feat: move has string to separate file

Author: Juarez Mota

dotcom-rendering/src/components/SignInGate/gateDesigns/SignInGateAuxiaV1.tsx

@@ -10,6 +10,7 @@ import {
 	textSansBold15,
 } from '@guardian/source/foundations';
 import { SvgCross, SvgGuardianLogo } from '@guardian/source/react-components';
+import { has } from '../../../lib/has-string';
 import { AuthProviderButtons } from '../../AuthProviderButtons/AuthProviderButtons';
 import { useConfig } from '../../ConfigContext';
 import { ExternalLink } from '../../ExternalLink/ExternalLink';
@@ -47,7 +48,6 @@ export const SignInGateAuxiaV1 = ({
 		first_cta_link: firstCtaLink,
 	} = JSON.parse(userTreatment.treatmentContent) as TreatmentContentDecoded;
 
-	const has = (s?: string) => !!s && s.trim() !== '';
 	const isDismissible = userTreatment.treatmentType.startsWith(
 		'DISMISSABLE_SIGN_IN_GATE',
 	);

dotcom-rendering/src/components/SignInGate/gateDesigns/SignInGateAuxiaV2.tsx

@@ -15,6 +15,7 @@ import {
 import { SvgCross, SvgGuardianLogo } from '@guardian/source/react-components';
 import { useEffect } from 'react';
 import { getZIndex } from '../../../lib/getZIndex';
+import { has } from '../../../lib/has-string';
 import { AuthProviderButtons } from '../../AuthProviderButtons/AuthProviderButtons';
 import { useConfig } from '../../ConfigContext';
 import { ExternalLink } from '../../ExternalLink/ExternalLink';
@@ -51,7 +52,6 @@ export const SignInGateAuxiaV2 = ({
 		first_cta_link: firstCtaLink,
 	} = JSON.parse(userTreatment.treatmentContent) as TreatmentContentDecoded;
 
-	const has = (s?: string) => !!s && s.trim() !== '';
 	const isDismissible = userTreatment.treatmentType.startsWith(
 		'DISMISSABLE_SIGN_IN_GATE',
 	);

dotcom-rendering/src/lib/has-string.ts

@@ -0,0 +1 @@
+export const has = (s?: string): boolean => !!s && s.trim() !== '';