Merge pull request ethereum#13617 from ethereum/shadcn-alert

Shadcn migration - alert

src/components/Alert/Alert.stories.tsx

@@ -5,7 +5,7 @@ import { Meta, StoryObj } from "@storybook/react"
 import Alert from "."
 
 const meta = {
-  title: "Molecules / Action Feedback / Alerts",
+  title: "Molecules / Action Feedback / Old Alerts",
   component: Alert,
   decorators: [
     (Story) => (

src/components/ui/__stories__/Alert.stories.tsx

@@ -0,0 +1,87 @@
+import * as React from "react"
+import { MdInfoOutline } from "react-icons/md"
+import { Meta, StoryObj } from "@storybook/react"
+
+import {
+  Alert,
+  AlertCloseButton,
+  AlertContent,
+  AlertDescription,
+  AlertTitle,
+} from "../alert"
+import { Center } from "../flex"
+
+const meta = {
+  title: "Molecules / Action Feedback / Alerts",
+  component: Alert,
+  parameters: {
+    layout: "none",
+  },
+  decorators: [
+    (Story) => (
+      <Center className="min-h-[100vh]">
+        <Story />
+      </Center>
+    ),
+  ],
+} satisfies Meta<typeof Alert>
+
+export default meta
+
+type Story = StoryObj<typeof meta>
+
+const DEMO_TITLE = "Alert or callout title"
+const DEMO_DESC = "This is an alert to be used for important information."
+
+const VARIANTS = ["info", "error", "success", "warning", "update"] as const
+
+export const Variants: Story = {
+  render: (args) => (
+    <div className="flex w-[500px] flex-col gap-4">
+      {VARIANTS.map((variant) => (
+        <Alert key={variant} variant={variant} className="w-full" {...args}>
+          <AlertContent>
+            <AlertTitle>{DEMO_TITLE}</AlertTitle>
+            <AlertDescription>This is a {variant} alert</AlertDescription>
+          </AlertContent>
+        </Alert>
+      ))}
+    </div>
+  ),
+}
+
+export const WithCloseButton: Story = {
+  render: (args) => (
+    <div className="flex flex-col gap-4">
+      {VARIANTS.map((variant) => (
+        <Alert key={variant} variant={variant} {...args}>
+          <AlertContent>
+            <AlertTitle>{DEMO_TITLE}</AlertTitle>
+            <AlertDescription>{DEMO_DESC}</AlertDescription>
+          </AlertContent>
+          <AlertCloseButton />
+        </Alert>
+      ))}
+    </div>
+  ),
+}
+
+export const Banner: Story = {
+  render: (args) => (
+    <div className="mx-8 flex w-full flex-col gap-4">
+      {VARIANTS.map((variant) => (
+        <Alert key={variant} variant={variant} size="full" {...args}>
+          <MdInfoOutline className="h-6 w-6" />
+          <AlertContent>
+            <AlertTitle>Banner use case</AlertTitle>
+            <AlertDescription>
+              <p>{DEMO_DESC}</p>
+              <p>{DEMO_DESC}</p>
+            </AlertDescription>
+          </AlertContent>
+          <AlertCloseButton />
+        </Alert>
+      ))}
+    </div>
+  ),
+}

src/components/ui/alert.tsx

@@ -0,0 +1,92 @@
+import * as React from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+import { MdClose } from "react-icons/md"
+
+import { cn } from "@/lib/utils/cn"
+
+import { Button } from "./buttons/Button"
+
+const alertVariants = cva(
+  "flex flex-row gap-4 items-center rounded-lg border p-4",
+  {
+    variants: {
+      variant: {
+        info: "bg-background-highlight border",
+        error:
+          "border-error bg-error-light [&_h6]:text-error [&_svg]:text-error text-gray-800",
+        success:
+          "border-success bg-success-light [&_h6]:text-success [&_svg]:text-success text-gray-800",
+        warning:
+          "border-attention-outline bg-attention-light [&_h6]:text-attention [&_svg]:text-attention text-gray-800",
+        update:
+          "bg-primary-low-contrast border-primary-high-contrast [&_h6]:text-primary-high-contrast [&_svg]:text-primary-high-contrast",
+      },
+      size: {
+        // Useful for banner alerts
+        full: "rounded-none border-none w-full",
+      },
+    },
+    defaultVariants: {
+      variant: "info",
+    },
+  }
+)
+
+const Alert = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement> & VariantProps<typeof alertVariants>
+>(({ className, variant, size, ...props }, ref) => (
+  <div
+    ref={ref}
+    role="alert"
+    className={cn(alertVariants({ variant, size }), className)}
+    {...props}
+  />
+))
+Alert.displayName = "Alert"
+
+const AlertContent = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement>
+>(({ className, ...props }, ref) => (
+  <div ref={ref} className={cn("flex flex-1 flex-col", className)} {...props} />
+))
+AlertContent.displayName = "AlertContent"
+
+const AlertTitle = React.forwardRef<
+  HTMLParagraphElement,
+  React.HTMLAttributes<HTMLHeadingElement>
+>(({ className, ...props }, ref) => (
+  <h6 ref={ref} className={cn("tracking-tight", className)} {...props} />
+))
+AlertTitle.displayName = "AlertTitle"
+
+const AlertDescription = React.forwardRef<
+  HTMLParagraphElement,
+  React.HTMLAttributes<HTMLParagraphElement>
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    className={cn("text-sm [&_p]:leading-relaxed", className)}
+    {...props}
+  />
+))
+AlertDescription.displayName = "AlertDescription"
+
+const AlertCloseButton = React.forwardRef<
+  HTMLButtonElement,
+  React.ButtonHTMLAttributes<HTMLButtonElement>
+>(({ className, ...props }, ref) => (
+  <Button
+    ref={ref}
+    variant="ghost"
+    className={cn("-me-4 rounded-full text-body", className)}
+    {...props}
+  >
+    <MdClose className="h-6 w-6" />
+    <span className="sr-only">Close</span>
+  </Button>
+))
+AlertCloseButton.displayName = "AlertCloseButton"
+
+export { Alert, AlertCloseButton, AlertContent, AlertDescription, AlertTitle }

src/styles/global.css

@@ -160,7 +160,9 @@
     /* Complementary Set */
     --attention-outline: var(--attention-light);
 
-    --error-light: var(--error-light);
+    --error: var(--red-500);
+    --error-light: var(--red-100);
+    --error-outline: var(--error);
     /* ! Deprecating error-neutral */
     --error-netural: var(--red-900);