feat(Modal)!: introduce 2.0 component

src/components/ButtonGroup/ButtonGroup-v2.module.css

@@ -0,0 +1,28 @@
+/*------------------------------------*\
+    # BUTTON GROUP
+\*------------------------------------*/
+
+/**
+ * A group of buttons displayed in an organized fashion.
+ */
+.button-group {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: flex-start;
+
+  gap: 0.5rem;
+}
+
+.button-group--horizontal {
+  flex-direction: row-reverse;
+}
+
+.button-group--vertical {
+  flex-direction: column;
+  align-content: center;
+}
+
+.button-group--horizontal-progressive {
+  flex-direction: row-reverse;
+  justify-content: space-between;
+}

src/components/ButtonGroup/ButtonGroup-v2.stories.tsx

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+import type { StoryObj, Meta } from '@storybook/react';
+import React from 'react';
+
+import { ButtonGroup } from './ButtonGroup-v2';
+import { ButtonV2 as Button } from '../Button';
+
+export default {
+  title: 'Components/V2/ButtonGroup',
+  component: ButtonGroup,
+  args: {
+    orientation: 'horizontal',
+    children: (
+      <>
+        <Button rank="primary">Button 1</Button>
+        <Button rank="secondary">Button 2</Button>
+      </>
+    ),
+  },
+  argTypes: {
+    children: {
+      control: {
+        type: null,
+      },
+    },
+  },
+  parameters: {
+    badges: ['intro-1.0', 'current-2.0'],
+  },
+  decorators: [(Story) => <div className="p-8">{Story()}</div>],
+} as Meta<Args>;
+
+type Args = React.ComponentProps<typeof ButtonGroup>;
+
+export const Default: StoryObj<Args> = {};
+
+export const Vertical: StoryObj<Args> = {
+  args: {
+    buttonLayout: 'vertical',
+  },
+};
+
+export const HorizontalProgressive: StoryObj<Args> = {
+  args: {
+    buttonLayout: 'horizontal-progressive',
+  },
+};
+
+export const WithFiveButtons: StoryObj<Args> = {
+  args: {
+    children: (
+      <>
+        <Button>Button 1</Button>
+        <Button>Button 2</Button>
+        <Button>Button 3</Button>
+        <Button>Button 4</Button>
+        <Button rank="primary">Button 5</Button>
+      </>
+    ),
+  },
+};

src/components/ButtonGroup/ButtonGroup-v2.tsx

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+import clsx from 'clsx';
+import type { ReactNode } from 'react';
+import React from 'react';
+
+import styles from './ButtonGroup-v2.module.css';
+
+type ButtonGroupProps = {
+  // Component API
+  /**
+   * The buttons. Should not be wrapped in another element – we just want the buttons.
+   */
+  children: ReactNode;
+  /**
+   * Additional classnames passed in for styling.
+   *
+   * This will be applied to the container we're placing around the buttons.
+   */
+  className?: string;
+  // Design API
+  /**
+   * Whether the buttons should be laid out horizontally or stacked vertically (along with relative button position).
+   */
+  buttonLayout?: 'horizontal' | 'vertical' | 'horizontal-progressive';
+};
+
+/**
+ * `import {ButtonGroup} from "@chanzuckerberg/eds";`
+ *
+ * A container for buttons grouped together horizontally or vertically.
+ */
+export function ButtonGroup({
+  children,
+  className,
+  buttonLayout = 'horizontal',
+}: ButtonGroupProps) {
+  const componentClassName = clsx(
+    styles['button-group'],
+    buttonLayout && styles[`button-group--${buttonLayout}`],
+    className,
+  );
+
+  return <div className={componentClassName}>{children}</div>;
+}

src/components/ButtonGroup/index.ts

@@ -1 +1,2 @@
 export { ButtonGroup as default } from './ButtonGroup';
+export { ButtonGroup as ButtonGroupV2 } from './ButtonGroup-v2';

