mastodon/app/assets/javascripts/components/link_header.jsx

import Link from 'http-link-header';
import querystring from 'querystring';

Link.parseAttrs = (link, parts) => {
  let match = null
  let attr  = ''
  let value = ''
  let attrs = ''

  let uriAttrs = /<(.*)>;\s*(.*)/gi.exec(parts)

  if(uriAttrs) {
    attrs = uriAttrs[2]
    link  = Link.parseParams(link, uriAttrs[1])
  }

  while(match = Link.attrPattern.exec(attrs)) {
    attr  = match[1].toLowerCase()
    value = match[4] || match[3] || match[2]

    if( /\*$/.test(attr)) {
      Link.setAttr(link, attr, Link.parseExtendedValue(value))
    } else if(/%/.test(value)) {
      Link.setAttr(link, attr, querystring.decode(value))
    } else {
      Link.setAttr(link, attr, value)
    }
  }

  return link
};

export default Link;