Convert Database Plugin to TypeScript

Summary: Mainly convert `js` to `tsx` Additional change: - Try not to directly change object value in reduce function - Add emotion styled when there is error using style prop directly Reviewed By: nikoant Differential Revision: D21406943 fbshipit-source-id: 30312fa0b0d2d70fa52c5ff9db747e1a83beb270
2020-05-06 07:30:43 -07:00
parent 171b049a81
commit 7d2101c68f
5 changed files with 298 additions and 240 deletions
--- a/desktop/plugins/databases/ButtonNavigation.tsx
+++ b/desktop/plugins/databases/ButtonNavigation.tsx
@@ -8,17 +8,18 @@
 */

 import {Button, ButtonGroup, Glyph, colors} from 'flipper';
+import React from 'react';

-export default function ButtonNavigation(props: {|
+export default function ButtonNavigation(props: {
  /** Back button is enabled */
-  canGoBack: boolean,
+  canGoBack: boolean;
  /** Forwards button is enabled */
-  canGoForward: boolean,
+  canGoForward: boolean;
  /** Callback when back button is clicked */
-  onBack: () => void,
+  onBack: () => void;
  /** Callback when forwards button is clicked */
-  onForward: () => void,
-|}) {
+  onForward: () => void;
+}) {
  return (
    <ButtonGroup>
      <Button disabled={!props.canGoBack} onClick={props.onBack}>
--- a/desktop/plugins/databases/ClientProtocol.tsx
+++ b/desktop/plugins/databases/ClientProtocol.tsx
@@ -7,68 +7,68 @@
 * @format
 */

-import type {PluginClient, Value} from 'flipper';
+import {PluginClient, Value} from 'flipper';

-type ClientCall<Params, Response> = (Params) => Promise<Response>;
+type ClientCall<Params, Response> = (arg: Params) => Promise<Response>;

 type DatabaseListRequest = {};

 type DatabaseListResponse = Array<{
-  id: number,
-  name: string,
-  tables: Array<string>,
+  id: number;
+  name: string;
+  tables: Array<string>;
 }>;

 type QueryTableRequest = {
-  databaseId: number,
-  table: string,
-  order?: string,
-  reverse: boolean,
-  start: number,
-  count: number,
+  databaseId: number;
+  table: string;
+  order?: string;
+  reverse: boolean;
+  start: number;
+  count: number;
 };

 type QueryTableResponse = {
-  columns: Array<string>,
-  values: Array<Array<Value>>,
-  start: number,
-  count: number,
-  total: number,
+  columns: Array<string>;
+  values: Array<Array<Value>>;
+  start: number;
+  count: number;
+  total: number;
 };

 type GetTableStructureRequest = {
-  databaseId: number,
-  table: string,
+  databaseId: number;
+  table: string;
 };

 type GetTableStructureResponse = {
-  structureColumns: Array<string>,
-  structureValues: Array<Array<Value>>,
-  indexesColumns: Array<string>,
-  indexesValues: Array<Array<Value>>,
-  definition: string,
+  structureColumns: Array<string>;
+  structureValues: Array<Array<Value>>;
+  indexesColumns: Array<string>;
+  indexesValues: Array<Array<Value>>;
+  definition: string;
 };

 type ExecuteSqlRequest = {
-  databaseId: number,
-  value: string,
+  databaseId: number;
+  value: string;
 };

 type ExecuteSqlResponse = {
-  type: string,
-  columns: Array<string>,
-  values: Array<Array<Value>>,
-  insertedId: number,
-  affectedCount: number,
+  type: string;
+  columns: Array<string>;
+  values: Array<Array<Value>>;
+  insertedId: number;
+  affectedCount: number;
 };

 type GetTableInfoRequest = {
-  databaseId: number,
-  table: string,
+  databaseId: number;
+  table: string;
 };

 type GetTableInfoResponse = {
-  definition: string,
+  definition: string;
 };

 export class DatabaseClient {
@@ -78,16 +78,15 @@ export class DatabaseClient {
    this.client = pluginClient;
  }

