Add AlphaSpinner component (#2237)

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## Self Checklist

- [x] I wrote a PR title in **English** and added an appropriate
**label** to the PR.
- [x] I wrote the commit message in **English** and to follow [**the
Conventional Commits
specification**](https://www.conventionalcommits.org/en/v1.0.0/).
- [x] I [added the
**changeset**](https://github.com/changesets/changesets/blob/main/docs/adding-a-changeset.md)
about the changes that needed to be released. (or didn't have to)
- [x] I wrote or updated **documentation** related to the changes. (or
didn't have to)
- [x] I wrote or updated **tests** related to the changes. (or didn't
have to)
- [x] I tested the changes in various browsers. (or didn't have to)
  - Windows: Chrome, Edge, (Optional) Firefox
  - macOS: Chrome, Edge, Safari, (Optional) Firefox

## Related Issue

<!-- Please link to issue if one exists -->

<!-- Fixes #0000 -->

- Fixes #2236

## Summary

<!-- Please brief explanation of the changes made -->

- `AlphaSpinner` 컴포넌트를 구현합니다. 

## Details

<!-- Please elaborate description of the changes -->

- 기존의 `Spinner` 컴포넌트와 다르게 곡선의 끝부분이 둥글게 디자인되어 있어서 border속성을 이용해서 구현하기가
어려웠습니다. 그래서 `circle` 엘리먼트를 2개 만들고 Indicator에 해당하는 곡선의 stroke-dasharray
속성을 조절하는 것으로 구현했습니다.
- 버튼 컴포넌트 안에서 `AlphaSpinner`를 사용해야 하는데, 버튼의 아이콘 크기에 맞게 크기를 조절을 해야합니다. 약간
고민이 필요해보여 후속 pr로 작업하겠습니다.

### Breaking change? (Yes/No)

<!-- If Yes, please describe the impact and migration path for users -->

- No

## References

<!-- Please list any other resources or points the reviewer should be
aware of -->

-
[스펙(internal)](https://www.notion.so/Spinner-e1e30e3fdcb14a3ba94b900d24e0d58e?d=85604f3bca254e758c57c5949412d470&pvs=5#b887eb2d1ad843458f0ba2a90eee430e)
-
[디자인(internal)](https://www.figma.com/design/KyhPPZeeC0JBmTclJGe3nn/Status?node-id=6%3A69&t=eqYaVwNelOoBo1zv-1)
- 참고한 구현방식: https://atlassian.design/components/spinner/examples

.changeset/sweet-knives-divide.md

@@ -0,0 +1,5 @@
+---
+"@channel.io/bezier-react": patch
+---
+
+Add `AlphaSpinner` component

packages/bezier-react/src/components/AlphaSpinner/AlphaSpinner.stories.tsx

@@ -0,0 +1,23 @@
+import React from 'react'
+
+import { type Meta, type StoryFn } from '@storybook/react'
+
+import { Spinner } from './Spinner'
+import { type SpinnerProps } from './Spinner.types'
+
+const meta: Meta<typeof Spinner> = {
+  component: Spinner,
+}
+
+export default meta
+
+const Template: StoryFn<SpinnerProps> = ({ ...args }) => <Spinner {...args} />
+
+export const Primary = {
+  render: Template,
+
+  args: {
+    size: 'm',
+    variant: 'secondary',
+  },
+}

packages/bezier-react/src/components/AlphaSpinner/Spinner.module.scss

@@ -0,0 +1,66 @@
+@use '../../styles/mixins/dimension';
+
+@keyframes rotate {
+  0% {
+    transform: rotate(0deg);
+  }
+
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
+.Spinner {
+  --b-spinner-size: initial;
+  --b-spinner-track-color: initial;
+  --b-spinner-indicator-color: initial;
+  --b-spinner-stroke-width: initial;
+  --b-spinner-stroke-dasharray: initial;
+
+  @include dimension.square(var(--b-spinner-size));
+
+  display: inline-flex;
+  animation: rotate 1s linear infinite;
+
+  & .track {
+    fill: none;
+    stroke: var(--b-spinner-track-color);
+    stroke-linecap: round;
+    stroke-width: var(--b-spinner-stroke-width);
+  }
+
+  & .indicator {
+    fill: none;
+    stroke: var(--b-spinner-indicator-color);
+    stroke-dasharray: var(--b-spinner-stroke-dasharray);
+    stroke-linecap: round;
+    stroke-width: var(--b-spinner-stroke-width);
+  }
+
+  &:where(.size-s) {
+    --b-spinner-size: 28px;
+    --b-spinner-stroke-width: 4px;
+    --b-spinner-stroke-dasharray: 40 9999;
+  }
+
+  &:where(.size-m) {
+    --b-spinner-size: 50px;
+    --b-spinner-stroke-width: 6px;
+    --b-spinner-stroke-dasharray: 60 9999;
+  }
+
+  &:where(.variant-primary) {
+    --b-spinner-track-color: var(--alpha-color-primary-bg-lightest);
+    --b-spinner-indicator-color: var(--alpha-color-fg-blue-normal);
+  }
+
+  &:where(.variant-secondary) {
+    --b-spinner-track-color: var(--alpha-color-bg-black-light);
+    --b-spinner-indicator-color: var(--alpha-color-fg-black-light);
+  }
+
+  &:where(.variant-on-overlay) {
+    --b-spinner-track-color: var(--alpha-color-bg-absolute-white-lightest);
+    --b-spinner-indicator-color: var(--alpha-color-fg-absolute-white-light);
+  }
+}

