diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/__snapshots__/create_index_pattern_wizard.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__snapshots__/create_index_pattern_wizard.test.js.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/__snapshots__/create_index_pattern_wizard.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__snapshots__/create_index_pattern_wizard.test.js.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/__jest__/__snapshots__/empty_state.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/__snapshots__/empty_state.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/__jest__/__snapshots__/empty_state.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/__snapshots__/empty_state.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/__jest__/empty_state.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.test.tsx
similarity index 84%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/__jest__/empty_state.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.test.tsx
index 92b54a4000e46..5b1f9f546e250 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/__jest__/empty_state.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.test.tsx
@@ -24,9 +24,7 @@ import sinon from 'sinon';
 
 describe('EmptyState', () => {
   it('should render normally', () => {
-    const component = shallow(
-      <EmptyState loadingDataDocUrl="http://www.elastic.co" onRefresh={() => {}} />
-    );
+    const component = shallow(<EmptyState onRefresh={() => {}} />);
 
     expect(component).toMatchSnapshot();
   });
@@ -36,9 +34,7 @@ describe('EmptyState', () => {
       it('is called when refresh button is clicked', () => {
         const onRefreshHandler = sinon.stub();
 
-        const component = shallow(
-          <EmptyState loadingDataDocUrl="http://www.elastic.co" onRefresh={onRefreshHandler} />
-        );
+        const component = shallow(<EmptyState onRefresh={onRefreshHandler} />);
 
         component.find('[data-test-subj="refreshIndicesButton"]').simulate('click');
 
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.tsx
similarity index 94%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.tsx
index 1f81fb7361686..676f4d38f409b 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/empty_state.tsx
@@ -18,13 +18,12 @@
  */
 
 import React from 'react';
-import PropTypes from 'prop-types';
 
 import { EuiCallOut, EuiTextColor, EuiLink, EuiButton } from '@elastic/eui';
 
 import { FormattedMessage } from '@kbn/i18n/react';
 
-export const EmptyState = ({ onRefresh }) => (
+export const EmptyState = ({ onRefresh }: { onRefresh: () => void }) => (
   <div>
     <EuiCallOut
       color="warning"
@@ -82,7 +81,3 @@ export const EmptyState = ({ onRefresh }) => (
     </EuiCallOut>
   </div>
 );
-
-EmptyState.propTypes = {
-  onRefresh: PropTypes.func.isRequired,
-};
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/empty_state/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__jest__/__snapshots__/header.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__snapshots__/header.test.tsx.snap
similarity index 96%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__jest__/__snapshots__/header.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__snapshots__/header.test.tsx.snap
index a4998fc975372..a6b22ebf32a43 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__jest__/__snapshots__/header.test.js.snap
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__snapshots__/header.test.tsx.snap
@@ -64,7 +64,7 @@ exports[`Header should render normally 1`] = `
         id="kbn.management.createIndexPatternHeader"
         values={
           Object {
-            "indexPatternName": undefined,
+            "indexPatternName": "test index pattern",
           }
         }
       />
@@ -109,7 +109,7 @@ exports[`Header should render without including system indices 1`] = `
         id="kbn.management.createIndexPatternHeader"
         values={
           Object {
-            "indexPatternName": undefined,
+            "indexPatternName": "test index pattern",
           }
         }
       />
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__jest__/header.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.test.tsx
similarity index 79%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__jest__/header.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.test.tsx
index c7cb3d4631b94..06b8b38e2d8bc 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/__jest__/header.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.test.tsx
@@ -22,9 +22,14 @@ import { Header } from '../header';
 import { shallowWithI18nProvider } from 'test_utils/enzyme_helpers';
 
 describe('Header', () => {
+  const indexPatternName = 'test index pattern';
   it('should render normally', () => {
     const component = shallowWithI18nProvider(
-      <Header isIncludingSystemIndices={true} onChangeIncludingSystemIndices={() => {}} />
+      <Header
+        indexPatternName={indexPatternName}
+        isIncludingSystemIndices={true}
+        onChangeIncludingSystemIndices={() => {}}
+      />
     );
 
     expect(component).toMatchSnapshot();
@@ -32,7 +37,11 @@ describe('Header', () => {
 
   it('should render without including system indices', () => {
     const component = shallowWithI18nProvider(
-      <Header isIncludingSystemIndices={false} onChangeIncludingSystemIndices={() => {}} />
+      <Header
+        indexPatternName={indexPatternName}
+        isIncludingSystemIndices={false}
+        onChangeIncludingSystemIndices={() => {}}
+      />
     );
 
     expect(component).toMatchSnapshot();
@@ -44,7 +53,7 @@ describe('Header', () => {
         isIncludingSystemIndices={false}
         onChangeIncludingSystemIndices={() => {}}
         prompt={<div>Test prompt</div>}
-        indexPatternName="test index pattern"
+        indexPatternName={indexPatternName}
         isBeta={true}
       />
     );
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.tsx
similarity index 92%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.tsx
index 3352996368669..928c1ef2b6299 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/header.tsx
@@ -36,10 +36,17 @@ import { FormattedMessage } from '@kbn/i18n/react';
 export const Header = ({
   prompt,
   indexPatternName,
-  showSystemIndices,
+  showSystemIndices = false,
   isIncludingSystemIndices,
   onChangeIncludingSystemIndices,
-  isBeta,
+  isBeta = false,
+}: {
+  prompt?: React.ReactNode;
+  indexPatternName: string;
+  showSystemIndices?: boolean;
+  isIncludingSystemIndices: boolean;
+  onChangeIncludingSystemIndices: () => void;
+  isBeta?: boolean;
 }) => (
   <div>
     <EuiTitle>
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/header/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/__jest__/__snapshots__/loading_state.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/__snapshots__/loading_state.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/__jest__/__snapshots__/loading_state.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/__snapshots__/loading_state.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/__jest__/loading_state.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/loading_state.test.tsx
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/__jest__/loading_state.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/loading_state.test.tsx
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/loading_state.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/loading_state.tsx
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/loading_state.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/loading_state/loading_state.tsx
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/__jest__/__snapshots__/step_index_pattern.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/__snapshots__/step_index_pattern.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/__jest__/__snapshots__/step_index_pattern.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/__snapshots__/step_index_pattern.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/__jest__/__snapshots__/header.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/__snapshots__/header.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/__jest__/__snapshots__/header.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/__snapshots__/header.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/__jest__/header.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.test.tsx
similarity index 96%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/__jest__/header.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.test.tsx
index 534c46ab73ded..f56340d0009be 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/__jest__/header.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.test.tsx
@@ -27,7 +27,7 @@ describe('Header', () => {
       <Header
         isInputInvalid={false}
         errors={[]}
-        characterList={['%']}
+        characterList={'%'}
         query={'k'}
         onQueryChanged={() => {}}
         goToNextStep={() => {}}
@@ -43,7 +43,7 @@ describe('Header', () => {
       <Header
         isInputInvalid={true}
         errors={['Input is invalid']}
-        characterList={['%']}
+        characterList={'%'}
         query={'%'}
         onQueryChanged={() => {}}
         goToNextStep={() => {}}
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.tsx
similarity index 92%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.tsx
index 8fc039fc4b2cc..f9d86d5d9d53d 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/header.tsx
@@ -33,7 +33,17 @@ import {
 import { i18n } from '@kbn/i18n';
 import { FormattedMessage } from '@kbn/i18n/react';
 
-export const Header = ({
+interface HeaderProps {
+  isInputInvalid: boolean;
+  errors: any;
+  characterList: string;
+  query: string;
+  onQueryChanged: (e: React.ChangeEvent<HTMLInputElement>) => void;
+  goToNextStep: (query: string) => void;
+  isNextStepDisabled: boolean;
+}
+
+export const Header: React.FC<HeaderProps> = ({
   isInputInvalid,
   errors,
   characterList,
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/header/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__jest__/__snapshots__/indices_list.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__snapshots__/indices_list.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__jest__/__snapshots__/indices_list.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__snapshots__/indices_list.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__jest__/indices_list.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.test.tsx
similarity index 95%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__jest__/indices_list.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.test.tsx
index 00ae40c9d513b..d8a1d1a0ab72f 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/__jest__/indices_list.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.test.tsx
@@ -36,7 +36,7 @@ describe('IndicesList', () => {
   it('should change pages', () => {
     const component = shallow(<IndicesList indices={indices} query="" />);
 