-  getDatabases: ClientCall<DatabaseListRequest, DatabaseListResponse> = (
-    params,
-  ) => this.client.call('databaseList', {});
+  getDatabases: ClientCall<DatabaseListRequest, DatabaseListResponse> = () =>
+    this.client.call('databaseList', {});

  getTableData: ClientCall<QueryTableRequest, QueryTableResponse> = (params) =>
    this.client.call('getTableData', params);

  getTableStructure: ClientCall<
    GetTableStructureRequest,
-    GetTableStructureResponse,
+    GetTableStructureResponse
  > = (params) => this.client.call('getTableStructure', params);

  getExecution: ClientCall<ExecuteSqlRequest, ExecuteSqlResponse> = (params) =>
--- a/desktop/plugins/databases/index.tsx
+++ b/desktop/plugins/databases/index.tsx
@@ -25,13 +25,16 @@ import {
  DetailSidebar,
  Panel,
  ManagedDataInspector,
+  TableBodyColumn,
+  TableRows,
+  Props as FlipperPluginProps,
 } from 'flipper';
-import {Component} from 'react';
-import type {TableBodyRow, TableRowSortOrder} from 'flipper';
+import React, {Component, KeyboardEvent, ChangeEvent} from 'react';
+import {TableBodyRow, TableRowSortOrder} from 'flipper';
 import {FlipperPlugin} from 'flipper';
 import {DatabaseClient} from './ClientProtocol';
 import {renderValue} from 'flipper';
-import type {Value} from 'flipper';
+import {Value} from 'flipper';
 import ButtonNavigation from './ButtonNavigation';
 import sqlFormatter from 'sql-formatter';
 import dateFormat from 'dateformat';
@@ -50,55 +53,65 @@ const ErrorBar = styled.div({
  lineHeight: '26px',
  textAlign: 'center',
 });
+const QueryHistoryManagedTable = styled(ManagedTable)({paddingLeft: 16});
+const PageInfoContainer = styled(FlexRow)({alignItems: 'center'});
+const TableInfoTextArea = styled(Textarea)({
+  width: '98%',
+  height: '100%',
+  marginLeft: '1%',
+  marginTop: '1%',
+  marginBottom: '1%',
+  readOnly: true,
+});

-type DatabasesPluginState = {|
-  selectedDatabase: number,
-  selectedDatabaseTable: ?string,
-  pageRowNumber: number,
-  databases: Array<DatabaseEntry>,
-  outdatedDatabaseList: boolean,
-  viewMode: 'data' | 'structure' | 'SQL' | 'tableInfo' | 'queryHistory',
-  error: ?null,
-  currentPage: ?Page,
-  currentStructure: ?Structure,
-  currentSort: ?TableRowSortOrder,
-  query: ?Query,
-  queryResult: ?QueryResult,
-  favorites: Array<string>,
-  executionTime: number,
-  tableInfo: string,
-  queryHistory: Array<Query>,
-|};
-
-type Page = {
-  databaseId: number,
-  table: string,
-  columns: Array<string>,
-  rows: Array<TableBodyRow>,
-  start: number,
-  count: number,
-  total: number,
+type DatabasesPluginState = {
+  selectedDatabase: number;
+  selectedDatabaseTable: string | null;
+  pageRowNumber: number;
+  databases: Array<DatabaseEntry>;
+  outdatedDatabaseList: boolean;
+  viewMode: 'data' | 'structure' | 'SQL' | 'tableInfo' | 'queryHistory';
+  error: null;
+  currentPage: Page | null;
+  currentStructure: Structure | null;
+  currentSort: TableRowSortOrder | null;
+  query: Query | null;
+  queryResult: QueryResult | null;
+  favorites: Array<string>;
+  executionTime: number;
+  tableInfo: string;
+  queryHistory: Array<Query>;
 };

