Imple Divider Component

src/components/Divider/Divider.module.css

@@ -0,0 +1,16 @@
+.divider {
+  width: var(--width);
+  min-width: var(--min-width);
+  max-width: var(--max-width);
+  height: 1px;
+  margin: var(--margin-top) var(--margin-right) var(--margin-bottom) var(--margin-left);
+  border: none;
+}
+
+.divider.gray {
+  background-color: var(--color-border);
+}
+
+.divider.primary {
+  background-color: var(--color-primary);
+}

src/components/Divider/Divider.spec.tsx

@@ -0,0 +1,42 @@
+import { render, screen } from '@testing-library/react';
+import { Divider } from './Divider';
+
+describe('<Divider>', () => {
+  it('receives date attribute', async () => {
+    render(<Divider data-testid="divider" />);
+    const divider = screen.getByTestId('divider');
+
+    expect(divider).toBeInTheDocument();
+  });
+
+  it('receives max-width', async () => {
+    render(<Divider data-testid="divider" maxWidth="400px" />);
+    const divider = screen.getByTestId('divider');
+
+    expect(divider).toHaveStyle('--max-width: 400px');
+  });
+
+  it('receives min-width', async () => {
+    render(<Divider data-testid="divider" minWidth="400px" />);
+    const divider = screen.getByTestId('divider');
+
+    expect(divider).toHaveStyle('--min-width: 400px');
+  });
+
+  it('receives width', async () => {
+    render(<Divider data-testid="divider" width="400px" />);
+    const divider = screen.getByTestId('divider');
+
+    expect(divider).toHaveStyle('--width: 400px');
+  });
+
+  it('receives margins', async () => {
+    render(<Divider data-testid="divider" mt="xxs" mr="xs" mb="sm" ml="md" />);
+    const divider = screen.getByTestId('divider');
+
+    expect(divider).toHaveStyle('--margin-top: var(--size-spacing-xxs)');
+    expect(divider).toHaveStyle('--margin-right: var(--size-spacing-xs)');
+    expect(divider).toHaveStyle('--margin-bottom: var(--size-spacing-sm)');
+    expect(divider).toHaveStyle('--margin-left: var(--size-spacing-md)');
+  });
+});

src/components/Divider/Divider.stories.tsx

@@ -0,0 +1,51 @@
+import { Meta, StoryObj } from '@storybook/react';
+import { ComponentPropsWithoutRef } from 'react';
+import { Divider } from './Divider';
+import { Stack } from '../Stack/Stack';
+
+export default {
+  component: Divider,
+} satisfies Meta<typeof Divider>;
+
+type Props = ComponentPropsWithoutRef<typeof Divider>;
+
+const defaultArgs: Props = {
+  border: 'gray',
+};
+
+type Story = StoryObj<typeof Divider>;
+
+export const Default: Story = {
+  render: (args) => <Divider {...args} />,
+  args: defaultArgs,
+};
+
+export const BorderVariants: Story = {
+  render: () => {
+    return (
+      <Stack spacing="md">
+        <Divider border="gray" />
+        <Divider border="primary" />
+      </Stack>
+    );
+  },
+};
+
+export const Margins: Story = {
+  render: (args) => <Divider {...args} />,
+  args: {
+    ...defaultArgs,
+    mt: 'md',
+    mr: 'lg',
+    mb: 'xl',
+    ml: 'xxl',
+  },
+};
+
+export const Width: Story = {
+  render: (args) => <Divider {...args} />,
+  args: {
+    ...defaultArgs,
+    width: '50%',
+  },
+};