-    const instance = component.instance();
+    const instance = component.instance() as IndicesList;
 
     component.setState({ perPage: 1 });
     instance.onChangePage(1);
@@ -48,7 +48,7 @@ describe('IndicesList', () => {
   it('should change per page', () => {
     const component = shallow(<IndicesList indices={indices} query="" />);
 
-    const instance = component.instance();
+    const instance = component.instance() as IndicesList;
     instance.onChangePerPage(1);
     component.update();
 
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.tsx
similarity index 87%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.tsx
index 6ac086842f246..921a5692d00aa 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/indices_list/indices_list.tsx
@@ -17,9 +17,7 @@
  * under the License.
  */
 
-import React, { Component } from 'react';
-import PropTypes from 'prop-types';
-import { PER_PAGE_INCREMENTS } from '../../../../constants';
+import React from 'react';
 
 import {
   EuiBadge,
@@ -37,17 +35,26 @@ import {
   EuiPopover,
 } from '@elastic/eui';
 
-import { Pager } from '@elastic/eui/lib/services';
+import { Pager } from '@elastic/eui';
 
 import { FormattedMessage } from '@kbn/i18n/react';
+import { PER_PAGE_INCREMENTS } from '../../../../constants';
+import { MatchedIndex, Tag } from '../../../../types';
 
-export class IndicesList extends Component {
-  static propTypes = {
-    indices: PropTypes.array.isRequired,
-    query: PropTypes.string.isRequired,
-  };
+interface IndicesListProps {
+  indices: MatchedIndex[];
+  query: string;
+}
+
+interface IndicesListState {
+  page: number;
+  perPage: number;
+  isPerPageControlOpen: boolean;
+}
 
-  constructor(props) {
+export class IndicesList extends React.Component<IndicesListProps, IndicesListState> {
+  pager: Pager;
+  constructor(props: IndicesListProps) {
     super(props);
 
     this.state = {
@@ -59,7 +66,7 @@ export class IndicesList extends Component {
     this.pager = new Pager(props.indices.length, this.state.perPage, this.state.page);
   }
 
-  UNSAFE_componentWillReceiveProps(nextProps) {
+  UNSAFE_componentWillReceiveProps(nextProps: IndicesListProps) {
     if (nextProps.indices.length !== this.props.indices.length) {
       this.pager.setTotalItems(nextProps.indices.length);
       this.resetPageTo0();
@@ -68,12 +75,12 @@ export class IndicesList extends Component {
 
   resetPageTo0 = () => this.onChangePage(0);
 
-  onChangePage = page => {
+  onChangePage = (page: number) => {
     this.pager.goToPageIndex(page);
     this.setState({ page });
   };
 
-  onChangePerPage = perPage => {
+  onChangePerPage = (perPage: number) => {
     this.pager.setItemsPerPage(perPage);
     this.setState({ perPage });
     this.resetPageTo0();
@@ -147,7 +154,7 @@ export class IndicesList extends Component {
     );
   }
 
-  highlightIndexName(indexName, query) {
+  highlightIndexName(indexName: string, query: string) {
     const queryIdx = indexName.indexOf(query);
     if (!query || queryIdx === -1) {
       return indexName;
@@ -178,7 +185,7 @@ export class IndicesList extends Component {
             {this.highlightIndexName(index.name, queryWithoutWildcard)}
           </EuiTableRowCell>
           <EuiTableRowCell>
-            {index.tags.map(tag => {
+            {index.tags.map((tag: Tag) => {
               return (
                 <EuiBadge key={`index_${key}_tag_${tag.key}`} color="primary">
                   {tag.name}
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/__jest__/__snapshots__/loading_indices.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/__snapshots__/loading_indices.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/__jest__/__snapshots__/loading_indices.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/__snapshots__/loading_indices.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/__jest__/loading_indices.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/loading_indices.test.tsx
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/__jest__/loading_indices.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/loading_indices.test.tsx
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/loading_indices.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/loading_indices.tsx
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/loading_indices.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/loading_indices/loading_indices.tsx
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/__jest__/__snapshots__/status_message.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/__snapshots__/status_message.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/__jest__/__snapshots__/status_message.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/__snapshots__/status_message.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/__jest__/status_message.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.test.tsx
similarity index 53%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/__jest__/status_message.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.test.tsx
index 301b230b71494..899c21d59c5bc 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/__jest__/status_message.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.test.tsx
@@ -21,15 +21,29 @@ import React from 'react';
 import { StatusMessage } from '../status_message';
 import { shallow } from 'enzyme';
 
+const tagsPartial = {
+  tags: [],
+};
+
 const matchedIndices = {
-  allIndices: [{ name: 'kibana' }, { name: 'es' }],
+  allIndices: [
+    { name: 'kibana', ...tagsPartial },
+    { name: 'es', ...tagsPartial },
+  ],
   exactMatchedIndices: [],
-  partialMatchedIndices: [{ name: 'kibana' }],
+  partialMatchedIndices: [{ name: 'kibana', ...tagsPartial }],
 };
 
 describe('StatusMessage', () => {
   it('should render without a query', () => {
-    const component = shallow(<StatusMessage matchedIndices={matchedIndices} query={''} />);
+    const component = shallow(
+      <StatusMessage
+        matchedIndices={matchedIndices}
+        query={''}
+        isIncludingSystemIndices={false}
+        showSystemIndices={false}
+      />
+    );
 
     expect(component).toMatchSnapshot();
   });
@@ -37,16 +51,30 @@ describe('StatusMessage', () => {
   it('should render with exact matches', () => {
     const localMatchedIndices = {
       ...matchedIndices,
-      exactMatchedIndices: [{ name: 'kibana' }],
+      exactMatchedIndices: [{ name: 'kibana', ...tagsPartial }],
     };
 
-    const component = shallow(<StatusMessage matchedIndices={localMatchedIndices} query={'k*'} />);
+    const component = shallow(
+      <StatusMessage
+        matchedIndices={localMatchedIndices}
+        query={'k*'}
+        isIncludingSystemIndices={false}
+        showSystemIndices={false}
+      />
+    );
 
     expect(component).toMatchSnapshot();
   });
 
   it('should render with partial matches', () => {
-    const component = shallow(<StatusMessage matchedIndices={matchedIndices} query={'k'} />);
+    const component = shallow(
+      <StatusMessage
+        matchedIndices={matchedIndices}
+        query={'k'}
+        isIncludingSystemIndices={false}
+        showSystemIndices={false}
+      />
+    );
 
     expect(component).toMatchSnapshot();
   });
@@ -57,14 +85,30 @@ describe('StatusMessage', () => {
       partialMatchedIndices: [],
     };
 
-    const component = shallow(<StatusMessage matchedIndices={localMatchedIndices} query={'k'} />);
+    const component = shallow(
+      <StatusMessage
+        matchedIndices={localMatchedIndices}
+        query={'k'}
+        isIncludingSystemIndices={false}
+        showSystemIndices={false}
+      />
+    );
 
     expect(component).toMatchSnapshot();
   });
 
   it('should show that system indices exist', () => {
     const component = shallow(
-      <StatusMessage matchedIndices={[]} isIncludingSystemIndices={false} query={''} />
+      <StatusMessage
+        matchedIndices={{
+          allIndices: [],
+          exactMatchedIndices: [],
+          partialMatchedIndices: [],
+        }}
+        isIncludingSystemIndices={false}
+        query={''}
+        showSystemIndices={false}
+      />
     );
 
     expect(component).toMatchSnapshot();
@@ -72,7 +116,16 @@ describe('StatusMessage', () => {
 
   it('should show that no indices exist', () => {
     const component = shallow(
-      <StatusMessage matchedIndices={[]} isIncludingSystemIndices={true} query={''} />
+      <StatusMessage
+        matchedIndices={{
+          allIndices: [],
+          exactMatchedIndices: [],
+          partialMatchedIndices: [],
+        }}
+        isIncludingSystemIndices={true}
+        query={''}
+        showSystemIndices={false}
+      />
     );
 
     expect(component).toMatchSnapshot();
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.tsx
similarity index 91%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.tsx
index f78bedf988cd7..ad7f58fa4e879 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/components/status_message/status_message.tsx
@@ -22,16 +22,28 @@ import React from 'react';
 import { EuiText, EuiTextColor, EuiIcon } from '@elastic/eui';
 
 import { FormattedMessage } from '@kbn/i18n/react';
+import { MatchedIndex } from '../../../../types';
 
