feat(MessageBar): Initial implementation

packages/react-components/react-message-bar-preview/etc/react-message-bar-preview.api.md

@@ -4,6 +4,135 @@
 
 ```ts
 
+/// <reference types="react" />
+
+import type { ComponentProps } from '@fluentui/react-utilities';
+import type { ComponentState } from '@fluentui/react-utilities';
+import type { ForwardRefComponent } from '@fluentui/react-utilities';
+import * as React_2 from 'react';
+import type { Slot } from '@fluentui/react-utilities';
+import type { SlotClassNames } from '@fluentui/react-utilities';
+
+// @public
+export const MessageBar: ForwardRefComponent<MessageBarProps>;
+
+// @public
+export const MessageBarActions: ForwardRefComponent<MessageBarActionsProps>;
+
+// @public (undocumented)
+export const messageBarActionsClassNames: SlotClassNames<MessageBarActionsSlots>;
+
+// @public
+export type MessageBarActionsProps = ComponentProps<MessageBarActionsSlots> & {};
+
+// @public (undocumented)
+export type MessageBarActionsSlots = {
+    root: Slot<'div'>;
+    containerAction?: Slot<'div'>;
+};
+
+// @public
+export type MessageBarActionsState = ComponentState<MessageBarActionsSlots> & Pick<Required<MessageBarContextValue>, 'layout'>;
+
+// @public
+export const MessageBarBody: ForwardRefComponent<MessageBarBodyProps>;
+
+// @public (undocumented)
+export const messageBarBodyClassNames: SlotClassNames<MessageBarBodySlots>;
+
+// @public
+export type MessageBarBodyProps = ComponentProps<MessageBarBodySlots> & {};
+
+// @public (undocumented)
+export type MessageBarBodySlots = {
+    root: Slot<'div'>;
+};
+
+// @public
+export type MessageBarBodyState = ComponentState<MessageBarBodySlots>;
+
+// @public (undocumented)
+export const messageBarClassNames: SlotClassNames<MessageBarSlots>;
+
+// @public (undocumented)
+export const MessageBarContextProvider: React_2.Provider<MessageBarContextValue | undefined>;
+
+// @public (undocumented)
+export type MessageBarContextValue = {
+    layout?: 'multiline' | 'singleline';
+};
+
+// @public
+export type MessageBarProps = ComponentProps<MessageBarSlots> & Pick<MessageBarContextValue, 'layout'> & {
+    multiline?: boolean;
+    intent?: 'info' | 'success' | 'warning' | 'error';
+};
+
+// @public (undocumented)
+export type MessageBarSlots = {
+    root: Slot<'div'>;
+    icon?: Slot<'div'>;
+};
+
+// @public
+export type MessageBarState = ComponentState<MessageBarSlots> & Required<Pick<MessageBarProps, 'layout' | 'intent'>>;
+
+// @public
+export const MessageBarTitle: ForwardRefComponent<MessageBarTitleProps>;
+
+// @public (undocumented)
+export const messageBarTitleClassNames: SlotClassNames<MessageBarTitleSlots>;
+
+// @public
+export type MessageBarTitleProps = ComponentProps<MessageBarTitleSlots> & {};
+
+// @public (undocumented)
+export type MessageBarTitleSlots = {
+    root: Slot<'span'>;
+};
+
+// @public
+export type MessageBarTitleState = ComponentState<MessageBarTitleSlots>;
+
+// @public
+export const renderMessageBar_unstable: (state: MessageBarState, contexts: MessageBarContextValues) => JSX.Element;
+
+// @public
+export const renderMessageBarActions_unstable: (state: MessageBarActionsState) => JSX.Element;
+
+// @public
+export const renderMessageBarBody_unstable: (state: MessageBarBodyState) => JSX.Element;
+
+// @public
+export const renderMessageBarTitle_unstable: (state: MessageBarTitleState) => JSX.Element;
+
+// @public
+export const useMessageBar_unstable: (props: MessageBarProps, ref: React_2.Ref<HTMLElement>) => MessageBarState;
+
+// @public
+export const useMessageBarActions_unstable: (props: MessageBarActionsProps, ref: React_2.Ref<HTMLElement>) => MessageBarActionsState;
+
+// @public
+export const useMessageBarActionsStyles_unstable: (state: MessageBarActionsState) => MessageBarActionsState;
+
+// @public
+export const useMessageBarBody_unstable: (props: MessageBarBodyProps, ref: React_2.Ref<HTMLElement>) => MessageBarBodyState;
+
+// @public
+export const useMessageBarBodyStyles_unstable: (state: MessageBarBodyState) => MessageBarBodyState;
+
+// @public (undocumented)
+export const useMessageBarContext: () => MessageBarContextValue;
+
+// @public
+export const useMessageBarStyles_unstable: (state: MessageBarState) => MessageBarState;
+
+// @public
+export const useMessageBarTitle_unstable: (props: MessageBarTitleProps, ref: React_2.Ref<HTMLElement>) => MessageBarTitleState;
+
+// @public
+export const useMessageBarTitleStyles_unstable: (state: MessageBarTitleState) => MessageBarTitleState;
+
 // (No @packageDocumentation comment for this package)
 
