1 files changed, 118 insertions, 0 deletions
diff --git a/src/components/molecules/forms/fieldset.tsx b/src/components/molecules/forms/fieldset.tsx
new file mode 100644
index 0000000..9f46247
--- /dev/null
+++ b/src/components/molecules/forms/fieldset.tsx
@@ -0,0 +1,118 @@
+import useClickOutside from '@utils/hooks/use-click-outside';
+import {
+  cloneElement,
+  FC,
+  ReactComponentElement,
+  ReactNode,
+  useRef,
+  useState,
+} from 'react';
+import HelpButton from '../buttons/help-button';
+import Tooltip from '../modals/tooltip';
+import styles from './fieldset.module.scss';
+
+export type FieldsetProps = {
+  /**
+   * Set additional classnames to the body wrapper.
+   */
+  bodyClassName?: string;
+  /**
+   * The fieldset body.
+   */
+  children: ReactNode | ReactNode[];
+  /**
+   * Set additional classnames to the fieldset wrapper.
+   */
+  className?: string;
+  /**
+   * The fieldset legend.
+   */
+  legend: string;
+  /**
+   * Set additional classnames to the legend.
+   */
+  legendClassName?: string;
+  /**
+   * The legend position. Default: stacked.
+   */
+  legendPosition?: 'inline' | 'stacked';
+  /**
+   * An accessible role. Default: group.
+   */
+  role?: 'group' | 'radiogroup' | 'presentation' | 'none';
+  /**
+   * An optional tooltip component.
+   */
+  Tooltip?: ReactComponentElement<typeof Tooltip>;
+};
+
+/**
+ * Fieldset component
+ *
+ * Render a fieldset with a legend.
+ */
+const Fieldset: FC<FieldsetProps> = ({
+  bodyClassName = '',
+  children,
+  className = '',
+  legend,
+  legendClassName = '',
+  legendPosition = 'stacked',
+  Tooltip: TooltipComponent,
+  ...props
+}) => {
+  const [isTooltipOpened, setIsTooltipOpened] = useState<boolean>(false);
+  const buttonRef = useRef<HTMLButtonElement>(null);
+  const tooltipRef = useRef<HTMLDivElement>(null);
+  const wrapperModifier = `wrapper--${legendPosition}`;
+  const buttonModifier = isTooltipOpened ? styles['btn--activated'] : '';
+  const legendModifier =
+    TooltipComponent === undefined ? '' : 'legend--has-tooltip';
+  const tooltipModifier = isTooltipOpened
+    ? 'tooltip--visible'
+    : 'tooltip--hidden';
+
+  /**
+   * Close the tooltip if the event target is outside.
+   *
+   * @param {EventTarget} target - The event target.
+   */
+  const closeTooltip = (target: EventTarget) => {
+    if (buttonRef.current && !buttonRef.current.contains(target as Node))
+      setIsTooltipOpened(false);
+  };
+
+  useClickOutside(
+    tooltipRef,
+    (target) => isTooltipOpened && closeTooltip(target)
+  );
+
+  return (
+    <fieldset
+      className={`${styles.wrapper} ${styles[wrapperModifier]} ${className}`}
+      {...props}
+    >
+      <legend
+        className={`${styles.legend} ${styles[legendModifier]} ${legendClassName}`}
+      >
+        {legend}
+      </legend>
+      {TooltipComponent && (
+        <>
+          <HelpButton
+            className={`${styles.btn} ${buttonModifier}`}
+            onClick={() => setIsTooltipOpened(!isTooltipOpened)}
+            ref={buttonRef}
+          />
+          {cloneElement(TooltipComponent, {
+            cloneClassName: `${styles.tooltip} ${styles[tooltipModifier]}`,
+            ref: tooltipRef,
+          })}
+        </>
+      )}
+      <div className={`${styles.body} ${bodyClassName}`}>{children}</div>
+    </fieldset>
+  );
+};
+
+export default Fieldset;