-export const StatusMessage = ({
+interface StatusMessageProps {
+  matchedIndices: {
+    allIndices: MatchedIndex[];
+    exactMatchedIndices: MatchedIndex[];
+    partialMatchedIndices: MatchedIndex[];
+  };
+  isIncludingSystemIndices: boolean;
+  query: string;
+  showSystemIndices: boolean;
+}
+
+export const StatusMessage: React.FC<StatusMessageProps> = ({
   matchedIndices: { allIndices = [], exactMatchedIndices = [], partialMatchedIndices = [] },
   isIncludingSystemIndices,
   query,
-  showSystemIndicies,
+  showSystemIndices,
 }) => {
   let statusIcon;
   let statusMessage;
-  let statusColor;
+  let statusColor: 'default' | 'secondary' | undefined;
 
   const allIndicesLength = allIndices.length;
 
@@ -49,7 +61,7 @@ export const StatusMessage = ({
           />
         </span>
       );
-    } else if (!isIncludingSystemIndices && showSystemIndicies) {
+    } else if (!isIncludingSystemIndices && showSystemIndices) {
       statusMessage = (
         <span>
           <FormattedMessage
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/__jest__/step_index_pattern.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.test.tsx
similarity index 67%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/__jest__/step_index_pattern.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.test.tsx
index 85e610bbbf993..25bd36829b6d0 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/__jest__/step_index_pattern.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.test.tsx
@@ -20,28 +20,24 @@
 import React from 'react';
 import { StepIndexPattern } from '../step_index_pattern';
 import { shallowWithI18nProvider } from 'test_utils/enzyme_helpers';
-import { Header } from '../components/header';
-
-jest.mock('../../../lib/ensure_minimum_time', () => ({
-  ensureMinimumTime: async promises =>
+import { Header } from './components/header';
+import { IndexPatternCreationConfig } from '../../../../../../../../management/public';
+import { coreMock } from '../../../../../../../../../../core/public/mocks';
+import { dataPluginMock } from '../../../../../../../../../../plugins/data/public/mocks';
+import { SavedObjectsFindResponsePublic } from '../../../../../../../../../../core/public';
+
+jest.mock('../../lib/ensure_minimum_time', () => ({
+  ensureMinimumTime: async (promises: Array<Promise<any>>) =>
     Array.isArray(promises) ? await Promise.all(promises) : await promises,
 }));
-const mockIndexPatternCreationType = {
-  getIndexPatternType: () => 'default',
-  getIndexPatternName: () => 'name',
-  checkIndicesForErrors: () => false,
-  getShowSystemIndices: () => false,
-};
 
-jest.mock('ui/chrome', () => ({
-  getUiSettingsClient: () => ({
-    get: () => '',
-  }),
-  addBasePath: () => {},
-}));
+const mockIndexPatternCreationType = new IndexPatternCreationConfig({
+  type: 'default',
+  name: 'name',
+});
 
-jest.mock('../../../lib/get_indices', () => ({
-  getIndices: (service, indexPatternCreationType, query) => {
+jest.mock('../../lib/get_indices', () => ({
+  getIndices: ({}, {}, query: string) => {
     if (query.startsWith('e')) {
       return [{ name: 'es' }];
     }
@@ -50,22 +46,30 @@ jest.mock('../../../lib/get_indices', () => ({
   },
 }));
 
-const allIndices = [{ name: 'kibana' }, { name: 'es' }];
-const esService = {};
-const savedObjectsClient = {
-  find: () => ({ savedObjects: [] }),
-};
+const allIndices = [
+  { name: 'kibana', tags: [] },
+  { name: 'es', tags: [] },
+];
+
 const goToNextStep = () => {};
 
-const createComponent = props => {
+const savedObjectClient = coreMock.createStart().savedObjects.client;
+savedObjectClient.find = () =>
+  new Promise<SavedObjectsFindResponsePublic<any>>(() => ({ savedObjects: [] }));
+
+const uiSettings = coreMock.createSetup().uiSettings;
+uiSettings.get.mockReturnValue('');
+
+const createComponent = (props?: Record<string, any>) => {
   return shallowWithI18nProvider(
     <StepIndexPattern
       allIndices={allIndices}
       isIncludingSystemIndices={false}
-      esService={esService}
-      savedObjectsClient={savedObjectsClient}
+      esService={dataPluginMock.createStartContract().search.__LEGACY.esClient}
+      savedObjectsClient={savedObjectClient as any}
       goToNextStep={goToNextStep}
       indexPatternCreationType={mockIndexPatternCreationType}
+      uiSettings={uiSettings}
       {...props}
     />
   );
@@ -93,8 +97,8 @@ describe('StepIndexPattern', () => {
 
   it('renders errors when input is invalid', async () => {
     const component = createComponent();
-    const instance = component.instance();
-    instance.onQueryChanged({ target: { value: '?' } });
+    const instance = component.instance() as StepIndexPattern;
+    instance.onQueryChanged({ target: { value: '?' } } as React.ChangeEvent<HTMLInputElement>);
 
     // Ensure all promises resolve
     await new Promise(resolve => process.nextTick(resolve));
@@ -107,8 +111,8 @@ describe('StepIndexPattern', () => {
 
   it('renders matching indices when input is valid', async () => {
     const component = createComponent();
-    const instance = component.instance();
-    instance.onQueryChanged({ target: { value: 'k' } });
+    const instance = component.instance() as StepIndexPattern;
+    instance.onQueryChanged({ target: { value: 'k' } } as React.ChangeEvent<HTMLInputElement>);
 
     // Ensure all promises resolve
     await new Promise(resolve => process.nextTick(resolve));
@@ -122,8 +126,8 @@ describe('StepIndexPattern', () => {
 
   it('appends a wildcard automatically to queries', async () => {
     const component = createComponent();
-    const instance = component.instance();
-    instance.onQueryChanged({ target: { value: 'k' } });
+    const instance = component.instance() as StepIndexPattern;
+    instance.onQueryChanged({ target: { value: 'k' } } as React.ChangeEvent<HTMLInputElement>);
     expect(component.state('query')).toBe('k*');
   });
 
@@ -135,8 +139,8 @@ describe('StepIndexPattern', () => {
 
   it('ensures the response of the latest request is persisted', async () => {
     const component = createComponent();
-    const instance = component.instance();
-    instance.onQueryChanged({ target: { value: 'e' } });
+    const instance = component.instance() as StepIndexPattern;
+    instance.onQueryChanged({ target: { value: 'e' } } as React.ChangeEvent<HTMLInputElement>);
     instance.lastQuery = 'k';
     await new Promise(resolve => process.nextTick(resolve));
 
@@ -149,7 +153,7 @@ describe('StepIndexPattern', () => {
     // Ensure it works in the other code flow too (the other early return)
 
     // Provide `es` so we do not auto append * and enter our other code flow
-    instance.onQueryChanged({ target: { value: 'es' } });
+    instance.onQueryChanged({ target: { value: 'es' } } as React.ChangeEvent<HTMLInputElement>);
     instance.lastQuery = 'k';
     await new Promise(resolve => process.nextTick(resolve));
     expect(component.state('exactMatchedIndices')).toEqual([]);
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.tsx
similarity index 74%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.tsx
index e10f033ed8165..7cfc7c4dbc81c 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_index_pattern/step_index_pattern.tsx
@@ -18,8 +18,14 @@
  */
 
 import React, { Component } from 'react';
-import PropTypes from 'prop-types';
-import { indexPatterns } from '../../../../../../../../../../plugins/data/public';
+import { EuiPanel, EuiSpacer, EuiCallOut } from '@elastic/eui';
+import { i18n } from '@kbn/i18n';
+import { FormattedMessage } from '@kbn/i18n/react';
+import {
+  indexPatterns,
+  DataPublicPluginStart,
+} from '../../../../../../../../../../plugins/data/public';
+import { SavedObjectsClient, IUiSettingsClient } from '../../../../../../../../../../core/public';
 import { MAX_SEARCH_SIZE } from '../../constants';
 import {
   getIndices,
@@ -32,47 +38,53 @@ import { LoadingIndices } from './components/loading_indices';
 import { StatusMessage } from './components/status_message';
 import { IndicesList } from './components/indices_list';
 import { Header } from './components/header';
+import { IndexPatternCreationConfig } from '../../../../../../../../management/public';
+import { MatchedIndex } from '../../types';
+
+interface StepIndexPatternProps {
+  allIndices: MatchedIndex[];
+  isIncludingSystemIndices: boolean;
+  esService: DataPublicPluginStart['search']['__LEGACY']['esClient'];
+  savedObjectsClient: SavedObjectsClient;
+  indexPatternCreationType: IndexPatternCreationConfig;
+  goToNextStep: () => void;
+  initialQuery?: string;
+  uiSettings: IUiSettingsClient;
+}
 