 ```

packages/react-components/react-message-bar-preview/package.json

@@ -31,6 +31,8 @@
     "@fluentui/scripts-tasks": "*"
   },
   "dependencies": {
+    "@fluentui/react-button": "^9.3.43",
+    "@fluentui/react-icons": "^2.0.217",
     "@fluentui/react-jsx-runtime": "^9.0.12",
     "@fluentui/react-theme": "^9.1.14",
     "@fluentui/react-utilities": "^9.13.5",

packages/react-components/react-message-bar-preview/src/MessageBar.ts

@@ -0,0 +1 @@
+export * from './components/MessageBar/index';

packages/react-components/react-message-bar-preview/src/MessageBarActions.ts

@@ -0,0 +1 @@
+export * from './components/MessageBarActions/index';

packages/react-components/react-message-bar-preview/src/MessageBarBody.ts

@@ -0,0 +1 @@
+export * from './components/MessageBarBody/index';

packages/react-components/react-message-bar-preview/src/MessageBarTitle.ts

@@ -0,0 +1 @@
+export * from './components/MessageBarTitle/index';

packages/react-components/react-message-bar-preview/src/components/MessageBar/MessageBar.test.tsx

@@ -0,0 +1,27 @@
+import * as React from 'react';
+import { render } from '@testing-library/react';
+import { isConformant } from '../../testing/isConformant';
+import { MessageBar } from './MessageBar';
+
+describe('MessageBar', () => {
+  isConformant({
+    Component: MessageBar,
+    displayName: 'MessageBar',
+    testOptions: {
+      'has-static-classnames': [
+        {
+          props: {
+            icon: 'Icon',
+          },
+        },
+      ],
+    },
+  });
+
+  // TODO add more tests here, and create visual regression tests in /apps/vr-tests
+
+  it('renders a default state', () => {
+    const result = render(<MessageBar>Default MessageBar</MessageBar>);
+    expect(result.container).toMatchSnapshot();
+  });
+});

packages/react-components/react-message-bar-preview/src/components/MessageBar/MessageBar.tsx

@@ -0,0 +1,19 @@
+import * as React from 'react';
+import type { ForwardRefComponent } from '@fluentui/react-utilities';
+import { useMessageBar_unstable } from './useMessageBar';
+import { renderMessageBar_unstable } from './renderMessageBar';
+import { useMessageBarStyles_unstable } from './useMessageBarStyles.styles';
+import type { MessageBarProps } from './MessageBar.types';
+import { useMessageBarContextValue_unstable } from './useMessageBarContextValues';
+
+/**
+ * MessageBar component
+ */
+export const MessageBar: ForwardRefComponent<MessageBarProps> = React.forwardRef((props, ref) => {
+  const state = useMessageBar_unstable(props, ref);
+
+  useMessageBarStyles_unstable(state);
+  return renderMessageBar_unstable(state, useMessageBarContextValue_unstable(state));
+});
+
+MessageBar.displayName = 'MessageBar';

packages/react-components/react-message-bar-preview/src/components/MessageBar/MessageBar.types.ts

@@ -0,0 +1,25 @@
+import type { ComponentProps, ComponentState, Slot } from '@fluentui/react-utilities';
+import { MessageBarContextValue } from '../../contexts/messageBarContext';
+
+export type MessageBarSlots = {
+  root: Slot<'div'>;
+  icon?: Slot<'div'>;
+};
+
+export type MessageBarContextValues = {
+  messageBar: MessageBarContextValue;
+};
+
+/**
+ * MessageBar Props
+ */
+export type MessageBarProps = ComponentProps<MessageBarSlots> &
+  Pick<MessageBarContextValue, 'layout'> & {
+    multiline?: boolean;
+    intent?: 'info' | 'success' | 'warning' | 'error';
+  };
+
+/**
+ * State used in rendering MessageBar
+ */
+export type MessageBarState = ComponentState<MessageBarSlots> & Required<Pick<MessageBarProps, 'layout' | 'intent'>>;

packages/react-components/react-message-bar-preview/src/components/MessageBar/__snapshots__/MessageBar.test.tsx.snap