-type Structure = {|
-  databaseId: number,
-  table: string,
-  columns: Array<string>,
-  rows: Array<TableBodyRow>,
-  indexesColumns: Array<string>,
-  indexesValues: Array<TableBodyRow>,
-|};
+type Page = {
+  databaseId: number;
+  table: string;
+  columns: Array<string>;
+  rows: Array<TableBodyRow>;
+  start: number;
+  count: number;
+  total: number;
+};
+
+type Structure = {
+  databaseId: number;
+  table: string;
+  columns: Array<string>;
+  rows: Array<TableBodyRow>;
+  indexesColumns: Array<string>;
+  indexesValues: Array<TableBodyRow>;
+};

 type QueryResult = {
-  table: ?QueriedTable,
-  id: ?number,
-  count: ?number,
+  table: QueriedTable | null;
+  id: number | null;
+  count: number | null;
 };

 type QueriedTable = {
-  columns: Array<string>,
-  rows: Array<TableBodyRow>,
-  highlightedRows: Array<number>,
+  columns: Array<string>;
+  rows: Array<TableBodyRow>;
+  highlightedRows: Array<number>;
 };

 type Actions =
@@ -122,112 +135,112 @@ type Actions =
  | UpdateQueryEvent;

 type DatabaseEntry = {
-  id: number,
-  name: string,
-  tables: Array<string>,
+  id: number;
+  name: string;
+  tables: Array<string>;
 };

-type Query = {|
-  value: string,
-  time: string,
-|};
+type Query = {
+  value: string;
+  time: string;
+};

-type UpdateDatabasesEvent = {|
-  databases: Array<{name: string, id: number, tables: Array<string>}>,
-  type: 'UpdateDatabases',
-|};
+type UpdateDatabasesEvent = {
+  databases: Array<{name: string; id: number; tables: Array<string>}>;
+  type: 'UpdateDatabases';
+};

-type SelectDatabaseEvent = {|
-  type: 'UpdateSelectedDatabase',
-  database: number,
-|};
+type SelectDatabaseEvent = {
+  type: 'UpdateSelectedDatabase';
+  database: number;
+};

-type SelectDatabaseTableEvent = {|
-  type: 'UpdateSelectedDatabaseTable',
-  table: string,
-|};
+type SelectDatabaseTableEvent = {
+  type: 'UpdateSelectedDatabaseTable';
+  table: string;
+};

-type UpdateViewModeEvent = {|
-  type: 'UpdateViewMode',
-  viewMode: 'data' | 'structure' | 'SQL' | 'tableInfo' | 'queryHistory',
-|};
+type UpdateViewModeEvent = {
+  type: 'UpdateViewMode';
+  viewMode: 'data' | 'structure' | 'SQL' | 'tableInfo' | 'queryHistory';
+};

-type UpdatePageEvent = {|
-  type: 'UpdatePage',
-  databaseId: number,
-  table: string,
-  columns: Array<string>,
-  values: Array<Array<any>>,
-  start: number,
-  count: number,
-  total: number,
-|};
+type UpdatePageEvent = {
+  type: 'UpdatePage';
+  databaseId: number;
+  table: string;
+  columns: Array<string>;
+  values: Array<Array<any>>;
+  start: number;
+  count: number;
+  total: number;
+};

-type UpdateStructureEvent = {|
-  type: 'UpdateStructure',
-  databaseId: number,
-  table: string,
-  columns: Array<string>,
-  rows: Array<Array<any>>,
-  indexesColumns: Array<string>,
-  indexesValues: Array<Array<any>>,
-|};
+type UpdateStructureEvent = {
+  type: 'UpdateStructure';
+  databaseId: number;
+  table: string;
+  columns: Array<string>;
+  rows: Array<Array<any>>;
+  indexesColumns: Array<string>;
+  indexesValues: Array<Array<any>>;
+};

-type DisplaySelectEvent = {|
-  type: 'DisplaySelect',
-  columns: Array<string>,
-  values: Array<Array<any>>,
-|};
+type DisplaySelectEvent = {
+  type: 'DisplaySelect';
+  columns: Array<string>;
+  values: Array<Array<any>>;
+};

-type DisplayInsertEvent = {|
-  type: 'DisplayInsert',
-  id: number,
-|};
+type DisplayInsertEvent = {
+  type: 'DisplayInsert';
+  id: number;
+};

-type DisplayUpdateDeleteEvent = {|
-  type: 'DisplayUpdateDelete',
-  count: number,
-|};
+type DisplayUpdateDeleteEvent = {
+  type: 'DisplayUpdateDelete';
+  count: number;
+};