-import { EuiPanel, EuiSpacer, EuiCallOut } from '@elastic/eui';
-
-import { i18n } from '@kbn/i18n';
-import { FormattedMessage } from '@kbn/i18n/react';
-import chrome from 'ui/chrome';
-
-const uiSettings = chrome.getUiSettingsClient();
-
-export class StepIndexPattern extends Component {
-  static propTypes = {
-    allIndices: PropTypes.array.isRequired,
-    isIncludingSystemIndices: PropTypes.bool.isRequired,
-    esService: PropTypes.object.isRequired,
-    savedObjectsClient: PropTypes.object.isRequired,
-    indexPatternCreationType: PropTypes.object.isRequired,
-    goToNextStep: PropTypes.func.isRequired,
-    initialQuery: PropTypes.string,
-  };
+interface StepIndexPatternState {
+  partialMatchedIndices: MatchedIndex[];
+  exactMatchedIndices: MatchedIndex[];
+  isLoadingIndices: boolean;
+  existingIndexPatterns: string[];
+  indexPatternExists: boolean;
+  query: string;
+  appendedWildcard: boolean;
+  showingIndexPatternQueryErrors: boolean;
+  indexPatternName: string;
+}
 
-  static defaultProps = {
-    initialQuery: uiSettings.get('indexPattern:placeholder'),
+export class StepIndexPattern extends Component<StepIndexPatternProps, StepIndexPatternState> {
+  state = {
+    partialMatchedIndices: [],
+    exactMatchedIndices: [],
+    isLoadingIndices: false,
+    existingIndexPatterns: [],
+    indexPatternExists: false,
+    query: '',
+    appendedWildcard: false,
+    showingIndexPatternQueryErrors: false,
+    indexPatternName: '',
   };
+  ILLEGAL_CHARACTERS = [...indexPatterns.ILLEGAL_CHARACTERS];
+  lastQuery: string | undefined;
 
-  constructor(props) {
+  constructor(props: StepIndexPatternProps) {
     super(props);
-    const { indexPatternCreationType } = this.props;
-    this.state = {
-      partialMatchedIndices: [],
-      exactMatchedIndices: [],
-      isLoadingIndices: false,
-      existingIndexPatterns: [],
-      indexPatternExists: false,
-      query: props.initialQuery,
-      appendedWildcard: false,
-      showingIndexPatternQueryErrors: false,
-      indexPatternName: indexPatternCreationType.getIndexPatternName(),
-    };
-
-    this.ILLEGAL_CHARACTERS = [...indexPatterns.ILLEGAL_CHARACTERS];
-    this.lastQuery = null;
+    const { indexPatternCreationType, initialQuery } = this.props;
+
+    this.state.query = initialQuery || props.uiSettings.get('indexPattern:placeholder');
+    this.state.indexPatternName = indexPatternCreationType.getIndexPatternName();
   }
 
   async UNSAFE_componentWillMount() {
@@ -89,17 +101,19 @@ export class StepIndexPattern extends Component {
       fields: ['title'],
       perPage: 10000,
     });
+
     const existingIndexPatterns = savedObjects.map(obj =>
       obj && obj.attributes ? obj.attributes.title : ''
-    );
+    ) as string[];
+
     this.setState({ existingIndexPatterns });
   };
 
-  fetchIndices = async query => {
+  fetchIndices = async (query: string) => {
     const { esService, indexPatternCreationType } = this.props;
     const { existingIndexPatterns } = this.state;
 
-    if (existingIndexPatterns.includes(query)) {
+    if ((existingIndexPatterns as string[]).includes(query)) {
       this.setState({ indexPatternExists: true });
       return;
     }
@@ -135,7 +149,7 @@ export class StepIndexPattern extends Component {
     });
   };
 
-  onQueryChanged = e => {
+  onQueryChanged = (e: React.ChangeEvent<HTMLInputElement>) => {
     const { appendedWildcard } = this.state;
     const { target } = e;
 
@@ -166,9 +180,13 @@ export class StepIndexPattern extends Component {
     return <LoadingIndices data-test-subj="createIndexPatternStep1Loading" />;
   }
 
-  renderStatusMessage(matchedIndices) {
-    const { indexPatternCreationType } = this.props;
-    const { query, isLoadingIndices, indexPatternExists, isIncludingSystemIndices } = this.state;
+  renderStatusMessage(matchedIndices: {
+    allIndices: MatchedIndex[];
+    exactMatchedIndices: MatchedIndex[];
+    partialMatchedIndices: MatchedIndex[];
+  }) {
+    const { indexPatternCreationType, isIncludingSystemIndices } = this.props;
+    const { query, isLoadingIndices, indexPatternExists } = this.state;
 
     if (isLoadingIndices || indexPatternExists) {
       return null;
@@ -184,7 +202,13 @@ export class StepIndexPattern extends Component {
     );
   }
 
-  renderList({ visibleIndices, allIndices }) {
+  renderList({
+    visibleIndices,
+    allIndices,
+  }: {
+    visibleIndices: MatchedIndex[];
+    allIndices: MatchedIndex[];
+  }) {
     const { query, isLoadingIndices, indexPatternExists } = this.state;
 
     if (isLoadingIndices || indexPatternExists) {
@@ -192,7 +216,6 @@ export class StepIndexPattern extends Component {
     }
 
     const indicesToList = query.length ? visibleIndices : allIndices;
-
     return (
       <IndicesList
         data-test-subj="createIndexPatternStep1IndicesList"
@@ -224,7 +247,7 @@ export class StepIndexPattern extends Component {
     );
   }
 
-  renderHeader({ exactMatchedIndices: indices }) {
+  renderHeader({ exactMatchedIndices: indices }: { exactMatchedIndices: MatchedIndex[] }) {
     const { goToNextStep, indexPatternCreationType } = this.props;
     const {
       query,
@@ -238,6 +261,7 @@ export class StepIndexPattern extends Component {
     const characterList = this.ILLEGAL_CHARACTERS.slice(0, this.ILLEGAL_CHARACTERS.length - 1).join(
       ', '
     );
+
     const checkIndices = indexPatternCreationType.checkIndicesForErrors(indices);
 
     if (!query || !query.length || query === '.' || query === '..') {
@@ -256,7 +280,7 @@ export class StepIndexPattern extends Component {
       errors.push(errorMessage);
       containsErrors = true;
     } else if (checkIndices) {
-      errors.push(...checkIndices);
+      errors.push(...(checkIndices as string[]));
       containsErrors = true;
     }
 
