Roam Alias Plugin

roamAliasPlugin.js

window.onhashchange = function () {
  var isPage = window.location.hash.split('/')[3] == 'page'
  if (isPage) {
    setTimeout(function () {
      var topBlock = document.getElementsByClassName("roam-block")[0].children[0]
      var blockValue = topBlock.innerText.split(':')
      if (blockValue.length == 2 && blockValue[0] == 'forward') {
        var attrs = topBlock.children[1].attributes[1]
        if (attrs.name == 'data-link-uid') {
          var newUrl = window.location.href.slice(0, -9) + attrs.value
          window.location.assign(newUrl)
        }
      }
    }, 1)
  }
}