Add list of lists component to web UI (#5811)

* Add list of lists component to web UI

* Add list adding

* Add list removing

* List editor modal

* Add API account search limited by following=true relation

* Rework list editor modal

* Remove mandatory pagination of GET /api/v1/lists/:id/accounts

* Adjust search input placeholder

* Fix rspec (#5890)

* i18n: (zh-CN) Add missing translations for #5811 (#5891)

* i18n: (zh-CN) yarn manage:translations -- zh-CN

* i18n: (zh-CN) Add missing translations for #5811

* Fix some issues

- Display loading/missing state for list timelines
- Order lists alphabetically in overview
- Fix async list editor reset
- Redirect to /lists after deleting unpinned list
- Redirect to / after pinning a list

* Remove dead list columns when a list is deleted or fetch returns 404

app/javascript/mastodon/features/lists/index.js

@@ -0,0 +1,76 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import LoadingIndicator from '../../components/loading_indicator';
+import Column from '../ui/components/column';
+import ColumnBackButtonSlim from '../../components/column_back_button_slim';
+import { fetchLists } from '../../actions/lists';
+import { defineMessages, injectIntl } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import ColumnLink from '../ui/components/column_link';
+import ColumnSubheading from '../ui/components/column_subheading';
+import NewListForm from './components/new_list_form';
+import { createSelector } from 'reselect';
+
+const messages = defineMessages({
+  heading: { id: 'column.lists', defaultMessage: 'Lists' },
+  subheading: { id: 'lists.subheading', defaultMessage: 'Your lists' },
+});
+
+const getOrderedLists = createSelector([state => state.get('lists')], lists => {
+  if (!lists) {
+    return lists;
+  }
+
+  return lists.toList().filter(item => !!item).sort((a, b) => a.get('title').localeCompare(b.get('title')));
+});
+
+const mapStateToProps = state => ({
+  lists: getOrderedLists(state),
+});
+
+@connect(mapStateToProps)
+@injectIntl
+export default class Lists extends ImmutablePureComponent {
+
+  static propTypes = {
+    params: PropTypes.object.isRequired,
+    dispatch: PropTypes.func.isRequired,
+    lists: ImmutablePropTypes.list,
+    intl: PropTypes.object.isRequired,
+  };
+
+  componentWillMount () {
+    this.props.dispatch(fetchLists());
+  }
+
+  render () {
+    const { intl, lists } = this.props;
+
+    if (!lists) {
+      return (
+        <Column>
+          <LoadingIndicator />
+        </Column>
+      );
+    }
+
+    return (
+      <Column icon='bars' heading={intl.formatMessage(messages.heading)}>
+        <ColumnBackButtonSlim />
+
+        <NewListForm />
+
+        <div className='scrollable'>
+          <ColumnSubheading text={intl.formatMessage(messages.subheading)} />
+
+          {lists.map(list =>
+            <ColumnLink key={list.get('id')} to={`/timelines/list/${list.get('id')}`} icon='bars' text={list.get('title')} />
+          )}
+        </div>
+      </Column>
+    );
+  }
+
+}