@@ -292,7 +316,7 @@ export class StepIndexPattern extends Component {
       <EuiPanel paddingSize="l">
         {this.renderHeader(matchedIndices)}
         <EuiSpacer size="s" />
-        {this.renderLoadingState(matchedIndices)}
+        {this.renderLoadingState()}
         {this.renderIndexPatternExists()}
         {this.renderStatusMessage(matchedIndices)}
         <EuiSpacer size="s" />
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__jest__/__snapshots__/step_time_field.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__snapshots__/step_time_field.test.tsx.snap
similarity index 92%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__jest__/__snapshots__/step_time_field.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__snapshots__/step_time_field.test.tsx.snap
index 04a8a5070b21f..8ca307b3fc2a8 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__jest__/__snapshots__/step_time_field.test.js.snap
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__snapshots__/step_time_field.test.tsx.snap
@@ -32,14 +32,7 @@ exports[`StepTimeField should render "Custom index pattern ID already exists" wh
     isLoading={false}
     isVisible={false}
     onTimeFieldChanged={[Function]}
-    timeFieldOptions={
-      Array [
-        Object {
-          "text": "",
-          "value": "",
-        },
-      ]
-    }
+    timeFieldOptions={Array []}
   />
   <EuiSpacer
     size="s"
@@ -180,14 +173,7 @@ exports[`StepTimeField should render advanced options 1`] = `
     isLoading={false}
     isVisible={false}
     onTimeFieldChanged={[Function]}
-    timeFieldOptions={
-      Array [
-        Object {
-          "text": "",
-          "value": "",
-        },
-      ]
-    }
+    timeFieldOptions={Array []}
   />
   <EuiSpacer
     size="s"
@@ -225,14 +211,7 @@ exports[`StepTimeField should render advanced options with an index pattern id 1
     isLoading={false}
     isVisible={false}
     onTimeFieldChanged={[Function]}
-    timeFieldOptions={
-      Array [
-        Object {
-          "text": "",
-          "value": "",
-        },
-      ]
-    }
+    timeFieldOptions={Array []}
   />
   <EuiSpacer
     size="s"
@@ -270,14 +249,7 @@ exports[`StepTimeField should render any error message 1`] = `
     isLoading={false}
     isVisible={false}
     onTimeFieldChanged={[Function]}
-    timeFieldOptions={
-      Array [
-        Object {
-          "text": "",
-          "value": "",
-        },
-      ]
-    }
+    timeFieldOptions={Array []}
   />
   <EuiSpacer
     size="s"
@@ -333,14 +305,7 @@ exports[`StepTimeField should render normally 1`] = `
     isLoading={false}
     isVisible={false}
     onTimeFieldChanged={[Function]}
-    timeFieldOptions={
-      Array [
-        Object {
-          "text": "",
-          "value": "",
-        },
-      ]
-    }
+    timeFieldOptions={Array []}
   />
   <EuiSpacer
     size="s"
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/action_buttons.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/action_buttons.tsx
similarity index 89%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/action_buttons.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/action_buttons.tsx
index 23fbe0642fc2c..342876712eb28 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/action_buttons.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/action_buttons.tsx
@@ -23,7 +23,15 @@ import { EuiFlexGroup, EuiFlexItem, EuiButton, EuiButtonEmpty } from '@elastic/e
 
 import { FormattedMessage } from '@kbn/i18n/react';
 
-export const ActionButtons = ({ goToPreviousStep, submittable, createIndexPattern }) => (
+export const ActionButtons = ({
+  goToPreviousStep,
+  submittable,
+  createIndexPattern,
+}: {
+  goToPreviousStep: () => void;
+  submittable: boolean;
+  createIndexPattern: () => void;
+}) => (
   <EuiFlexGroup justifyContent="flexEnd">
     <EuiFlexItem grow={false}>
       <EuiButtonEmpty iconType="arrowLeft" onClick={goToPreviousStep}>
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/action_buttons/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__jest__/__snapshots__/advanced_options.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__jest__/__snapshots__/advanced_options.test.js.snap
deleted file mode 100644
index 9dbc052d143f3..0000000000000
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__jest__/__snapshots__/advanced_options.test.js.snap
+++ /dev/null
@@ -1,37 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`AdvancedOptions should hide if not showing 1`] = `
-<div>
-  <EuiButtonEmpty
-    iconType="arrowRight"
-    onClick={[Function]}
-  >
-    <FormattedMessage
-      defaultMessage="Show advanced options"
-      id="kbn.management.createIndexPattern.stepTime.options.showButton"
-      values={Object {}}
-    />
-  </EuiButtonEmpty>
-  <EuiSpacer
-    size="xs"
-  />
-</div>
-`;
-
-exports[`AdvancedOptions should render normally 1`] = `
-<div>
-  <EuiButtonEmpty
-    iconType="arrowRight"
-    onClick={[Function]}
-  >
-    <FormattedMessage
-      defaultMessage="Show advanced options"
-      id="kbn.management.createIndexPattern.stepTime.options.showButton"
-      values={Object {}}
-    />
-  </EuiButtonEmpty>
-  <EuiSpacer
-    size="xs"
-  />
-</div>
-`;
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__snapshots__/advanced_options.test.tsx.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__snapshots__/advanced_options.test.tsx.snap
new file mode 100644
index 0000000000000..02ceed3454a00
--- /dev/null
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__snapshots__/advanced_options.test.tsx.snap
@@ -0,0 +1,69 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AdvancedOptions should hide if not showing 1`] = `
+<div>
+  <EuiButtonEmpty
+    iconType="arrowRight"
+    onClick={[Function]}
+  >
+    <FormattedMessage
+      defaultMessage="Show advanced options"
+      id="kbn.management.createIndexPattern.stepTime.options.showButton"
+      values={Object {}}
+    />
+  </EuiButtonEmpty>
+  <EuiSpacer
+    size="xs"
+  />
+</div>
+`;
+
+exports[`AdvancedOptions should render normally 1`] = `
+<div>
+  <EuiButtonEmpty
+    iconType="arrowDown"
+    onClick={[Function]}
+  >
+    <FormattedMessage
+      defaultMessage="Hide advanced options"
+      id="kbn.management.createIndexPattern.stepTime.options.hideButton"
+      values={Object {}}
+    />
+  </EuiButtonEmpty>
+  <EuiSpacer
+    size="xs"
+  />
+  <EuiForm>
+    <EuiFormRow
+      describedByIds={Array []}
+      display="row"
+      fullWidth={false}
+      hasChildLabel={true}
+      hasEmptyLabelSpace={false}
+      helpText={
+        <FormattedMessage
+          defaultMessage="Kibana will provide a unique identifier for each index pattern. If you do not want to use this unique ID, enter a custom one."
+          id="kbn.management.createIndexPattern.stepTime.options.patternLabel"
+          values={Object {}}
+        />
+      }
+      label={
+        <FormattedMessage
+          defaultMessage="Custom index pattern ID"
+          id="kbn.management.createIndexPattern.stepTime.options.patternHeader"
+          values={Object {}}
+        />
+      }
+      labelType="label"
+    >
+      <EuiFieldText
+        data-test-subj="createIndexPatternIdInput"
+        name="indexPatternId"
+        onChange={[Function]}
+        placeholder="custom-index-pattern-id"
+        value="foobar"
+      />
+    </EuiFormRow>
+  </EuiForm>
+</div>
+`;
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__jest__/advanced_options.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.test.tsx
similarity index 95%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__jest__/advanced_options.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.test.tsx
index 6dde1a597fc2d..ffb3779d47c89 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/__jest__/advanced_options.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.test.tsx
@@ -25,7 +25,7 @@ describe('AdvancedOptions', () => {
   it('should render normally', () => {
     const component = shallowWithI18nProvider(
       <AdvancedOptions
-        showingAdvancedOptions={true}
+        isVisible={true}
         indexPatternId={'foobar'}
         toggleAdvancedOptions={() => {}}
         onChangeIndexPatternId={() => {}}
@@ -38,7 +38,7 @@ describe('AdvancedOptions', () => {
   it('should hide if not showing', () => {
     const component = shallowWithI18nProvider(
       <AdvancedOptions
-        showingAdvancedOptions={false}
+        isVisible={false}
         indexPatternId={'foobar'}
         toggleAdvancedOptions={() => {}}
         onChangeIndexPatternId={() => {}}
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.tsx
similarity index 90%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.tsx
index 9082df6affa09..fd2c1db1eacd7 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/advanced_options.tsx
@@ -24,7 +24,14 @@ import { EuiForm, EuiFormRow, EuiFieldText, EuiButtonEmpty, EuiSpacer } from '@e
 import { i18n } from '@kbn/i18n';
 import { FormattedMessage } from '@kbn/i18n/react';
 
