From e2ce8aa907adbf627596a3a7b7c264ad94613083 Mon Sep 17 00:00:00 2001
From: Marta Bondyra <marta.bondyra@elastic.co>
Date: Mon, 7 Sep 2020 10:17:26 +0200
Subject: [PATCH] [Data] Query String Input accepts classname prop

---
 src/plugins/data/public/public.api.md                  |  2 +-
 .../ui/query_string_input/query_string_input.tsx       | 10 +++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/plugins/data/public/public.api.md b/src/plugins/data/public/public.api.md
index b7e7e81ae2cef..c2cc2fdc3c134 100644
--- a/src/plugins/data/public/public.api.md
+++ b/src/plugins/data/public/public.api.md
@@ -1465,7 +1465,7 @@ export interface QueryState {
 // Warning: (ae-missing-release-tag) "QueryStringInput" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
 //
 // @public (undocumented)
-export const QueryStringInput: React.FC<Pick<Props_3, "query" | "prepend" | "size" | "placeholder" | "onChange" | "onBlur" | "onSubmit" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition" | "onChangeQueryInputFocus">>;
+export const QueryStringInput: React.FC<Pick<Props_3, "query" | "prepend" | "size" | "className" | "placeholder" | "onChange" | "onBlur" | "onSubmit" | "indexPatterns" | "dataTestSubj" | "screenTitle" | "disableAutoFocus" | "persistedLog" | "bubbleSubmitEvent" | "languageSwitcherPopoverAnchorPosition" | "onChangeQueryInputFocus">>;
 
 // @public (undocumented)
 export type QuerySuggestion = QuerySuggestionBasic | QuerySuggestionField;
diff --git a/src/plugins/data/public/ui/query_string_input/query_string_input.tsx b/src/plugins/data/public/ui/query_string_input/query_string_input.tsx
index 2d311fd88eb39..0bfac2a07a7eb 100644
--- a/src/plugins/data/public/ui/query_string_input/query_string_input.tsx
+++ b/src/plugins/data/public/ui/query_string_input/query_string_input.tsx
@@ -19,7 +19,7 @@
 
 import React, { Component, RefObject, createRef } from 'react';
 import { i18n } from '@kbn/i18n';
-
+import classNames from 'classnames';
 import {
   EuiTextArea,
   EuiOutsideClickDetector,
@@ -62,6 +62,7 @@ interface Props {
   onSubmit?: (query: Query) => void;
   dataTestSubj?: string;
   size?: SuggestionsListSize;
+  className?: string;
 }
 
 interface State {
@@ -586,9 +587,12 @@ export class QueryStringInputUI extends Component<Props, State> {
       'aria-owns': 'kbnTypeahead__items',
     };
     const ariaCombobox = { ...isSuggestionsVisible, role: 'combobox' };
-
+    const className = classNames(
+      'euiFormControlLayout euiFormControlLayout--group kbnQueryBar__wrap',
+      this.props.className
+    );
     return (
-      <div className="euiFormControlLayout euiFormControlLayout--group kbnQueryBar__wrap">
+      <div className={className}>
         {this.props.prepend}
         <EuiOutsideClickDetector onOutsideClick={this.onOutsideClick}>
           <div