(fakeElem)
+ selection.removeAllRanges()
+ selection.addRange(range)
+ fakeElem.setSelectionRange(0, 999999)
+ } else {
+ fakeElem.select()
+ }
+
  document.execCommand("copy")
 
  document.body.removeChild(fakeElem)
  fakeElem = null
 }
 
+const isIOS = () => navigator.userAgent.match(/ipad|iphone/i)
+
 export default copyToClipboard