-export const AdvancedOptions = ({
+interface AdvancedOptionsProps {
+  isVisible: boolean;
+  indexPatternId: string;
+  toggleAdvancedOptions: (e: React.FormEvent<HTMLButtonElement>) => void;
+  onChangeIndexPatternId: (e: React.ChangeEvent<HTMLInputElement>) => void;
+}
+
+export const AdvancedOptions: React.FC<AdvancedOptionsProps> = ({
   isVisible,
   indexPatternId,
   toggleAdvancedOptions,
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/advanced_options/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__jest__/__snapshots__/header.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__snapshots__/header.test.tsx.snap
similarity index 94%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__jest__/__snapshots__/header.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__snapshots__/header.test.tsx.snap
index dabe9577596a0..5c53558286b0d 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__jest__/__snapshots__/header.test.js.snap
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__snapshots__/header.test.tsx.snap
@@ -27,7 +27,7 @@ exports[`Header should render normally 1`] = `
           "indexPattern": <strong>
             ki*
           </strong>,
-          "indexPatternName": undefined,
+          "indexPatternName": "ki*",
         }
       }
     />
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__jest__/header.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.test.tsx
similarity index 92%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__jest__/header.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.test.tsx
index 29c4b849070b8..8a37eefc82ce2 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/__jest__/header.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.test.tsx
@@ -23,7 +23,7 @@ import { shallow } from 'enzyme';
 
 describe('Header', () => {
   it('should render normally', () => {
-    const component = shallow(<Header indexPattern="ki*" />);
+    const component = shallow(<Header indexPattern="ki*" indexPatternName="ki*" />);
 
     expect(component).toMatchSnapshot();
   });
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.tsx
similarity index 90%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.tsx
index 63718e411f712..5c2f184e8038b 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/header.tsx
@@ -23,7 +23,12 @@ import { EuiTitle, EuiSpacer, EuiText } from '@elastic/eui';
 
 import { FormattedMessage } from '@kbn/i18n/react';
 
-export const Header = ({ indexPattern, indexPatternName }) => (
+interface HeaderProps {
+  indexPattern: string;
+  indexPatternName: string;
+}
+
+export const Header: React.FC<HeaderProps> = ({ indexPattern, indexPatternName }) => (
   <div>
     <EuiTitle size="s">
       <h2>
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/header/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/__jest__/__snapshots__/time_field.test.js.snap b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/__snapshots__/time_field.test.tsx.snap
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/__jest__/__snapshots__/time_field.test.js.snap
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/__snapshots__/time_field.test.tsx.snap
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/__jest__/time_field.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.test.tsx
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/__jest__/time_field.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.test.tsx
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.tsx
similarity index 92%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.tsx
index 595552568b461..876a3b79a8812 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/components/time_field/time_field.tsx
@@ -35,7 +35,16 @@ import {
 import { i18n } from '@kbn/i18n';
 import { FormattedMessage } from '@kbn/i18n/react';
 
-export const TimeField = ({
+interface TimeFieldProps {
+  isVisible: boolean;
+  fetchTimeFields: () => void;
+  timeFieldOptions: Array<{ text: string; value?: string }>;
+  isLoading: boolean;
+  selectedTimeField?: string;
+  onTimeFieldChanged: (e: React.ChangeEvent<HTMLSelectElement>) => void;
+}
+
+export const TimeField: React.FC<TimeFieldProps> = ({
   isVisible,
   fetchTimeFields,
   timeFieldOptions,
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/index.ts
similarity index 100%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/index.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/index.ts
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__jest__/step_time_field.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.test.tsx
similarity index 83%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__jest__/step_time_field.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.test.tsx
index 1f9d80440f6cb..f37dc088ac78e 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/__jest__/step_time_field.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.test.tsx
@@ -19,34 +19,30 @@
 
 import React from 'react';
 import { shallowWithI18nProvider } from 'test_utils/enzyme_helpers';
+import { IndexPatternCreationConfig } from '../../../../../../../../management/public';
+import { IFieldType } from '../../../../../../../../../../plugins/data/public';
+import { dataPluginMock } from '../../../../../../../../../../plugins/data/public/mocks';
 
 import { StepTimeField } from '../step_time_field';
 
-jest.mock('../components/header', () => ({ Header: 'Header' }));
-jest.mock('../components/time_field', () => ({ TimeField: 'TimeField' }));
-jest.mock('../components/advanced_options', () => ({ AdvancedOptions: 'AdvancedOptions' }));
-jest.mock('../components/action_buttons', () => ({ ActionButtons: 'ActionButtons' }));
-jest.mock('../../../lib/extract_time_fields', () => ({
-  extractTimeFields: fields => fields,
+jest.mock('./components/header', () => ({ Header: 'Header' }));
+jest.mock('./components/time_field', () => ({ TimeField: 'TimeField' }));
+jest.mock('./components/advanced_options', () => ({ AdvancedOptions: 'AdvancedOptions' }));
+jest.mock('./components/action_buttons', () => ({ ActionButtons: 'ActionButtons' }));
+jest.mock('./../../lib/extract_time_fields', () => ({
+  extractTimeFields: (fields: IFieldType) => fields,
 }));
 jest.mock('ui/chrome', () => ({
   addBasePath: () => {},
 }));
 
-const mockIndexPatternCreationType = {
-  getIndexPatternType: () => 'default',
-  getIndexPatternName: () => 'name',
-  getFetchForWildcardOptions: () => {},
-};
+const mockIndexPatternCreationType = new IndexPatternCreationConfig({
+  type: 'default',
+  name: 'name',
+});
+
 const noop = () => {};
-const indexPatternsService = {
-  make: async () => ({
-    fieldsFetcher: {
-      fetch: noop,
-      fetchForWildcard: noop,
-    },
-  }),
-};
+const indexPatternsService = dataPluginMock.createStartContract().indexPatterns;
 
 describe('StepTimeField', () => {
   it('should render normally', () => {
@@ -127,12 +123,16 @@ describe('StepTimeField', () => {
 
     // If the value is undefined, that means the user selected the
     // `I don't want to use a Time filter` option
-    component.instance().onTimeFieldChanged({ target: { value: undefined } });
+    (component.instance() as StepTimeField).onTimeFieldChanged(({
+      target: { value: undefined },
+    } as unknown) as React.ChangeEvent<HTMLSelectElement>);
     expect(component.state('timeFieldSet')).toBe(true);
 
     // If the value is an empty string, that means the user selected
     // an invalid selection (like the empty selection or the `-----`)
-    component.instance().onTimeFieldChanged({ target: { value: '' } });
+    (component.instance() as StepTimeField).onTimeFieldChanged(({
+      target: { value: '' },
+    } as unknown) as React.ChangeEvent<HTMLSelectElement>);
     expect(component.state('timeFieldSet')).toBe(false);
   });
 
@@ -154,7 +154,9 @@ describe('StepTimeField', () => {
       ],
     });
 
-    component.instance().onTimeFieldChanged({ target: { value: '' } });
+    (component.instance() as StepTimeField).onTimeFieldChanged(({
+      target: { value: '' },
+    } as unknown) as React.ChangeEvent<HTMLSelectElement>);
     component.update();
 
     expect(component.find('ActionButtons')).toMatchSnapshot();
@@ -178,7 +180,9 @@ describe('StepTimeField', () => {
       ],
     });
 
-    component.instance().onTimeFieldChanged({ target: { value: undefined } });
+    (component.instance() as StepTimeField).onTimeFieldChanged(({
+      target: { value: undefined },
+    } as unknown) as React.ChangeEvent<HTMLSelectElement>);
     component.update();
 
     expect(component.find('ActionButtons')).toMatchSnapshot();
@@ -281,7 +285,7 @@ describe('StepTimeField', () => {
       />
     );
 
-    await component.instance().createIndexPattern();
+    await (component.instance() as StepTimeField).createIndexPattern();
     component.update();
 
     expect(component.instance().state).toMatchObject({
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.tsx
similarity index 71%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.tsx
index d69717eead231..dff2a07e460e2 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/components/step_time_field/step_time_field.tsx
@@ -18,14 +18,6 @@
  */
 
 import React, { Component } from 'react';
-import PropTypes from 'prop-types';
-import { ensureMinimumTime, extractTimeFields } from '../../lib';
-
-import { Header } from './components/header';
-import { TimeField } from './components/time_field';
-import { AdvancedOptions } from './components/advanced_options';
-import { ActionButtons } from './components/action_buttons';
-
 import {
   EuiCallOut,
   EuiFlexGroup,
@@ -35,33 +27,61 @@ import {
   EuiSpacer,
   EuiLoadingSpinner,
 } from '@elastic/eui';
-
 import { FormattedMessage } from '@kbn/i18n/react';
+import { ensureMinimumTime, extractTimeFields } from '../../lib';
+
+import { Header } from './components/header';
+import { TimeField } from './components/time_field';
+import { AdvancedOptions } from './components/advanced_options';
+import { ActionButtons } from './components/action_buttons';
+import { IndexPatternCreationConfig } from '../../../../../../../../management/public';
+import { DataPublicPluginStart } from '../../../../../../../../../../plugins/data/public';
 
