feat(components): styled button

app/src/components/button/Button.tsx

@@ -0,0 +1,42 @@
+import React, { ReactNode, Ref } from "react";
+import {
+  Button as AriaButton,
+  ButtonProps as AriaButtonProps,
+} from "react-aria-components";
+
+import { SizingProps, VarianceProps } from "@phoenix/components/types";
+
+import { buttonCSS } from "./styles";
+
+interface ButtonProps extends AriaButtonProps, SizingProps, VarianceProps {
+  /**
+   * An optional prefixed icon for the button
+   */
+  icon?: ReactNode;
+}
+
+function Button(props: ButtonProps, ref: Ref<HTMLButtonElement>) {
+  const {
+    size = "M",
+    variant = "default",
+    icon,
+    children,
+    ...otherProps
+  } = props;
+  return (
+    <AriaButton
+      {...otherProps}
+      ref={ref}
+      data-size={size}
+      data-variant={variant}
+      data-childless={!children}
+      css={buttonCSS}
+    >
+      {icon}
+      <>{children}</>
+    </AriaButton>
+  );
+}
+
+const _Button = React.forwardRef(Button);
+export { _Button as Button, ButtonProps };

app/src/components/button/styles.tsx

@@ -0,0 +1,85 @@
+import { css } from "@emotion/react";
+
+export const buttonCSS = css`
+  border: 1px solid var(--ac-global-border-color-default);
+  font-size: var(--ac-global-dimension-static-font-size-100);
+  line-height: 20px; // TODO(mikeldking): move this into a consistent variable
+  margin: 0;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  box-sizing: border-box;
+  border-radius: var(--ac-global-rounding-small);
+  color: var(--ac-global-text-color-900);
+  cursor: pointer;
+  /* Disable outline since there are other mechanisms to show focus */
+  outline: none;
+  &:not([disabled]) {
+    transition: all 0.2s ease-in-out;
+  }
+  &[disabled] {
+    cursor: default;
+    opacity: 0.6;
+  }
+  &[data-size="M"][data-childless="false"] {
+    padding: var(--ac-global-dimension-static-size-100)
+      var(--ac-global-dimension-static-size-200);
+  }
+  &[data-size="S"][data-childless="false"] {
+    padding: var(--ac-global-dimension-static-size-50)
+      var(--ac-global-dimension-static-size-100);
+  }
+  &[data-size="M"][data-childless="true"] {
+    padding: var(--ac-global-dimension-static-size-100)
+      var(--ac-global-dimension-static-size-100);
+  }
+  &[data-size="S"][data-childless="true"] {
+    padding: var(--ac-global-dimension-static-size-50)
+      var(--ac-global-dimension-static-size-50);
+  }
+  &[data-variant="primary"] {
+    background-color: var(--ac-global-button-primary-background-color);
+    border-color: var(--ac-global-button-primary-border-color);
+    color: var(--ac-global-static-color-white-900);
+    &:hover:not([disabled]) {
+      background-color: var(--ac-global-button-primary-background-color-hover);
+    }
+  }
+  &[data-variant="danger"] {
+    background-color: var(--ac-global-button-danger-background-color);
+    border-color: var(--ac-global-button-danger-border-color);
+    color: var(--ac-global-static-color-white-900);
+    &:hover:not([disabled]) {
+      background-color: var(--ac-global-button-danger-background-color-hover);
+    }
+  }
+  &[data-variant="success"] {
+    background-color: var(--ac-global-button-success-background-color);
+    border-color: var(--ac-global-button-success-border-color);
+    color: var(--ac-global-static-color-white-900);
+    color: var(--ac-global-static-color-white-900);
+    &:hover:not([disabled]) {
+      background-color: var(--ac-global-button-success-background-color-hover);
+    }
+  }
+  &[data-variant="default"] {
+    background-color: var(--ac-global-input-field-background-color);
+    border-color: var(--ac-global-input-field-border-color);
+    &:hover:not([disabled]) {
+      background-color: var(--ac-global-input-field-border-color-hover);
+    }
+  }
+  &[data-variant="quiet"] {
+    background-color: transparent;
+    border-color: transparent;
+    &:hover:not([disabled]) {
+      border-color: transparent;
+      background-color: var(--ac-global-input-field-background-color-active);
+    }
+  }
+
+  &[data-childless="false"] > i,
+  & > .ac-spinner {
+    margin-right: var(--ac-global-dimension-static-size-50);
+  }
+`;

app/src/components/types/index.ts

@@ -1 +1,2 @@
 export * from "./sizing";
+export * from "./variance";

app/src/components/types/variance.ts

@@ -0,0 +1,12 @@
+export type BaseVariant = "primary" | "default";
+export type LevelVariant = "success" | "danger" | "info";
+
+export type Variant = BaseVariant | LevelVariant;
+
+export interface VarianceProps {
+  /**
+   * The variant of the component
+   * @default 'default'
+   */
+  variant?: Variant;
+}