-type UpdateTableInfoEvent = {|
-  type: 'UpdateTableInfo',
-  tableInfo: string,
-|};
+type UpdateTableInfoEvent = {
+  type: 'UpdateTableInfo';
+  tableInfo: string;
+};

 type NextPageEvent = {
-  type: 'NextPage',
+  type: 'NextPage';
 };

 type PreviousPageEvent = {
-  type: 'PreviousPage',
+  type: 'PreviousPage';
 };

 type ExecuteEvent = {
-  type: 'Execute',
+  type: 'Execute';
 };

 type RefreshEvent = {
-  type: 'Refresh',
+  type: 'Refresh';
 };

 type UpdateFavoritesEvent = {
-  type: 'UpdateFavorites',
-  favorites: ?Array<string>,
+  type: 'UpdateFavorites';
+  favorites: Array<string> | undefined;
 };

 type SortByChangedEvent = {
-  type: 'SortByChanged',
-  sortOrder: TableRowSortOrder,
+  type: 'SortByChanged';
+  sortOrder: TableRowSortOrder;
 };

 type GoToRowEvent = {
-  type: 'GoToRow',
-  row: number,
+  type: 'GoToRow';
+  row: number;
 };

 type UpdateQueryEvent = {
-  type: 'UpdateQuery',
-  value: string,
+  type: 'UpdateQuery';
+  value: string;
 };

 function transformRow(
@@ -235,14 +248,14 @@ function transformRow(
  row: Array<Value>,
  index: number,
 ): TableBodyRow {
-  const transformedColumns = {};
+  const transformedColumns: {[key: string]: TableBodyColumn} = {};
  for (let i = 0; i < columns.length; i++) {
    transformedColumns[columns[i]] = {value: renderValue(row[i])};
  }
  return {key: String(index), columns: transformedColumns};
 }

-function renderTable(page: ?Page, component: DatabasesPlugin) {
+function renderTable(page: Page | null, component: DatabasesPlugin) {
  if (!page) {
    return null;
  }
@@ -254,10 +267,13 @@ function renderTable(page: ?Page, component: DatabasesPlugin) {
        key: name,
        visible: true,
      }))}
-      columns={page.columns.reduce((acc, val) => {
-        acc[val] = {value: val, resizable: true, sortable: true};
-        return acc;
-      }, {})}
+      columns={page.columns.reduce(
+        (acc, val) =>
+          Object.assign({}, acc, {
+            [val]: {value: val, resizable: true, sortable: true},
+          }),
+        {},
+      )}
      zebra={true}
      rows={page.rows}
      horizontallyScrollable={true}
@@ -268,12 +284,12 @@ function renderTable(page: ?Page, component: DatabasesPlugin) {
          sortOrder,
        });
      }}
-      initialSortOrder={component.state.currentSort}
+      initialSortOrder={component.state.currentSort ?? undefined}
    />
  );
 }

-function renderDatabaseColumns(structure: ?Structure) {
+function renderDatabaseColumns(structure: Structure | null) {
  if (!structure) {
    return null;
  }
@@ -285,10 +301,11 @@ function renderDatabaseColumns(structure: ?Structure) {
          key: name,
          visible: true,
        }))}
-        columns={structure.columns.reduce((acc, val) => {
-          acc[val] = {value: val, resizable: true};
-          return acc;
-        }, {})}
+        columns={structure.columns.reduce(
+          (acc, val) =>
+            Object.assign({}, acc, {[val]: {value: val, resizable: true}}),
+          {},
+        )}
        zebra={true}
        rows={structure.rows || []}
        horizontallyScrollable={true}
@@ -297,7 +314,7 @@ function renderDatabaseColumns(structure: ?Structure) {
  );
 }

-function renderDatabaseIndexes(structure: ?Structure) {
+function renderDatabaseIndexes(structure: Structure | null) {
  if (!structure) {
    return null;
  }
@@ -309,10 +326,11 @@ function renderDatabaseIndexes(structure: ?Structure) {
          key: name,
          visible: true,
        }))}
-        columns={structure.indexesColumns.reduce((acc, val) => {
-          acc[val] = {value: val, resizable: true};
-          return acc;
-        }, {})}
+        columns={structure.indexesColumns.reduce(
+          (acc, val) =>
+            Object.assign({}, acc, {[val]: {value: val, resizable: true}}),
+          {},
+        )}
        zebra={true}
        rows={structure.indexesValues || []}
        horizontallyScrollable={true}
@@ -335,13 +353,13 @@ function renderQueryHistory(history: Array<Query>) {
      resizable: true,
    },
  };
-  const rows = [];
+  const rows: TableRows = [];
  if (history.length > 0) {
    for (const query of history) {
      const time = query.time;
      const value = query.value;
      rows.push({
-        key: query,
+        key: value,
        columns: {time: {value: time}, query: {value: value}},
      });
    }
@@ -349,8 +367,7 @@ function renderQueryHistory(history: Array<Query>) {

