From 9a186b357b32325cf77fdce39a6c6c9aff76d8a5 Mon Sep 17 00:00:00 2001
From: Armand Philippot <git@armandphilippot.com>
Date: Tue, 17 May 2022 18:31:21 +0200
Subject: chore: listen scroll to hide/show back to top button

---
 src/components/organisms/layout/footer.stories.tsx | 21 +++++++++++++--------
 src/components/organisms/layout/footer.tsx         | 21 ++++++++++++++++++---
 2 files changed, 31 insertions(+), 11 deletions(-)

(limited to 'src/components/organisms/layout')

diff --git a/src/components/organisms/layout/footer.stories.tsx b/src/components/organisms/layout/footer.stories.tsx
index 06819da..bd5a744 100644
--- a/src/components/organisms/layout/footer.stories.tsx
+++ b/src/components/organisms/layout/footer.stories.tsx
@@ -1,5 +1,4 @@
 import { ComponentMeta, ComponentStory } from '@storybook/react';
-import { IntlProvider } from 'react-intl';
 import FooterComponent from './footer';
 
 /**
@@ -9,6 +8,19 @@ export default {
   title: 'Organisms/Layout',
   component: FooterComponent,
   argTypes: {
+    backToTopClassName: {
+      control: {
+        type: 'text',
+      },
+      description: 'Set additional classnames to the back to top button.',
+      table: {
+        category: 'Styles',
+      },
+      type: {
+        name: 'string',
+        required: false,
+      },
+    },
     className: {
       control: {
         type: 'text',
@@ -53,13 +65,6 @@ export default {
       },
     },
   },
-  decorators: [
-    (Story) => (
-      <IntlProvider locale="en">
-        <Story />
-      </IntlProvider>
-    ),
-  ],
 } as ComponentMeta<typeof FooterComponent>;
 
 const Template: ComponentStory<typeof FooterComponent> = (args) => (
diff --git a/src/components/organisms/layout/footer.tsx b/src/components/organisms/layout/footer.tsx
index 1426e96..c60afec 100644
--- a/src/components/organisms/layout/footer.tsx
+++ b/src/components/organisms/layout/footer.tsx
@@ -1,13 +1,19 @@
 import Copyright, {
   type CopyrightProps,
 } from '@components/atoms/layout/copyright';
-import BackToTop from '@components/molecules/buttons/back-to-top';
+import BackToTop, {
+  type BackToTopProps,
+} from '@components/molecules/buttons/back-to-top';
 import Nav, { type NavItem } from '@components/molecules/nav/nav';
 import { FC } from 'react';
 import { useIntl } from 'react-intl';
 import styles from './footer.module.scss';
 
 export type FooterProps = {
+  /**
+   * Set additional classnames to the back to top button.
+   */
+  backToTopClassName?: BackToTopProps['className'];
   /**
    * Set additional classnames to the footer element.
    */
@@ -31,7 +37,13 @@ export type FooterProps = {
  *
  * Renders a footer with copyright and nav;
  */
-const Footer: FC<FooterProps> = ({ className, copyright, navItems, topId }) => {
+const Footer: FC<FooterProps> = ({
+  backToTopClassName,
+  className = '',
+  copyright,
+  navItems,
+  topId,
+}) => {
   const intl = useIntl();
   const ariaLabel = intl.formatMessage({
     defaultMessage: 'Footer',
@@ -54,7 +66,10 @@ const Footer: FC<FooterProps> = ({ className, copyright, navItems, topId }) => {
           className={styles.nav}
         />
       )}
-      <BackToTop target={topId} className={styles['back-to-top']} />
+      <BackToTop
+        target={topId}
+        className={`${styles['back-to-top']} ${backToTopClassName}`}
+      />
     </footer>
   );
 };
-- 
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