@@ -0,0 +1,29 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`MessageBar renders a default state 1`] = `
+<div>
+  <div
+    class="fui-MessageBar"
+  >
+    <div
+      class="fui-MessageBar__icon"
+    >
+      <svg
+        aria-hidden="true"
+        class=""
+        fill="currentColor"
+        height="1em"
+        viewBox="0 0 20 20"
+        width="1em"
+        xmlns="http://www.w3.org/2000/svg"
+      >
+        <path
+          d="M18 10a8 8 0 1 0-16 0 8 8 0 0 0 16 0ZM9.5 8.91a.5.5 0 0 1 1 0V13.6a.5.5 0 0 1-1 0V8.9Zm-.25-2.16a.75.75 0 1 1 1.5 0 .75.75 0 0 1-1.5 0Z"
+          fill="currentColor"
+        />
+      </svg>
+    </div>
+    Default MessageBar
+  </div>
+</div>
+`;

packages/react-components/react-message-bar-preview/src/components/MessageBar/getIntentIcon.tsx

@@ -0,0 +1,19 @@
+import * as React from 'react';
+import { MessageBarProps } from './MessageBar.types';
+import { CheckmarkCircleFilled, InfoFilled, WarningFilled, ErrorCircleFilled } from '@fluentui/react-icons';
+
+export function getIntentIcon(intent: MessageBarProps['intent']) {
+  switch (intent) {
+    case 'info':
+      return <InfoFilled />;
+    case 'warning':
+      return <WarningFilled />;
+    case 'error':
+      return <ErrorCircleFilled />;
+    case 'success':
+      return <CheckmarkCircleFilled />;
+
+    default:
+      return null;
+  }
+}

packages/react-components/react-message-bar-preview/src/components/MessageBar/index.ts

@@ -0,0 +1,5 @@
+export * from './MessageBar';
+export * from './MessageBar.types';
+export * from './renderMessageBar';
+export * from './useMessageBar';
+export * from './useMessageBarStyles.styles';

packages/react-components/react-message-bar-preview/src/components/MessageBar/renderMessageBar.tsx

@@ -0,0 +1,22 @@
+/** @jsxRuntime automatic */
+/** @jsxImportSource @fluentui/react-jsx-runtime */
+
+import { assertSlots } from '@fluentui/react-utilities';
+import type { MessageBarState, MessageBarSlots, MessageBarContextValues } from './MessageBar.types';
+import { MessageBarContextProvider } from '../../contexts/messageBarContext';
+
+/**
+ * Render the final JSX of MessageBar
+ */
+export const renderMessageBar_unstable = (state: MessageBarState, contexts: MessageBarContextValues) => {
+  assertSlots<MessageBarSlots>(state);
+
+  return (
+    <MessageBarContextProvider value={contexts.messageBar}>
+      <state.root>
+        {state.icon && <state.icon />}
+        {state.root.children}
+      </state.root>
+    </MessageBarContextProvider>
+  );
+};

packages/react-components/react-message-bar-preview/src/components/MessageBar/useMessageBar.ts

@@ -0,0 +1,39 @@
+import * as React from 'react';
+import { getNativeElementProps, slot } from '@fluentui/react-utilities';
+import type { MessageBarProps, MessageBarState } from './MessageBar.types';
+import { getIntentIcon } from './getIntentIcon';
+
+/**
+ * Create the state required to render MessageBar.
+ *
+ * The returned state can be modified with hooks such as useMessageBarStyles_unstable,
+ * before being passed to renderMessageBar_unstable.
+ *
+ * @param props - props from this instance of MessageBar
+ * @param ref - reference to root HTMLElement of MessageBar
+ */
+export const useMessageBar_unstable = (props: MessageBarProps, ref: React.Ref<HTMLElement>): MessageBarState => {
+  const { layout = 'singleline', intent = 'info' } = props;
+
+  return {
+    components: {
+      root: 'div',
+      icon: 'div',
+    },
+    root: slot.always(
+      getNativeElementProps('div', {
+        ref,
+        ...props,
+      }),
+      { elementType: 'div' },
+    ),
+
+    icon: slot.optional(props.icon, {
+      renderByDefault: true,
+      elementType: 'div',
+      defaultProps: { children: getIntentIcon(intent) },
+    }),
+    layout,
+    intent,
+  };
+};

packages/react-components/react-message-bar-preview/src/components/MessageBar/useMessageBarContextValues.ts

@@ -0,0 +1,17 @@
+import * as React from 'react';
+import { MessageBarContextValues, MessageBarState } from './MessageBar.types';
+
+export function useMessageBarContextValue_unstable(state: MessageBarState): MessageBarContextValues {
+  const { layout } = state;
+
+  const messageBarContext = React.useMemo(
+    () => ({
+      layout,
+    }),
+    [layout],
+  );
+
+  return {
+    messageBar: messageBarContext,
+  };
+}