  return (
    <FlexRow grow={true}>
-      <ManagedTable
-        style={{paddingLeft: 16}}
+      <QueryHistoryManagedTable
        floating={false}
        columns={columns}
        columnSizes={{time: 75}}
@@ -363,15 +380,15 @@ function renderQueryHistory(history: Array<Query>) {
 }

 type PageInfoProps = {
-  currentRow: number,
-  count: number,
-  totalRows: number,
-  onChange: (currentRow: number, count: number) => void,
+  currentRow: number;
+  count: number;
+  totalRows: number;
+  onChange: (currentRow: number, count: number) => void;
 };

 class PageInfo extends Component<
  PageInfoProps,
-  {isOpen: boolean, inputValue: string},
+  {isOpen: boolean; inputValue: string}
 > {
  constructor(props: PageInfoProps) {
    super(props);
@@ -382,11 +399,11 @@ class PageInfo extends Component<
    this.setState({isOpen: true});
  }

-  onInputChanged(e) {
+  onInputChanged(e: ChangeEvent<any>) {
    this.setState({inputValue: e.target.value});
  }

-  onSubmit(e: SyntheticKeyboardEvent<>) {
+  onSubmit(e: KeyboardEvent) {
    if (e.key === 'Enter') {
      const rowNumber = parseInt(this.state.inputValue, 10);
      this.props.onChange(rowNumber - 1, this.props.count);
@@ -396,7 +413,7 @@ class PageInfo extends Component<

  render() {
    return (
-      <FlexRow grow={true} alignItems={'center'}>
+      <PageInfoContainer grow={true}>
        <div style={{flex: 1}} />
        <Text>
          {this.props.count === this.props.totalRows
@@ -410,7 +427,7 @@ class PageInfo extends Component<
        {this.state.isOpen ? (
          <Input
            tabIndex={-1}
-            placeholder={this.props.currentRow + 1}
+            placeholder={(this.props.currentRow + 1).toString()}
            onChange={this.onInputChanged.bind(this)}
            onKeyDown={this.onSubmit.bind(this)}
          />
@@ -421,7 +438,7 @@ class PageInfo extends Component<
            Go To Row
          </Button>
        )}
-      </FlexRow>
+      </PageInfoContainer>
    );
  }
 }
@@ -429,6 +446,7 @@ class PageInfo extends Component<
 export default class DatabasesPlugin extends FlipperPlugin<
  DatabasesPluginState,
  Actions,
+  {}
 > {
  databaseClient: DatabaseClient;

@@ -451,7 +469,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
    queryHistory: [],
  };

-  reducers = [
+  reducers = ([
    [
      'UpdateDatabases',
      (
@@ -648,7 +666,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
      'NextPage',
      (
        state: DatabasesPluginState,
-        event: UpdatePageEvent,
+        _event: UpdatePageEvent,
      ): DatabasesPluginState => {
        return {
          ...state,
@@ -661,7 +679,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
      'PreviousPage',
      (
        state: DatabasesPluginState,
-        event: UpdatePageEvent,
+        _event: UpdatePageEvent,
      ): DatabasesPluginState => {
        return {
          ...state,
@@ -674,7 +692,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
      'Execute',
      (
        state: DatabasesPluginState,
-        results: ExecuteEvent,
+        _results: ExecuteEvent,
      ): DatabasesPluginState => {
        const timeBefore = Date.now();
        if (
@@ -756,7 +774,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
      'Refresh',
      (
        state: DatabasesPluginState,
-        event: RefreshEvent,
+        _event: RefreshEvent,
      ): DatabasesPluginState => {
        return {
          ...state,
@@ -831,17 +849,42 @@ export default class DatabasesPlugin extends FlipperPlugin<
        };
      },
    ],
-  ].reduce((acc, val) => {
-    const name = val[0];
-    const f = val[1];
+  ] as Array<
+    [
+      string,
+      (
+        state: DatabasesPluginState,
+        event: UpdateQueryEvent,
+      ) => DatabasesPluginState,
+    ]
+  >).reduce(
+    (
+      acc: {
+        [name: string]: (
+          state: DatabasesPluginState,
+          event: UpdateQueryEvent,
+        ) => DatabasesPluginState;
+      },
+      val: [
+        string,
+        (
+          state: DatabasesPluginState,
+          event: UpdateQueryEvent,
+        ) => DatabasesPluginState,
+      ],
+    ) => {
+      const name = val[0];
+      const f = val[1];

