Files
HMDesign/src/components/collapsible.stories.tsx
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TypeScript

import { useState, type ReactNode } from "react"
import type { Meta, StoryObj } from "@storybook/react-vite"
import { ChevronDownIcon } from "lucide-react"
import { Button, Collapsible, CollapsibleContent, CollapsibleTrigger } from "@hm-design/ui"
import { StateBoard } from "@/components/story-board"
import { STORY_KICKER, StoryPage, StoryPageHeader, StorySection } from "@/components/story-page"
// The representative "Collapsible" Story shows one independent disclosure per state with real, clickable triggers. The same
// sections also exist as Stories tagged `verification` (hidden from the sidebar). Collapsible is a single disclosure: no divider
// system and no animation.
const longText = "긴 텍스트는 줄바꿈으로 전체를 표시합니다. 공백 없는 긴 문자열도 너비를 밀어내지 않고 줄바꿈합니다. ".repeat(6)
const narrow = (children: ReactNode) => <div className="w-full max-w-md">{children}</div>
function Frame({ label, defaultOpen, disabled, children }: { label: string; defaultOpen?: boolean; disabled?: boolean; children: ReactNode }) {
return narrow(
<Collapsible defaultOpen={defaultOpen} disabled={disabled}>
<CollapsibleTrigger>
{label}
<ChevronDownIcon aria-hidden />
</CollapsibleTrigger>
<CollapsibleContent>{children}</CollapsibleContent>
</Collapsible>
)
}
const ClosedSpecimen = () => <Frame label="고급 설정 보기">추가 옵션이 여기에 표시됩니다.</Frame>
const OpenSpecimen = () => (
<Frame label="고급 설정 보기" defaultOpen>
처음부터 열려 있는 영역입니다.
</Frame>
)
const DisabledSpecimen = () => (
<Frame label="비활성 영역" disabled>
열 수 없습니다.
</Frame>
)
const LongSpecimen = () => (
<Frame label="긴 콘텐츠" defaultOpen>
<p>{longText}</p>
<p className="mt-2">AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA</p>
</Frame>
)
// Controlled: the parent owns `open`; an HM Button is the trigger through asChild and keeps its style.
function ControlledSpecimen() {
const [open, setOpen] = useState(false)
return narrow(
<Collapsible open={open} onOpenChange={setOpen}>
<CollapsibleTrigger asChild>
<Button variant="primary" appearance="outline">
{open ? "접기" : "펼치기"}
</Button>
</CollapsibleTrigger>
<CollapsibleContent>{`controlled: open = ${String(open)}`}</CollapsibleContent>
</Collapsible>
)
}
const sections = [
{ id: "closed", label: "Closed", node: <ClosedSpecimen /> },
{ id: "open", label: "Open", node: <OpenSpecimen /> },
{ id: "disabled", label: "Disabled", node: <DisabledSpecimen /> },
{ id: "long", label: "Long Content", node: <LongSpecimen /> },
{ id: "controlled", label: "Controlled + Button trigger", note: "asChild: Button이 trigger이며 HM Button 스타일 유지", node: <ControlledSpecimen /> },
]
const meta = { title: "Components/Disclosure/Collapsible", component: Collapsible, parameters: { layout: "padded" } } satisfies Meta<typeof Collapsible>
export default meta
type Story = StoryObj<typeof meta>
const board = (...ids: string[]) => (
<StateBoard min={360} states={sections.filter((s) => ids.includes(s.id)).map((s) => ({ id: s.id, label: s.label, note: s.note, children: s.node }))} />
)
// Representative Story: the common Story page; the sections group the same specimens.
export const All: Story = {
name: "Collapsible",
parameters: { layout: "fullscreen", controls: { disable: true } },
render: () => (
<StoryPage>
<StoryPageHeader
kicker={STORY_KICKER.components}
title="Collapsible"
description="하나의 영역을 펼치고 접는 단일 disclosure입니다. 구분선 체계와 애니메이션은 없습니다."
/>
<StorySection title="Overview">{board("closed")}</StorySection>
<StorySection title="States">{board("open", "disabled")}</StorySection>
<StorySection title="Usage" description="긴 콘텐츠와, Button을 trigger로 쓰는 제어형 조합입니다.">{board("long", "controlled")}</StorySection>
</StoryPage>
),
}
export const Closed: Story = { tags: ["verification"], render: () => <ClosedSpecimen /> }
export const Open: Story = { tags: ["verification"], render: () => <OpenSpecimen /> }
export const Disabled: Story = { tags: ["verification"], render: () => <DisabledSpecimen /> }
export const LongContent: Story = { tags: ["verification"], name: "Long Content", render: () => <LongSpecimen /> }