-export class StepTimeField extends Component {
-  static propTypes = {
-    indexPattern: PropTypes.string.isRequired,
-    indexPatternsService: PropTypes.object.isRequired,
-    goToPreviousStep: PropTypes.func.isRequired,
-    createIndexPattern: PropTypes.func.isRequired,
-    indexPatternCreationType: PropTypes.object.isRequired,
+interface StepTimeFieldProps {
+  indexPattern: string;
+  indexPatternsService: DataPublicPluginStart['indexPatterns'];
+  goToPreviousStep: () => void;
+  createIndexPattern: (selectedTimeField: string, indexPatternId: string) => void;
+  indexPatternCreationType: IndexPatternCreationConfig;
+}
+
+interface StepTimeFieldState {
+  error: string;
+  timeFields: TimeFieldConfig[];
+  selectedTimeField?: string;
+  timeFieldSet: boolean;
+  isAdvancedOptionsVisible: boolean;
+  isFetchingTimeFields: boolean;
+  isCreating: boolean;
+  indexPatternId: string;
+  indexPatternType: string;
+  indexPatternName: string;
+}
+
+interface TimeFieldConfig {
+  display: string;
+  fieldName?: string;
+  isDisabled?: boolean;
+}
+
+export class StepTimeField extends Component<StepTimeFieldProps, StepTimeFieldState> {
+  state = {
+    error: '',
+    timeFields: [],
+    selectedTimeField: undefined,
+    timeFieldSet: false,
+    isAdvancedOptionsVisible: false,
+    isFetchingTimeFields: false,
+    isCreating: false,
+    indexPatternId: '',
+    indexPatternType: '',
+    indexPatternName: '',
   };
 
-  constructor(props) {
+  constructor(props: StepTimeFieldProps) {
     super(props);
-
-    this.state = {
-      error: '',
-      timeFields: [],
-      selectedTimeField: undefined,
-      timeFieldSet: false,
-      isAdvancedOptionsVisible: false,
-      isFetchingTimeFields: false,
-      isCreating: false,
-      indexPatternId: '',
-      indexPatternType: props.indexPatternCreationType.getIndexPatternType(),
-      indexPatternName: props.indexPatternCreationType.getIndexPatternName(),
-    };
+    this.state.indexPatternType = props.indexPatternCreationType.getIndexPatternType() || '';
+    this.state.indexPatternName = props.indexPatternCreationType.getIndexPatternName();
   }
 
   mounted = false;
@@ -91,22 +111,24 @@ export class StepTimeField extends Component {
     this.setState({ timeFields, isFetchingTimeFields: false });
   };
 
-  onTimeFieldChanged = e => {
+  onTimeFieldChanged = (e: React.ChangeEvent<HTMLSelectElement>) => {
     const value = e.target.value;
 
     // Find the time field based on the selected value
-    const timeField = this.state.timeFields.find(timeField => timeField.fieldName === value);
+    const timeField = this.state.timeFields.find(
+      (timeFld: TimeFieldConfig) => timeFld.fieldName === value
+    );
 
     // If the value is an empty string, it's not a valid selection
     const validSelection = value !== '';
 
     this.setState({
-      selectedTimeField: timeField ? timeField.fieldName : undefined,
+      selectedTimeField: timeField ? (timeField as TimeFieldConfig).fieldName : undefined,
       timeFieldSet: validSelection,
     });
   };
 
-  onChangeIndexPatternId = e => {
+  onChangeIndexPatternId = (e: React.ChangeEvent<HTMLInputElement>) => {
     this.setState({ indexPatternId: e.target.value });
   };
 
@@ -121,7 +143,7 @@ export class StepTimeField extends Component {
     const { selectedTimeField, indexPatternId } = this.state;
     this.setState({ isCreating: true });
     try {
-      await createIndexPattern(selectedTimeField, indexPatternId);
+      await createIndexPattern(selectedTimeField || '', indexPatternId);
     } catch (error) {
       if (!this.mounted) return;
       this.setState({
@@ -131,7 +153,7 @@ export class StepTimeField extends Component {
     }
   };
 
-  formatErrorMessage(message) {
+  formatErrorMessage(message: string) {
     // `createIndexPattern` throws "Conflict" when index pattern ID already exists.
     return message === 'Conflict' ? (
       <FormattedMessage
@@ -177,16 +199,17 @@ export class StepTimeField extends Component {
 
     const { indexPattern, goToPreviousStep } = this.props;
 
-    const timeFieldOptions = timeFields
-      ? [
-          { text: '', value: '' },
-          ...timeFields.map(timeField => ({
-            text: timeField.display,
-            value: timeField.fieldName,
-            disabled: timeFields.isDisabled,
-          })),
-        ]
-      : [];
+    const timeFieldOptions =
+      timeFields.length > 0
+        ? [
+            { text: '', value: '' },
+            ...timeFields.map((timeField: TimeFieldConfig) => ({
+              text: timeField.display,
+              value: timeField.fieldName,
+              disabled: ((timeFields as unknown) as TimeFieldConfig).isDisabled,
+            })),
+          ]
+        : [];
 
     const showTimeField = !timeFields || timeFields.length > 1;
     const submittable = !showTimeField || timeFieldSet;
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/create_index_pattern_wizard.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/create_index_pattern_wizard.js
index b5c6000eb2fe1..1a93188edd6cc 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/create_index_pattern_wizard.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/create_index_pattern_wizard.js
@@ -224,6 +224,7 @@ export class CreateIndexPatternWizard extends Component {
           savedObjectsClient={services.savedObjectsClient}
           indexPatternCreationType={this.indexPatternCreationType}
           goToNextStep={this.goToTimeFieldStep}
+          uiSettings={services.uiSettings}
         />
       );
     }
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/create_index_pattern_wizard.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/create_index_pattern_wizard.test.js
similarity index 91%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/create_index_pattern_wizard.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/create_index_pattern_wizard.test.js
index bcf28725c91da..941f87d4d9fd2 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/create_index_pattern_wizard.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/create_index_pattern_wizard.test.js
@@ -20,7 +20,7 @@
 import React from 'react';
 import { shallow } from 'enzyme';
 
-import { CreateIndexPatternWizard } from '../create_index_pattern_wizard';
+import { CreateIndexPatternWizard } from './create_index_pattern_wizard';
 const mockIndexPatternCreationType = {
   getIndexPatternType: () => 'default',
   getIndexPatternName: () => 'name',
@@ -32,12 +32,12 @@ const mockIndexPatternCreationType = {
     return {};
   },
 };
-jest.mock('../components/step_index_pattern', () => ({ StepIndexPattern: 'StepIndexPattern' }));
-jest.mock('../components/step_time_field', () => ({ StepTimeField: 'StepTimeField' }));
-jest.mock('../components/header', () => ({ Header: 'Header' }));
-jest.mock('../components/loading_state', () => ({ LoadingState: 'LoadingState' }));
-jest.mock('../components/empty_state', () => ({ EmptyState: 'EmptyState' }));
-jest.mock('../lib/get_indices', () => ({
+jest.mock('./components/step_index_pattern', () => ({ StepIndexPattern: 'StepIndexPattern' }));
+jest.mock('./components/step_time_field', () => ({ StepTimeField: 'StepTimeField' }));
+jest.mock('./components/header', () => ({ Header: 'Header' }));
+jest.mock('./components/loading_state', () => ({ LoadingState: 'LoadingState' }));
+jest.mock('./components/empty_state', () => ({ EmptyState: 'EmptyState' }));
+jest.mock('./lib/get_indices', () => ({
   getIndices: () => {
     return [{ name: 'kibana' }];
   },
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/index.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/index.js
index d06bc8784de51..50c5a58d35db3 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/index.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/index.js
@@ -47,6 +47,7 @@ uiRoutes.when('/management/kibana/index_pattern', {
           $scope.$evalAsync(() => kbnUrl.changePath(url));
         },
         openConfirm: npStart.core.overlays.openConfirm,
+        uiSettings: npStart.core.uiSettings,
       };
 
       const initialQuery = $routeParams.id ? decodeURIComponent($routeParams.id) : undefined;
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/lib/get_matched_indices.test.ts b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/lib/get_matched_indices.test.ts
index 7aba50a7ca12b..65840aa64046d 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/lib/get_matched_indices.test.ts
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/lib/get_matched_indices.test.ts
@@ -18,12 +18,13 @@
  */
 
 import { getMatchedIndices } from './get_matched_indices';
+import { Tag } from '../types';
 
 jest.mock('./../constants', () => ({
   MAX_NUMBER_OF_MATCHING_INDICES: 6,
 }));
 