src/components/Divider/Divider.tsx

@@ -0,0 +1,48 @@
+'use client';
+
+import { clsx } from 'clsx';
+import { forwardRef, type HTMLAttributes } from 'react';
+import styles from './Divider.module.css';
+import { MarginProps, WidthProps } from '../../types/style';
+import { marginVariables, widthVariables } from '../../utils/style';
+
+type AllowedHRAttributes = Omit<HTMLAttributes<HTMLHRElement>, 'className'>;
+
+type Props = {
+  /**
+   * ボーダーの種類
+   */
+  border?: 'gray' | 'primary';
+} & WidthProps &
+  MarginProps &
+  AllowedHRAttributes;
+
+export const Divider = forwardRef<HTMLHRElement, Props>(
+  ({ border = 'gray', m, mx, my, mt, mr, mb, ml, width, minWidth, maxWidth, ...rest }, ref) => {
+    return (
+      <hr
+        className={clsx(styles.divider, styles[border])}
+        style={{
+          ...marginVariables({
+            m,
+            mx,
+            my,
+            mt,
+            mr,
+            mb,
+            ml,
+          }),
+          ...widthVariables({
+            width,
+            minWidth,
+            maxWidth,
+          }),
+        }}
+        ref={ref}
+        {...rest}
+      />
+    );
+  },
+);
+
+Divider.displayName = 'Divider';

src/components/FlexItem/FlexItem.tsx

@@ -3,9 +3,8 @@
 import { clsx } from 'clsx';
 import { CSSProperties, forwardRef, type PropsWithChildren, type HTMLAttributes } from 'react';
 import styles from './FlexItem.module.css';
-import { MarginProps, PaddingProps } from '../../types/style';
+import { CSSWitdh, MarginProps, PaddingProps, WidthProps } from '../../types/style';
 import { marginVariables, paddingVariables } from '../../utils/style';
-import { CSSWitdh, CSSMaxWidth, CSSMinWidth } from '../../utils/types';
 
 type FlexProperty = {
   grow?: number;
@@ -21,17 +20,8 @@ type Props = {
    * @defaultValue none
    */
   flex?: 'none' | FlexProperty;
-  /**
-   * 最小幅
-   * @defaultValue auto
-   */
-  minWidth?: CSSMinWidth;
-  /**
-   * 最大幅
-   * @defaultValue none
-   */
-  maxWidth?: CSSMaxWidth;
-} & MarginProps &
+} & Omit<WidthProps, 'width'> &
+  MarginProps &
   PaddingProps &
   AllowedDivAttributes;
 

src/index.ts

@@ -5,6 +5,7 @@ export { Box } from './components/Box/Box';
 export { Button } from './components/Button/Button';
 export { ButtonCard } from './components/ButtonCard/ButtonCard';
 export { Center } from './components/Center/Center';
+export { Divider } from './components/Divider/Divider';
 export { Heading } from './components/Heading/Heading';
 export { LinkButton } from './components/Button/LinkButton';
 export { ErrorMessage } from './components/ErrorMessage/ErrorMessage';

src/types/style.ts

@@ -128,3 +128,88 @@ export type RadiusProp = {
 };
 
 export type BackgroundColor = 'primary' | 'primaryDarken' | 'accent' | 'accentDarken' | 'alert' | 'gray' | 'white';
+
+export type CSSVariable = `var(--${string})`;
+
+// ref: https://developer.mozilla.org/en-US/docs/Web/CSS/flex-basis
+export type CSSLength =
+  | `${string}cap`
+  | `${string}ch`
+  | `${string}em`
+  | `${string}ex`
+  | `${string}ic`
+  | `${string}lh`
+  | `${string}rcap`
+  | `${string}rem`
+  | `${string}rex`
+  | `${string}ric`
+  | `${string}rlh`
+  | `${string}vh`
+  | `${string}vmax`
+  | `${string}vmin`
+  | `${string}vw`
+  | `${string}vb`
+  | `${string}vi`
+  | `${string}cqw`
+  | `${string}cqh`
+  | `${string}cqi`
+  | `${string}cqb`
+  | `${string}cqmin`
+  | `${string}cqmax`
+  | `${string}px`
+  | `${string}cm`
+  | `${string}mm`
+  | `${string}q`
+  | `${string}in`
+  | `${string}pc`
+  | `${string}pt`;
+
+export type CSSPercentage = `${string}%`;
+
+export type CSSLengthPercentage = CSSLength | CSSPercentage;
+
+export type CSSWitdh =
+  | CSSLength
+  | CSSPercentage
+  | 'auto'
+  | 'fit-content'
+  | `fit-content(${CSSLengthPercentage})`
+  | 'min-content'
+  | 'max-content'
+  | CSSVariable;
+
+export type CSSMaxWidth =
+  | 'none'
+  | CSSLengthPercentage
+  | 'min-content'
+  | 'max-content'
+  | 'fit-content'
+  | `fit-content(${CSSLengthPercentage})`
+  | CSSVariable;
+
+export type CSSMinWidth =
+  | 'auto'
+  | CSSLengthPercentage
+  | 'min-content'
+  | 'max-content'
+  | 'fit-content'
+  | `fit-content(${CSSLengthPercentage})`
+  | CSSVariable;
+
+export type WidthProps = {
+  /**
+   * 幅を指定
+   * @default 'auto'
+   */
+  width?: CSSWitdh;
+  /**
+   * 最小幅
+   * @default 'auto'
+   */
+  minWidth?: CSSMinWidth;
+  /**
+   * 最大幅
+   * @default 'none'
+   */
+  maxWidth?: CSSMaxWidth;
+};