packages/bezier-react/src/components/AlphaSpinner/Spinner.test.tsx

@@ -0,0 +1,34 @@
+import React from 'react'
+
+import { render } from '~/src/utils/test'
+
+import { SPINNER_TEST_ID, Spinner } from './Spinner'
+
+describe('Spinner >', () => {
+  const renderSpinner = (props?: React.ComponentProps<typeof Spinner>) =>
+    render(<Spinner {...props} />)
+
+  it('should render', () => {
+    const { getByTestId } = renderSpinner()
+    const renderedSpinner = getByTestId(SPINNER_TEST_ID)
+    expect(renderedSpinner).toBeInTheDocument()
+  })
+
+  it('should render as a span element by default', () => {
+    const { getByTestId } = renderSpinner()
+    const renderedSpinner = getByTestId(SPINNER_TEST_ID)
+    expect(renderedSpinner.tagName).toBe('SPAN')
+  })
+
+  it('should forward ref', () => {
+    const ref = React.createRef<HTMLDivElement>()
+    renderSpinner({ ref })
+    expect(ref.current).toBeInTheDocument()
+  })
+
+  it('should receive size', () => {
+    const { getByTestId } = renderSpinner({ size: 'm' })
+    const renderedSpinner = getByTestId(SPINNER_TEST_ID)
+    expect(renderedSpinner).toHaveClass('size-m')
+  })
+})

packages/bezier-react/src/components/AlphaSpinner/Spinner.tsx

@@ -0,0 +1,50 @@
+import React, { forwardRef } from 'react'
+
+import classNames from 'classnames'
+
+import { type SpinnerProps } from './Spinner.types'
+
+import styles from './Spinner.module.scss'
+
+export const SPINNER_TEST_ID = 'bezier-spinner'
+
+export const Spinner = forwardRef<HTMLSpanElement, SpinnerProps>(
+  function Spinner(
+    { className, size, variant = 'secondary', ...rest },
+    forwardedRef
+  ) {
+    return (
+      <span
+        className={classNames(
+          styles.Spinner,
+          size && styles[`size-${size}`],
+          styles[`variant-${variant}`]
+        )}
+        ref={forwardedRef}
+        data-testid={SPINNER_TEST_ID}
+        {...rest}
+      >
+        <svg
+          xmlns="http://www.w3.org/2000/svg"
+          viewBox="0 0 16 16"
+        >
+          <circle
+            cx="8"
+            cy="8"
+            r="7"
+            className={styles.track}
+            vectorEffect="non-scaling-stroke"
+          />
+
+          <circle
+            cx="8"
+            cy="8"
+            r="7"
+            className={styles.indicator}
+            vectorEffect="non-scaling-stroke"
+          />
+        </svg>
+      </span>
+    )
+  }
+)

packages/bezier-react/src/components/AlphaSpinner/Spinner.types.ts

@@ -0,0 +1,21 @@
+import {
+  type BezierComponentProps,
+  type ColorProps,
+  type SizeProps,
+} from '~/src/types/props'
+
+type SpinnerSize = 's' | 'm'
+
+interface SpinnerOwnProps {
+  /**
+   * The style variant of Spinner.
+   * @default 'secondary'
+   */
+  variant?: 'primary' | 'secondary' | 'on-overlay'
+}
+
+export interface SpinnerProps
+  extends Omit<BezierComponentProps<'span'>, keyof ColorProps>,
+    SizeProps<SpinnerSize>,
+    ColorProps,
+    SpinnerOwnProps {}

packages/bezier-react/src/components/AlphaSpinner/index.ts

@@ -0,0 +1,2 @@
+export { Spinner as AlphaSpinner } from './Spinner'
+export { type SpinnerProps as AlphaSpinnerProps } from './Spinner.types'

packages/bezier-react/src/index.ts

@@ -12,6 +12,7 @@ export * from '~/src/components/AlphaDialogPrimitive'
 export * from '~/src/components/AlphaFloatingButton'
 export * from '~/src/components/AlphaFloatingIconButton'
 export * from '~/src/components/AlphaIconButton'
+export * from '~/src/components/AlphaSpinner'
 export * from '~/src/components/AlphaTooltipPrimitive'
 export * from '~/src/components/AppProvider'
 export * from '~/src/components/AutoFocus'