app/stories/Button.stories.tsx

@@ -0,0 +1,137 @@
+import React from "react";
+import { Meta, StoryFn } from "@storybook/react";
+import { css } from "@emotion/react";
+
+import { Button as LegacyButton, Icon, Icons } from "@arizeai/components";
+
+import { Button, ButtonProps } from "@phoenix/components/button/Button";
+
+import { ThemeWrapper } from "./components/ThemeWrapper";
+
+const meta: Meta = {
+  title: "Button",
+  component: Button,
+  argTypes: {
+    label: {
+      control: {
+        type: "text",
+        default: "Label",
+      },
+    },
+    isDisabled: {
+      type: "boolean",
+    },
+    description: {
+      type: "string",
+      control: {
+        type: "text",
+      },
+    },
+    errorMessage: {
+      type: "string",
+      control: {
+        type: "text",
+      },
+    },
+    isInvalid: {
+      control: {
+        type: "boolean",
+      },
+    },
+    isRequired: {
+      control: {
+        type: "boolean",
+      },
+    },
+    menuTrigger: {
+      options: ["manual", "input", "focus"],
+      control: {
+        type: "radio",
+      },
+    },
+  },
+
+  parameters: {
+    controls: { expanded: true },
+  },
+};
+
+export default meta;
+
+const Template: StoryFn<ButtonProps> = (args) => (
+  <ThemeWrapper>
+    <Button {...args} />
+  </ThemeWrapper>
+);
+
+export const Default = Template.bind({});
+
+Default.args = {
+  children: "Button",
+};
+
+const liCSS = css`
+  display: flex;
+  flex-direction: row;
+  gap: 8px;
+  align-items: center;
+`;
+
+export const Migration = () => {
+  return (
+    <>
+      <ThemeWrapper>
+        <ul
+          css={css`
+            display: flex;
+            flex-direction: column;
+            gap: 4px;
+          `}
+        >
+          <li css={liCSS}>
+            <Button key="new" icon={<Icon svg={<Icons.PlusCircleOutline />} />}>
+              Button
+            </Button>
+            <LegacyButton
+              variant="default"
+              key="old"
+              icon={<Icon svg={<Icons.PlusCircleOutline />} />}
+            >
+              Legacy
+            </LegacyButton>
+            <Button key="new-s" size="S">
+              Button
+            </Button>
+            <LegacyButton variant="default" key="old-s" size="compact">
+              Legacy
+            </LegacyButton>
+          </li>
+          <li css={liCSS}>
+            <Button key="new" variant="primary">
+              Button
+            </Button>
+            <LegacyButton variant="primary" key="old">
+              Legacy
+            </LegacyButton>
+          </li>
+          <li css={liCSS}>
+            <Button key="new" variant="danger">
+              Button
+            </Button>
+            <LegacyButton variant="danger" key="old">
+              Legacy
+            </LegacyButton>
+          </li>
+          <li css={liCSS}>
+            <Button key="new" variant="success">
+              Button
+            </Button>
+            <LegacyButton variant="success" key="old">
+              Legacy
+            </LegacyButton>
+          </li>
+        </ul>
+      </ThemeWrapper>
+    </>
+  );
+};

app/stories/Gallery.stories.tsx

@@ -1,8 +1,14 @@
 import React from "react";
 import { Meta, StoryFn } from "@storybook/react";
 
-import { Flex, Item, Picker } from "@arizeai/components";
+import {
+  Button as LegacyButton,
+  Flex,
+  Item,
+  Picker,
+} from "@arizeai/components";
 
+import { Button } from "@phoenix/components/button/Button";
 import {
   ComboBox,
   ComboBoxItem,
@@ -23,7 +29,8 @@ export default meta;
 
 const Template: StoryFn<ComboBoxProps<object>> = () => (
   <ThemeWrapper>
-    <Flex direction="row" gap="size-200">
+    <Flex direction="row" gap="size-200" alignItems="center">
+      <Button size="S">Button</Button>
       <ComboBox label="Ice cream flavor" description={"pick a flavor"}>
         <ComboBoxItem textValue="Chocolate" key={"chocolate"}>
           Chocolate
@@ -44,6 +51,8 @@ const Template: StoryFn<ComboBoxProps<object>> = () => (
         <Item key="strawberry">Strawberry</Item>
         <Item key="vanilla">Vanilla</Item>
       </Picker>
+      <Button size="M">Button</Button>
+      <LegacyButton variant="default">Button</LegacyButton>
       <ComboBox label="Ice cream flavor" description={"pick a flavor"} size="L">
         <ComboBoxItem textValue="Chocolate" key={"chocolate"}>
           Chocolate