src/utils/style.ts

@@ -13,6 +13,9 @@ import type {
   HeadingLeading,
   TagLeading,
   TextColor,
+  CSSMinWidth,
+  CSSMaxWidth,
+  CSSWitdh,
 } from '../types/style';
 import type { CSSProperties } from 'react';
 
@@ -239,3 +242,19 @@ export const gapVariables = (spacing?: Spacing) => {
     '--gap': spacing ? `var(--size-spacing-${spacing})` : '0',
   } as CSSProperties;
 };
+
+export const widthVariables = ({
+  width = 'auto',
+  minWidth = 'auto',
+  maxWidth = 'none',
+}: {
+  width?: CSSWitdh;
+  minWidth?: CSSMinWidth;
+  maxWidth?: CSSMaxWidth;
+}) => {
+  return {
+    '--width': width,
+    '--min-width': minWidth,
+    '--max-width': maxWidth,
+  } as CSSProperties;
+};

src/utils/types.ts

@@ -4,70 +4,3 @@ export type AllOrNone<T> = T | Partial<Record<keyof T, undefined>>;
 export type DistributiveOmit<T, TOmitted extends PropertyKey> = T extends any ? Omit<T, TOmitted> : never;
 
 export type HTMLTagname = keyof HTMLElementTagNameMap;
-
-export type CSSVariable = `var(--${string})`;
-
-// ref: https://developer.mozilla.org/en-US/docs/Web/CSS/flex-basis
-export type CSSLength =
-  | `${string}cap`
-  | `${string}ch`
-  | `${string}em`
-  | `${string}ex`
-  | `${string}ic`
-  | `${string}lh`
-  | `${string}rcap`
-  | `${string}rem`
-  | `${string}rex`
-  | `${string}ric`
-  | `${string}rlh`
-  | `${string}vh`
-  | `${string}vmax`
-  | `${string}vmin`
-  | `${string}vw`
-  | `${string}vb`
-  | `${string}vi`
-  | `${string}cqw`
-  | `${string}cqh`
-  | `${string}cqi`
-  | `${string}cqb`
-  | `${string}cqmin`
-  | `${string}cqmax`
-  | `${string}px`
-  | `${string}cm`
-  | `${string}mm`
-  | `${string}q`
-  | `${string}in`
-  | `${string}pc`
-  | `${string}pt`;
-
-export type CSSPercentage = `${string}%`;
-
-export type CSSLengthPercentage = CSSLength | CSSPercentage;
-
-export type CSSWitdh =
-  | CSSLength
-  | CSSPercentage
-  | 'auto'
-  | 'fit-content'
-  | `fit-content(${CSSLengthPercentage})`
-  | 'min-content'
-  | 'max-content'
-  | CSSVariable;
-
-export type CSSMaxWidth =
-  | 'none'
-  | CSSLengthPercentage
-  | 'min-content'
-  | 'max-content'
-  | 'fit-content'
-  | `fit-content(${CSSLengthPercentage})`
-  | CSSVariable;
-
-export type CSSMinWidth =
-  | 'auto'
-  | CSSLengthPercentage
-  | 'min-content'
-  | 'max-content'
-  | 'fit-content'
-  | `fit-content(${CSSLengthPercentage})`
-  | CSSVariable;