Minor wording change after review

public/pages/Indices/utils/helpers.ts

@@ -132,8 +132,8 @@ export async function getAlias(props: { aliasName?: string; commonService: Commo
 }
 
 export async function splitIndex(props: {
-  sourceIndex: String;
-  targetIndex: String;
+  sourceIndex: string;
+  targetIndex: string;
   settingsPayload: Required<IndexItem>["settings"];
   commonService: CommonService;
   coreServices: CoreStart;
@@ -188,17 +188,18 @@ export async function splitIndex(props: {
  **     For example, if the source index has 3 primary shards, then all the valid value are 3,6,12,24,…,768.
  */
 export function getSplitShardOptions(sourceShards: number) {
+  const MAX_SHARDS_NUMBER = 1024;
   const shardsSelectOptions = [];
   if (sourceShards == 1) {
-    for (let i = 2; i <= 1024; i++) {
+    for (let i = 2; i <= MAX_SHARDS_NUMBER; i++) {
       shardsSelectOptions.push({
         label: i.toString(),
       });
     }
   } else {
-    const SHARDS_HARD_LIMIT = 1024 / 2;
+    const SHARDS_HARD_LIMIT = MAX_SHARDS_NUMBER / 2;
     let shardsLimit = sourceShards;
-    for (let i = 1; shardsLimit <= SHARDS_HARD_LIMIT; i++) {
+    while (shardsLimit <= SHARDS_HARD_LIMIT) {
       shardsLimit = shardsLimit * 2;
       shardsSelectOptions.push({
         label: shardsLimit.toString(),

public/pages/SplitIndex/components/SplitIndexForm/SplitIndexForm.tsx

@@ -4,11 +4,10 @@
  */
 import React, { Component } from "react";
 import { EuiSpacer, EuiLink, EuiFlexItem, EuiFlexGroup, EuiButton, EuiButtonEmpty } from "@elastic/eui";
-import FormGenerator, { IField, IFormGeneratorRef } from "../../../../components/FormGenerator";
+import FormGenerator, { IField, IFormGeneratorRef, IFieldComponentProps } from "../../../../components/FormGenerator";
 import { IndexItem } from "../../../../../models/interfaces";
 import IndexDetail from "../../../../containers/IndexDetail";
 import ContentPanel from "../../../../components/ContentPanel/ContentPanel";
-import { IFieldComponentProps } from "../../../../components/FormGenerator";
 import AliasSelect, { AliasSelectProps } from "../../../CreateIndex/components/AliasSelect";
 import EuiToolTipWrapper from "../../../../components/EuiToolTipWrapper";
 import { INDEX_NAMING_PATTERN, INDEX_NAMING_MESSAGE, INDEX_SETTINGS_URL, REPLICA_NUMBER_MESSAGE } from "../../../../utils/constants";
@@ -193,7 +192,7 @@ export default class SplitIndexForm extends Component<SplitIndexComponentProps>
                   label: "Specify advanced index settings",
                   helpText: (
                     <>
-                      Specify a comma-delimited list of settings.
+                      Specify a comma-delimited list of settings.&nbsp;
                       <EuiLink href={INDEX_SETTINGS_URL} target="_blank">
                         View index settings
                       </EuiLink>

public/pages/SplitIndex/container/SplitIndex/SplitIndex.tsx

@@ -2,8 +2,8 @@
  * Copyright OpenSearch Contributors
  * SPDX-License-Identifier: Apache-2.0
  */
-import React, { Component } from "react";
-import { EuiCallOut, EuiSpacer, EuiTitle, EuiButton, EuiLink, EuiText } from "@elastic/eui";
+import React, { Component, useContext } from "react";
+import { EuiCallOut, EuiSpacer, EuiTitle, EuiButton, EuiLink, EuiFormRow } from "@elastic/eui";
 import { get } from "lodash";
 
 import { CatIndex } from "../../../../../server/models/interfaces";
@@ -24,7 +24,6 @@ import {
 
 import { CommonService, ServicesContext } from "../../../../services";
 import { CoreStart } from "opensearch-dashboards/public";
-import { useContext } from "react";
 import { CoreServicesContext } from "../../../../components/core_services";
 import { BREADCRUMBS, ROUTES } from "../../../../utils/constants";
 
