refactor: use storybook and atomic design (#16)

BREAKING CHANGE: rewrite most of the Typescript types, so the content format (the meta in particular) needs to be updated.

1 files changed, 43 insertions, 0 deletions

diff --git a/src/components/molecules/buttons/back-to-top.tsx b/src/components/molecules/buttons/back-to-top.tsx
new file mode 100644
index 0000000..bd1925a
--- /dev/null
+++ b/src/components/molecules/buttons/back-to-top.tsx
@@ -0,0 +1,43 @@
+import ButtonLink, {
+  type ButtonLinkProps,
+} from '@components/atoms/buttons/button-link';
+import Arrow from '@components/atoms/icons/arrow';
+import { FC } from 'react';
+import { useIntl } from 'react-intl';
+import styles from './back-to-top.module.scss';
+
+export type BackToTopProps = Pick<ButtonLinkProps, 'target'> & {
+  /**
+   * Set additional classnames to the button wrapper.
+   */
+  className?: string;
+};
+
+/**
+ * BackToTop component
+ *
+ * Render a back to top link.
+ */
+const BackToTop: FC<BackToTopProps> = ({ className = '', target }) => {
+  const intl = useIntl();
+  const linkName = intl.formatMessage({
+    defaultMessage: 'Back to top',
+    description: 'BackToTop: link text',
+    id: 'm+SUSR',
+  });
+
+  return (
+    <div className={`${styles.wrapper} ${className}`}>
+      <ButtonLink
+        shape="square"
+        target={`#${target}`}
+        aria-label={linkName}
+        className={styles.link}
+      >
+        <Arrow direction="top" />
+      </ButtonLink>
+    </div>
+  );
+};
+
+export default BackToTop;