[TS Migration] Migrate 'FormHelpMessage.js' component to TypeScript

src/components/FormHelpMessage.tsx

@@ -0,0 +1,49 @@
+import isEmpty from 'lodash/isEmpty';
+import React from 'react';
+import {StyleProp, View, ViewStyle} from 'react-native';
+import * as Localize from '@libs/Localize';
+import useTheme from '@styles/themes/useTheme';
+import useThemeStyles from '@styles/useThemeStyles';
+import Icon from './Icon';
+import * as Expensicons from './Icon/Expensicons';
+import Text from './Text';
+
+type FormHelpMessageProps = {
+    /** Error or hint text. Ignored when children is not empty */
+    message?: Localize.MaybePhraseKey;
+
+    /** Children to render next to dot indicator */
+    children?: React.ReactNode;
+
+    /** Indicates whether to show error or hint */
+    isError?: boolean;
+
+    /** Container style props */
+    style?: StyleProp<ViewStyle>;
+};
+
+function FormHelpMessage({message = '', children, isError = true, style}: FormHelpMessageProps) {
+    const theme = useTheme();
+    const styles = useThemeStyles();
+    if (isEmpty(message) && isEmpty(children)) {
+        return null;
+    }
+
+    const translatedMessage = Localize.translateIfPhraseKey(message);
+
+    return (
+        <View style={[styles.flexRow, styles.alignItemsCenter, styles.mt2, styles.mb1, style]}>
+            {isError && (
+                <Icon
+                    src={Expensicons.DotIndicator}
+                    fill={theme.danger}
+                />
+            )}
+            <View style={[styles.flex1, isError && styles.ml2]}>{children ?? <Text style={[isError ? styles.formError : styles.formHelp, styles.mb0]}>{translatedMessage}</Text>}</View>
+        </View>
+    );
+}
+
+FormHelpMessage.displayName = 'FormHelpMessage';
+
+export default FormHelpMessage;

src/components/SingleChoiceQuestion.tsx

@@ -1,13 +1,14 @@
 import React, {ForwardedRef, forwardRef} from 'react';
 import {Text as RNText} from 'react-native';
+import type {MaybePhraseKey} from '@libs/Localize';
 import useThemeStyles from '@styles/useThemeStyles';
 import FormHelpMessage from './FormHelpMessage';
 import RadioButtons, {Choice} from './RadioButtons';
 import Text from './Text';
 
 type SingleChoiceQuestionProps = {
     prompt: string;
-    errorText?: string | string[];
+    errorText?: MaybePhraseKey;
     possibleAnswers: Choice[];
     currentQuestionIndex: number;
     onInputChange: (value: string) => void;