src/components/Modal/Modal-v2.module.css

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+@import '../../design-tokens/mixins.css';
+
+/*------------------------------------*\
+    # MODAL
+\*------------------------------------*/
+
+/**
+ * The modal wrapper and overlay which takes up the entire screen.
+ */
+.modal,
+.modal__overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  height: 100vh; /* TODO-AH: make sure this doesn't spill out of the container */
+  width: 100%;
+}
+
+/**
+ * The inverted background of the modal to provide contrast with the actual modal.
+ */
+.modal__overlay {
+  /* TODO-AH: opacity of color based on 50% */
+  background-color: var(--eds-theme-color-background-utility-overlay-low-emphasis);
+  opacity: 0.5;
+}
+
+/**
+ * The modal container which positions the modal in the center of the screen.
+ */
+.modal {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 1rem;
+
+  /**
+   * Ensures modal is above other components. This is not a design token for now since we need to align on 
+   * z-indeces across the system
+   */
+  z-index: 1050;
+}
+
+/**
+ * Modal transition animations.
+ */
+.modal__transition--enter {
+  transition: opacity var(--eds-anim-fade-long) var(--eds-anim-ease);
+  @media (prefers-reduced-motion) {
+    transition: none;
+  }
+}
+
+.modal__transition--enterFrom {
+  opacity: 0;
+}
+
+.modal__transition--enterTo {
+  opacity: 1;
+}
+
+.modal__transition--leave {
+  transition: opacity var(--eds-anim-fade-long) var(--eds-anim-ease);
+  @media (prefers-reduced-motion) {
+    transition: none;
+  }
+}
+
+.modal__transition--leaveFrom {
+  opacity: 1;
+}
+
+.modal__transition--leaveTo {
+  opacity: 0;
+}
+
+/**
+ * The content of the modal, which can wrap header, body, and footer.
+ */
+.modal__content {
+  position: relative;
+  height: 43.125rem;
+  max-height: 90vh;
+  overflow: hidden;
+
+  /** 
+  * This transparent border is for Window High Contrast Mode, which removes all
+  * background colors but makes borders 100% opacity black. Without this, the
+  * modal would have no clear boundary. 
+  */
+  border: var(--eds-theme-form-border-width) transparent var(--eds-theme-color-background-utility-container);
+
+  display: flex;
+  flex-direction: column;
+
+  width: 22.5rem;
+
+  background-color: var(--eds-theme-color-background-utility-container);
+}
+
+/**
+ * The medium modal size used for the md modal.
+ * Also used for the lg modal size for when the screen size is smaller than 75rem.
+ */
+.modal__content--md {
+  @media all and (min-width: $eds-bp-md) {
+    width: 42rem;
+  }
+}
+
+/**
+ * The large modal size used for the lg/default modal.
+ */
+.modal__content--lg {
+  @media all and (min-width: $eds-bp-xl) {
+    width: 64rem;
+    --modal-horizontal-padding: 4rem;
+  }
+}
+
+/**
+ * Allows scrolling of the modal content except for sticky footer.
+ * This functionality is our intended scroll behavior but consuming teams can 
+ * style the body content as they wish to handle overflow in various ways.
+ */
+.modal__content--scrollable {
+  overflow: auto;
+}
+
+/**
+ * The modal close button.
+ * TODO-AH: this should be a `Button`
+ */
+.modal__close-button {
+  border: 0;
+  background-color: transparent;
+
+  position: absolute;
+  top: 0;
+  right: 0;
+
+  width: 3rem;
+  height: 3rem;
+
+  cursor: pointer;
+
+  z-index: 1;
+
+  color: var(--eds-theme-color-text-utility-default-secondary);
+}
+
+/**
+ * The modal close icon that resides in the close button.
+ */
+.modal__close-icon {
+  position: absolute;
+  top: 0.5rem;
+  right: 0.5rem;
+}
+
+/*------------------------------------*\
+    # MODAL BODY
+\*------------------------------------*/
+
+/**
+ * The body of the modal
+ */
+ .modal-body {
+  flex: 1;
+  padding: 0 2rem;
+}
+
+/*------------------------------------*\
+    # MODAL FOOTER
+\*------------------------------------*/
+
+/**
+ * Footer for the modal.
+ */
+ .modal-footer {
+  width: 100%;
+  z-index: 1000;
+
+  padding: 1.5rem 2rem;
+
+  background-color: var(--eds-theme-color-background-utility-container);
+}
+
+.modal-footer--sticky {
+  position: sticky;
+  bottom: 0;
+
+  /* TODO-AH: bring in scrollwrapper to handle show/hide of visible elevation (and which box shadow to apply) */
+  box-shadow: var(--eds-box-shadow-xl);
+}
+
+/*------------------------------------*\
+    # MODAL HEADER
+\*------------------------------------*/
+
+/**
+ * Header for the modal.
+ */
+ .modal-header {
+  width: 100%;
+
+  padding: 1.5rem 2rem;
+}
+
+.modal-sub-title {
+  color: var(--eds-theme-color-text-utility-default-secondary);
+}