-    acc[name] = (previousState, event) => {
-      const newState = f(previousState, event);
-      this.onStateChanged(previousState, newState);
-      return newState;
-    };
-    return acc;
-  }, {});
+      acc[name] = (previousState, event) => {
+        const newState = f(previousState, event);
+        this.onStateChanged(previousState, newState);
+        return newState;
+      };
+      return acc;
+    },
+    {},
+  );

  onStateChanged(
    previousState: DatabasesPluginState,
@@ -938,6 +981,12 @@ export default class DatabasesPlugin extends FlipperPlugin<
    }
  }

+  // to keep eslint happy
+  constructor(props: FlipperPluginProps<{}>) {
+    super(props);
+    this.databaseClient = new DatabaseClient(this.client);
+  }
+
  init() {
    this.databaseClient = new DatabaseClient(this.client);
    this.databaseClient.getDatabases({}).then((databases) => {
@@ -1026,7 +1075,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
    this.setState({query: selected.target.value});
  };

-  onGoToRow = (row: number, count: number) => {
+  onGoToRow = (row: number, _count: number) => {
    this.dispatchAction({type: 'GoToRow', row: row});
  };

@@ -1092,7 +1141,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
    );
  };

-  sidebarRows = (id: number, table: QueriedTable) => {
+  sidebarRows(id: number, table: QueriedTable): TableRows {
    const columns = table.columns;
    const row = table.rows[id];
    if (columns.length === 1) {
@@ -1116,14 +1165,14 @@ export default class DatabasesPlugin extends FlipperPlugin<
      }
      return sidebarArray;
    } else {
-      return columns.map<Object>((column, i) =>
+      return columns.map((column, i) =>
        this.buildSidebarRow(columns[i], row.columns[columns[i]].value),
      );
    }
-  };
+  }

-  buildSidebarRow = (key: string, val: any) => {
-    let output = '';
+  buildSidebarRow(key: string, val: any): TableBodyRow {
+    let output: any = '';
    // TODO(T60896483): Narrow the scope of this try/catch block.
    try {
      const parsed = JSON.parse(val.props.children);
@@ -1147,9 +1196,9 @@ export default class DatabasesPlugin extends FlipperPlugin<
      },
      key: key,
    };
-  };
+  }

