discourse/app/assets/javascripts/admin/components/permalink-form.js.es6

import Permalink from "admin/models/permalink";

export default Ember.Component.extend({
  classNames: ["permalink-form"],
  formSubmitted: false,
  permalinkType: "topic_id",

  permalinkTypes: function() {
    return [
      { id: "topic_id", name: I18n.t("admin.permalink.topic_id") },
      { id: "post_id", name: I18n.t("admin.permalink.post_id") },
      { id: "category_id", name: I18n.t("admin.permalink.category_id") },
      { id: "external_url", name: I18n.t("admin.permalink.external_url") }
    ];
  }.property(),

  permalinkTypePlaceholder: function() {
    return "admin.permalink." + this.get("permalinkType");
  }.property("permalinkType"),

  actions: {
    submit: function() {
      if (!this.get("formSubmitted")) {
        const self = this;
        self.set("formSubmitted", true);
        const permalink = Permalink.create({
          url: self.get("url"),
          permalink_type: self.get("permalinkType"),
          permalink_type_value: self.get("permalink_type_value")
        });
        permalink.save().then(
          function(result) {
            self.set("url", "");
            self.set("permalink_type_value", "");
            self.set("formSubmitted", false);
            self.sendAction("action", Permalink.create(result.permalink));
            Em.run.schedule("afterRender", function() {
              self.$(".permalink-url").focus();
            });
          },
          function(e) {
            self.set("formSubmitted", false);
            let error;
            if (e.responseJSON && e.responseJSON.errors) {
              error = I18n.t("generic_error_with_reason", {
                error: e.responseJSON.errors.join(". ")
              });
            } else {
              error = I18n.t("generic_error");
            }
            bootbox.alert(error, function() {
              self.$(".permalink-url").focus();
            });
          }
        );
      }
    }
  },

  didInsertElement: function() {
    var self = this;
    self._super();
    Em.run.schedule("afterRender", function() {
      self.$(".external-url").keydown(function(e) {
        if (e.keyCode === 13) {
          // enter key
          self.send("submit");
        }
      });
    });
  }
});