lemmy-ui/src/shared/components/home/instances.tsx

import { Component } from "inferno";
import { GetSiteResponse } from "lemmy-js-client";
import { i18n } from "../../i18next";
import { relTags, setIsoData } from "../../utils";
import { HtmlTags } from "../common/html-tags";

interface InstancesState {
  siteRes: GetSiteResponse;
}

export class Instances extends Component<any, InstancesState> {
  private isoData = setIsoData(this.context);
  state: InstancesState = {
    siteRes: this.isoData.site_res,
  };

  constructor(props: any, context: any) {
    super(props, context);
  }

  get documentTitle(): string {
    return `${i18n.t("instances")} - ${this.state.siteRes.site_view.site.name}`;
  }

  render() {
    let federated_instances = this.state.siteRes.federated_instances;
    return federated_instances ? (
      <div className="container-lg">
        <HtmlTags
          title={this.documentTitle}
          path={this.context.router.route.match.url}
        />
        <div className="row">
          <div className="col-md-6">
            <h5>{i18n.t("linked_instances")}</h5>
            {this.itemList(federated_instances.linked)}
          </div>
          {federated_instances.allowed &&
            federated_instances.allowed.length > 0 && (
              <div className="col-md-6">
                <h5>{i18n.t("allowed_instances")}</h5>
                {this.itemList(federated_instances.allowed)}
              </div>
            )}
          {federated_instances.blocked &&
            federated_instances.blocked.length > 0 && (
              <div className="col-md-6">
                <h5>{i18n.t("blocked_instances")}</h5>
                {this.itemList(federated_instances.blocked)}
              </div>
            )}
        </div>
      </div>
    ) : (
      <></>
    );
  }

  itemList(items: string[]) {
    let noneFound = <div>{i18n.t("none_found")}</div>;
    return items.length > 0 ? (
      <ul>
        {items.map(i => (
          <li key={i}>
            <a href={`https://${i}`} rel={relTags}>
              {i}
            </a>
          </li>
        ))}
      </ul>
    ) : (
      noneFound
    );
  }
}