add close button to alert

@navikt/core/css/alert.css

@@ -73,3 +73,12 @@
   border: none;
   padding: 0;
 }
+
+.navds-alert > .navds-alert__button-wrapper {
+  align-self: flex-start;
+  justify-self: flex-end;
+  flex: 1;
+  display: flex;
+  flex-flow: row nowrap;
+  justify-content: flex-end;
+}

@navikt/core/react/src/alert/Alert.tsx

@@ -3,10 +3,12 @@ import {
   CheckmarkCircleFillIcon,
   ExclamationmarkTriangleFillIcon,
   XMarkOctagonFillIcon,
+  XMarkIcon,
 } from "@navikt/aksel-icons";
 import cl from "clsx";
 import React, { forwardRef } from "react";
 import { BodyLong } from "../typography/BodyLong";
+import { Button } from "../button";
 
 export interface AlertProps extends React.HTMLAttributes<HTMLDivElement> {
   /**
@@ -32,6 +34,17 @@ export interface AlertProps extends React.HTMLAttributes<HTMLDivElement> {
    * @default false
    */
   inline?: boolean;
+  /**
+   * Removes close-button(X) when false
+   * Requires onClose to be set
+   * @default true
+   */
+  closeButton?: boolean;
+  /**
+   * Callback for alert wanting to close
+   * requires closeButton to be true
+   */
+  onClose?: () => void;
 }
 
 const Icon = ({ variant, ...props }) => {
@@ -71,27 +84,45 @@ export const Alert = forwardRef<HTMLDivElement, AlertProps>(
       size = "medium",
       fullWidth = false,
       inline = false,
+      closeButton = false,
+      onClose,
       ...rest
     },
     ref
-  ) => (
-    <div
-      {...rest}
-      ref={ref}
-      className={cl(
-        className,
-        "navds-alert",
-        `navds-alert--${variant}`,
-        `navds-alert--${size}`,
-        { "navds-alert--full-width": fullWidth, "navds-alert--inline": inline }
-      )}
-    >
-      <Icon variant={variant} className="navds-alert__icon" />
-      <BodyLong as="div" size={size} className="navds-alert__wrapper">
-        {children}
-      </BodyLong>
-    </div>
-  )
+  ) => {
+    return (
+      <div
+        {...rest}
+        ref={ref}
+        className={cl(
+          className,
+          "navds-alert",
+          `navds-alert--${variant}`,
+          `navds-alert--${size}`,
+          {
+            "navds-alert--full-width": fullWidth,
+            "navds-alert--inline": inline,
+          }
+        )}
+      >
+        <Icon variant={variant} className="navds-alert__icon" />
+        <BodyLong as="div" size={size} className="navds-alert__wrapper">
+          {children}
+        </BodyLong>
+        {closeButton && !inline && (
+          <div className="navds-alert__button-wrapper">
+            <Button
+              className={cl("navds-alert__button")}
+              size="small"
+              variant="tertiary-neutral"
+              onClick={onClose}
+              icon={<XMarkIcon title="Lukk Alert" />}
+            />
+          </div>
+        )}
+      </div>
+    );
+  }
 );
 
 export default Alert;

@navikt/core/react/src/alert/alert.stories.tsx

@@ -2,6 +2,8 @@ import type { Meta, StoryObj } from "@storybook/react";
 import React from "react";
 import { Alert } from ".";
 import { BodyLong, Heading as DsHeading, Link } from "..";
+import { within, userEvent } from "@storybook/testing-library";
+import { expect } from "@storybook/jest";
 
 const meta: Meta<typeof Alert> = {
   title: "ds-react/Alert",
@@ -147,3 +149,44 @@ export const Links = () => {
     </div>
   );
 };
+
+const CloseButton = ({ children }: { children?: React.ReactNode }) => {
+  let [show, setShow] = React.useState(true);
+
+  return (
+    show && (
+      <Alert variant="success" closeButton onClose={() => setShow(false)}>
+        {children || "Content"}
+      </Alert>
+    )
+  );
+};
+
+export const WithCloseButton: Story = {
+  render: () => {
+    return (
+      <div className="colgap">
+        <CloseButton />
+        <CloseButton>
+          <BodyLong>
+            Ullamco ullamco laborum et commodo sint culpa cupidatat culpa qui
+            laboris ex. Labore ex occaecat proident qui qui fugiat magna. Fugiat
+            sint commodo consequat eu aute.
+          </BodyLong>
+          <Link href="#">Id elit esse enim reprehenderit</Link>
+        </CloseButton>
+      </div>
+    );
+  },
+  play: async ({ canvasElement, step }) => {
+    const canvas = within(canvasElement);
+    const buttons = canvas.getAllByTitle("Lukk Alert");
+
+    await step("click button", async () => {
+      await userEvent.click(buttons[0]);
+    });
+
+    const buttonsAfter = canvas.getAllByTitle("Lukk Alert");
+    expect(buttonsAfter.length).toBe(1);
+  },
+};