@@ -57,10 +56,10 @@ export class SplitIndex extends Component<SplitIndexProps> {
 
   isSourceIndexReady = async () => {
     const source = queryString.parse(this.props.location.search) as { source: string };
-    let sourceIndex;
+    let sourceIndex: CatIndex;
     try {
       sourceIndex = await getSingleIndice({
-        indexName: source.source as string,
+        indexName: source.source,
         commonService: this.props.commonService,
         coreServices: this.props.coreService,
       });
@@ -134,7 +133,7 @@ export class SplitIndex extends Component<SplitIndexProps> {
       );
     }
 
-    if (sourceSettings && (!blocksWriteValue || (blocksWriteValue !== "true" && blocksWriteValue !== true))) {
+    if (sourceSettings && blocksWriteValue !== "true" && blocksWriteValue !== true) {
       const flat = true;
       const blocksWriteSetting = { "index.blocks.write": "true" };
       reasons.push(
@@ -200,18 +199,27 @@ export class SplitIndex extends Component<SplitIndexProps> {
     const { sourceIndex, splitIndexFlyoutVisible, reasons, shardsSelectOptions } = this.state;
     return (
       <div style={{ padding: "0px 50px" }}>
-        <EuiTitle size="l">
+        <EuiTitle>
           <h1>Split index</h1>
         </EuiTitle>
 
-        <EuiText color="subdued" size="s" style={{ padding: "5px 0px" }}>
-          <p style={{ fontWeight: 200 }}>
-            Split an existing read-only index into a new index with more primary shards . &nbsp;&nbsp;
-            <EuiLink href={"https://opensearch.org/docs/latest/api-reference/index-apis/split/"} target="_blank" rel="noopener noreferrer">
-              Learn more.
-            </EuiLink>
-          </p>
-        </EuiText>
+        <EuiFormRow
+          fullWidth
+          helpText={
+            <div>
+              Split an existing read-only index into a new index with more primary shards.&nbsp;
+              <EuiLink
+                href={"https://opensearch.org/docs/latest/api-reference/index-apis/split/"}
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+                Learn more.
+              </EuiLink>
+            </div>
+          }
+        >
+          <></>
+        </EuiFormRow>
 
         <EuiSpacer />
 

public/pages/SplitIndex/container/SplitIndex/__snapshots__/SplitIndex.test.tsx.snap

@@ -7,36 +7,39 @@ HTMLCollection [
       style="padding: 0px 50px;"
     >
       <h1
-        class="euiTitle euiTitle--large"
+        class="euiTitle euiTitle--medium"
       >
         Split index
       </h1>
       <div
-        class="euiText euiText--small"
-        style="padding: 5px 0px;"
+        class="euiFormRow euiFormRow--fullWidth"
+        id="some_html_id-row"
       >
         <div
-          class="euiTextColor euiTextColor--subdued"
+          class="euiFormRow__fieldWrapper"
         >
-          <p
-            style="font-weight: 200;"
+          <div
+            class="euiFormHelpText euiFormRow__text"
+            id="some_html_id-help-0"
           >
-            Split an existing read-only index into a new index with more primary shards .   
-            <a
-              class="euiLink euiLink--primary"
-              href="https://opensearch.org/docs/latest/api-reference/index-apis/split/"
-              rel="noopener noreferrer"
-              target="_blank"
-            >
-              Learn more.
-              EuiIconMock
-              <span
-                class="euiScreenReaderOnly"
+            <div>
+              Split an existing read-only index into a new index with more primary shards. 
+              <a
+                class="euiLink euiLink--primary"
+                href="https://opensearch.org/docs/latest/api-reference/index-apis/split/"
+                rel="noopener noreferrer"
+                target="_blank"
               >
-                (opens in a new tab or window)
-              </span>
-            </a>
-          </p>
+                Learn more.
+                EuiIconMock
+                <span
+                  class="euiScreenReaderOnly"
+                >
+                  (opens in a new tab or window)
+                </span>
+              </a>
+            </div>
+          </div>
         </div>
       </div>
       <div