-  renderQuery(query: ?QueryResult) {
+  renderQuery(query: QueryResult | null) {
    if (!query || query === null) {
      return null;
    }
@@ -1170,10 +1219,11 @@ export default class DatabasesPlugin extends FlipperPlugin<
              key: name,
              visible: true,
            }))}
-            columns={columns.reduce((acc, val) => {
-              acc[val] = {value: val, resizable: true};
-              return acc;
-            }, {})}
+            columns={columns.reduce(
+              (acc, val) =>
+                Object.assign({}, acc, {[val]: {value: val, resizable: true}}),
+              {},
+            )}
            zebra={true}
            rows={rows}
            horizontallyScrollable={true}
@@ -1183,7 +1233,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
                  table: {
                    columns: columns,
                    rows: rows,
-                    highlightedRows: highlightedRows,
+                    highlightedRows: highlightedRows.map(parseInt),
                  },
                  id: null,
                  count: null,
@@ -1270,10 +1320,10 @@ export default class DatabasesPlugin extends FlipperPlugin<
            <Select
              options={this.state.databases
                .map((x) => x.name)
-                .reduce((obj, item) => {
-                  obj[item] = item;
-                  return obj;
-                }, {})}
+                .reduce(
+                  (obj, item) => Object.assign({}, obj, {[item]: item}),
+                  {},
+                )}
              selected={
                this.state.databases[this.state.selectedDatabase - 1]?.name
              }
@@ -1296,10 +1346,10 @@ export default class DatabasesPlugin extends FlipperPlugin<
              <Select
                options={this.state.databases
                  .map((x) => x.name)
-                  .reduce((obj, item) => {
-                    obj[item] = item;
-                    return obj;
-                  }, {})}
+                  .reduce(
+                    (obj, item) => Object.assign({}, obj, {[item]: item}),
+                    {},
+                  )}
                selected={
                  this.state.databases[this.state.selectedDatabase - 1]?.name
                }
@@ -1323,7 +1373,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
                  this.state.query !== null &&
                  typeof this.state.query !== 'undefined'
                    ? this.state.query.value
-                    : null
+                    : undefined
                }
              />
            }
@@ -1333,7 +1383,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
              <ButtonGroup>
                <Button
                  icon={'star'}
-                  iconSize={14}
+                  iconSize={12}
                  iconVariant={
                    this.state.query !== null &&
                    typeof this.state.query !== 'undefined' &&
@@ -1386,15 +1436,7 @@ export default class DatabasesPlugin extends FlipperPlugin<
              ? this.renderQuery(this.state.queryResult)
              : null}
            {this.state.viewMode === 'tableInfo' ? (
-              <Textarea
-                style={{
-                  width: '98%',
-                  height: '100%',
-                  marginLeft: '1%',
-                  marginTop: '1%',
-                  marginBottom: '1%',
-                  readOnly: true,
-                }}
+              <TableInfoTextArea
                value={sqlFormatter.format(this.state.tableInfo)}
              />
            ) : null}
--- a/desktop/plugins/databases/package.json
+++ b/desktop/plugins/databases/package.json
@@ -3,12 +3,18 @@
  "version": "1.0.0",
  "title": "Databases",
  "icon": "internet",
-  "main": "index.js",
+  "main": "index.tsx",
  "license": "MIT",
-  "keywords": ["flipper-plugin"],
+  "keywords": [
+    "flipper-plugin"
+  ],
  "dependencies": {
-    "sql-formatter": "^2.3.3",
-    "dateformat": "^3.0.3"
+    "dateformat": "^3.0.3",
+    "sql-formatter": "^2.3.3"
+  },
+  "devDependencies": {
+    "@types/dateformat": "^3.0.1",
+    "@types/sql-formatter": "^2.3.0"
  },
  "bugs": {
    "email": "oncall+flipper@xmail.facebook.com",
--- a/desktop/yarn.lock
+++ b/desktop/yarn.lock
@@ -1854,6 +1854,11 @@
  dependencies:
    "@types/d3-path" "*"

+"@types/dateformat@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/dateformat/-/dateformat-3.0.1.tgz#98d747a2e5e9a56070c6bf14e27bff56204e34cc"
+  integrity sha512-KlPPdikagvL6ELjWsljbyDIPzNCeliYkqRpI+zea99vBBbCIA5JNshZAwQKTON139c87y9qvTFVgkFd14rtS4g==
+
 "@types/debug@^4.1.5":
  version "4.1.5"
  resolved "https://registry.yarnpkg.com/@types/debug/-/debug-4.1.5.tgz#b14efa8852b7768d898906613c23f688713e02cd"
@@ -2261,6 +2266,11 @@
  dependencies:
    "@types/node" "*"

+"@types/sql-formatter@^2.3.0":
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/@types/sql-formatter/-/sql-formatter-2.3.0.tgz#d2584c54f865fd57a7fe7e88ee8ed3623b23da33"
+  integrity sha512-Xh9kEOaKWhm3vYD5lUjYFFiSfpN4y3/iQCJUAVwFaQ1rVvHs4WXTa5C8E7gyF3kxwsMS8KgttW7WBAPtFlsvAg==
+
 "@types/stack-utils@^1.0.1":
  version "1.0.1"
  resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-1.0.1.tgz#0a851d3bd96498fa25c33ab7278ed3bd65f06c3e"