-const tags: string[] = [];
+const tags: Tag[] = [];
 const indices = [
   { name: 'kibana', tags },
   { name: 'es', tags },
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/render.test.js b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/render.test.js
similarity index 98%
rename from src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/render.test.js
rename to src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/render.test.js
index 375e80028f317..af580547b11ed 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/__jest__/render.test.js
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/render.test.js
@@ -33,7 +33,7 @@ jest.mock('ui/i18n', () => ({
   I18nContext: () => {},
 }));
 
-const { renderCreateIndexPatternWizard, destroyCreateIndexPatternWizard } = require('../render');
+const { renderCreateIndexPatternWizard, destroyCreateIndexPatternWizard } = require('./render');
 
 describe('CreateIndexPatternWizardRender', () => {
   beforeEach(() => {
diff --git a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/types.ts b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/types.ts
index 93bb6920c6981..634bbd856ea86 100644
--- a/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/types.ts
+++ b/src/legacy/core_plugins/kibana/public/management/sections/index_patterns/create_index_pattern_wizard/types.ts
@@ -19,5 +19,10 @@
 
 export interface MatchedIndex {
   name: string;
-  tags: string[];
+  tags: Tag[];
+}
+
+export interface Tag {
+  name: string;
+  key: string;
 }
diff --git a/src/legacy/core_plugins/management/public/np_ready/services/index_pattern_management/creation/config.ts b/src/legacy/core_plugins/management/public/np_ready/services/index_pattern_management/creation/config.ts
index b68b2e40aad9e..5714fa3338962 100644
--- a/src/legacy/core_plugins/management/public/np_ready/services/index_pattern_management/creation/config.ts
+++ b/src/legacy/core_plugins/management/public/np_ready/services/index_pattern_management/creation/config.ts
@@ -18,6 +18,7 @@
  */
 
 import { i18n } from '@kbn/i18n';
+import { MatchedIndex } from '../../../../../../kibana/public/management/sections/index_patterns/create_index_pattern_wizard/types';
 
 const indexPatternTypeName = i18n.translate(
   'management.editIndexPattern.createIndex.defaultTypeName',
@@ -106,7 +107,7 @@ export class IndexPatternCreationConfig {
     return [];
   }
 
-  public checkIndicesForErrors() {
+  public checkIndicesForErrors(indices: MatchedIndex[]) {
     return undefined;
   }
 
diff --git a/src/plugins/advanced_settings/public/management_app/components/field/field.tsx b/src/plugins/advanced_settings/public/management_app/components/field/field.tsx
index 5cf5ea99faa80..7158e3d5e7b3e 100644
--- a/src/plugins/advanced_settings/public/management_app/components/field/field.tsx
+++ b/src/plugins/advanced_settings/public/management_app/components/field/field.tsx
@@ -31,7 +31,6 @@ import {
   EuiCodeBlock,
   // @ts-ignore
   EuiCodeEditor,
-  // @ts-ignore
   EuiDescribedFormGroup,
   EuiFieldNumber,
   EuiFieldText,
diff --git a/src/plugins/advanced_settings/public/management_app/components/search/search.test.tsx b/src/plugins/advanced_settings/public/management_app/components/search/search.test.tsx
index 8e7bac5129ae9..0e3fbb3cf97fa 100644
--- a/src/plugins/advanced_settings/public/management_app/components/search/search.test.tsx
+++ b/src/plugins/advanced_settings/public/management_app/components/search/search.test.tsx
@@ -19,6 +19,7 @@
 
 import React from 'react';
 import { shallowWithI18nProvider, mountWithI18nProvider } from 'test_utils/enzyme_helpers';
+
 // @ts-ignore
 import { findTestSubject } from '@elastic/eui/lib/test';
 
diff --git a/src/plugins/data/public/index_patterns/index_patterns/index_pattern.ts b/src/plugins/data/public/index_patterns/index_patterns/index_pattern.ts
index 06d4a881447dc..768029136879d 100644
--- a/src/plugins/data/public/index_patterns/index_patterns/index_pattern.ts
+++ b/src/plugins/data/public/index_patterns/index_patterns/index_pattern.ts
@@ -64,7 +64,7 @@ export class IndexPattern implements IIndexPattern {
   private getConfig: any;
   private sourceFilters?: [];
   private originalBody: { [key: string]: any } = {};
-  private fieldsFetcher: any;
+  public fieldsFetcher: any; // probably want to factor out any direct usage and change to private
   private shortDotsEnable: boolean = false;
 
   private mapping: MappingObject = expandShorthand({
diff --git a/src/plugins/data/public/mocks.ts b/src/plugins/data/public/mocks.ts
index c723c34cd0a22..2d5cc72597ec4 100644
--- a/src/plugins/data/public/mocks.ts
+++ b/src/plugins/data/public/mocks.ts
@@ -97,7 +97,13 @@ const createStartContract = (): Start => {
         msearch: jest.fn(),
       },
     },
-    indexPatterns: {} as IndexPatternsContract,
+    indexPatterns: ({
+      make: () => ({
+        fieldsFetcher: {
+          fetchForWildcard: jest.fn(),
+        },
+      }),
+    } as unknown) as IndexPatternsContract,
   };
   return startContract;
 };
diff --git a/src/plugins/data/public/ui/query_string_input/__snapshots__/query_string_input.test.tsx.snap b/src/plugins/data/public/ui/query_string_input/__snapshots__/query_string_input.test.tsx.snap
index 990386687bade..06e56aaf3eb0a 100644
--- a/src/plugins/data/public/ui/query_string_input/__snapshots__/query_string_input.test.tsx.snap
+++ b/src/plugins/data/public/ui/query_string_input/__snapshots__/query_string_input.test.tsx.snap
@@ -189,7 +189,9 @@ exports[`QueryStringInput Should disable autoFocus on EuiFieldText when disableA
                 "register": [MockFunction],
               },
               "getSuggestions": [MockFunction],
-              "indexPatterns": Object {},
+              "indexPatterns": Object {
+                "make": [Function],
+              },
               "query": Object {
                 "filterManager": [MockFunction],
                 "savedQueries": [MockFunction],
@@ -842,7 +844,9 @@ exports[`QueryStringInput Should disable autoFocus on EuiFieldText when disableA
                         "register": [MockFunction],
                       },
                       "getSuggestions": [MockFunction],
-                      "indexPatterns": Object {},
+                      "indexPatterns": Object {
+                        "make": [Function],
+                      },
                       "query": Object {
                         "filterManager": [MockFunction],
                         "savedQueries": [MockFunction],
@@ -1477,7 +1481,9 @@ exports[`QueryStringInput Should pass the query language to the language switche
                 "register": [MockFunction],
               },
               "getSuggestions": [MockFunction],
-              "indexPatterns": Object {},
+              "indexPatterns": Object {
+                "make": [Function],
+              },
               "query": Object {
                 "filterManager": [MockFunction],
                 "savedQueries": [MockFunction],
@@ -2127,7 +2133,9 @@ exports[`QueryStringInput Should pass the query language to the language switche
                         "register": [MockFunction],
                       },
                       "getSuggestions": [MockFunction],
-                      "indexPatterns": Object {},
+                      "indexPatterns": Object {
+                        "make": [Function],
+                      },
                       "query": Object {
                         "filterManager": [MockFunction],
                         "savedQueries": [MockFunction],
@@ -2762,7 +2770,9 @@ exports[`QueryStringInput Should render the given query 1`] = `
                 "register": [MockFunction],
               },
               "getSuggestions": [MockFunction],
-              "indexPatterns": Object {},
+              "indexPatterns": Object {
+                "make": [Function],
+              },
               "query": Object {
                 "filterManager": [MockFunction],
                 "savedQueries": [MockFunction],
@@ -3412,7 +3422,9 @@ exports[`QueryStringInput Should render the given query 1`] = `
                         "register": [MockFunction],
                       },
                       "getSuggestions": [MockFunction],
-                      "indexPatterns": Object {},
+                      "indexPatterns": Object {
+                        "make": [Function],
+                      },
                       "query": Object {
                         "filterManager": [MockFunction],
                         "savedQueries": [MockFunction],