feat #190 - Accordion Component

Closes #190

src/components/Accordion/Accordion.stories.tsx

@@ -0,0 +1,37 @@
+import React from 'react'
+import { Accordion, AccordionProps, Panel } from './index'
+import { Meta, Story } from '@storybook/react/types-6-0'
+
+const mockPanels: Panel[] = [
+	{ content: 'Content1', key: 1, title: 'Title 1' },
+	{ content: 'Content2', key: 2, title: 'Title 2' },
+	{ content: 'Content3', key: 3, title: 'Title 3' }
+]
+
+export default {
+	argTypes: {
+		panels: { control: { disable: true } }
+	},
+	component: Accordion,
+	parameters: {
+		// disabled because shallow rendering doesn't work with decorator and hook inside decorator.
+		storyshots: { disable: true }
+	},
+	title: 'Accordion'
+} as Meta
+
+const Template: Story<AccordionProps> = args => (
+	<Accordion {...args} panels={mockPanels} />
+)
+
+export const Default = Template.bind({})
+
+export const Exclusive = Template.bind({})
+Exclusive.args = {
+	exclusive: true
+}
+
+export const ExpandAll = Template.bind({})
+ExpandAll.args = {
+	expandAllOnMount: true
+}

src/components/Accordion/CollapseButton.tsx

@@ -0,0 +1,21 @@
+import { faChevronDown } from '@fortawesome/free-solid-svg-icons'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { motion } from 'framer-motion'
+import React, { FC } from 'react'
+
+interface CollapseButtonProps {
+	isCollapsed: boolean
+}
+
+export const CollapseButton: FC<CollapseButtonProps> = ({
+	isCollapsed
+}: CollapseButtonProps) => (
+	<motion.div
+		animate={{
+			rotate: isCollapsed ? 0 : 180
+		}}
+		whileHover={{ scale: 1.1 }}
+	>
+		<FontAwesomeIcon icon={faChevronDown} />
+	</motion.div>
+)

src/components/Accordion/PanelContent.tsx

@@ -0,0 +1,46 @@
+import { createUseStyles } from 'react-jss'
+import { styleguide } from '../assets/styles'
+import { AnimatePresence, motion } from 'framer-motion'
+import React, { FC, ReactNode } from 'react'
+
+const { spacing } = styleguide
+
+const useStyles = createUseStyles({
+	content: {
+		paddingTop: spacing.s
+	}
+})
+
+interface PanelContentProps {
+	children: ReactNode
+	isActive: boolean
+}
+
+export const PanelContent: FC<PanelContentProps> = ({
+	children,
+	isActive
+}: PanelContentProps) => {
+	const classes = useStyles()
+
+	return (
+		<AnimatePresence initial={false}>
+			{isActive && (
+				<motion.section
+					animate='open'
+					exit='collapsed'
+					initial='collapsed'
+					transition={{
+						duration: 0.8,
+						ease: [0.04, 0.62, 0.23, 0.98]
+					}}
+					variants={{
+						collapsed: { height: 0, opacity: 0 },
+						open: { height: 'auto', opacity: 1 }
+					}}
+				>
+					<div className={classes.content}>{children}</div>
+				</motion.section>
+			)}
+		</AnimatePresence>
+	)
+}

src/components/Accordion/index.tsx

@@ -0,0 +1,107 @@
+import { CollapseButton } from './CollapseButton'
+import { createUseStyles } from 'react-jss'
+import { generateAccordionPanelStyles } from './utils'
+import { PanelContent } from './PanelContent'
+import React, { FC, Key, ReactNode, useState } from 'react'
+import { styleguide, themes, ThemeType } from '../assets/styles'
+
+const { flexSpaceBetween, font } = styleguide
+const { dark, light } = ThemeType
+
+const useStyles = createUseStyles({
+	header: {
+		...font.bodyLarge,
+		...flexSpaceBetween,
+		cursor: 'pointer'
+	},
+	panel: generateAccordionPanelStyles(light),
+	title: {
+		color: themes[light].primary
+	},
+	// eslint-disable-next-line sort-keys
+	'@global': {
+		[`.${dark}`]: {
+			'& $panel': generateAccordionPanelStyles(dark),
+			'& $title': { color: themes[dark].state.hover }
+		}
+	}
+})
+
+export interface Panel {
+	content: ReactNode
+	key: Key
+	title: string
+}
+
+interface SharedAccordionProps {
+	defaultActiveKey?: Key
+	panels: Panel[]
+}
+
+interface ExclusiveAccordionProps extends SharedAccordionProps {
+	exclusive: true
+	expandAllOnMount?: never
+}
+
+interface NonExclusiveAccordionProps extends SharedAccordionProps {
+	exclusive: false
+	expandAllOnMount?: boolean
+}
+
+export type AccordionProps =
+	| ExclusiveAccordionProps
+	| NonExclusiveAccordionProps
+
+export const Accordion: FC<AccordionProps> = ({
+	defaultActiveKey,
+	exclusive = false,
+	expandAllOnMount = false,
+	panels
+}: AccordionProps) => {
+	const getInitialActiveKeys = () => {
+		const defaultActiveKeys: Key[] = [panels[0].key]
+
+		if (defaultActiveKey) return [defaultActiveKey]
+		else if (expandAllOnMount) return panels.map(({ key }) => key)
+
+		return defaultActiveKeys
+	}
+
+	const [activeKeys, setActiveKeys] = useState<Key[]>(getInitialActiveKeys())
+	const classes = useStyles()
+
+	const togglePanel = (panelKey: Key) => {
+		let newActiveKeys = [...activeKeys, panelKey]
+
+		// Close panel if it is open
+		if (activeKeys.includes(panelKey))
+			newActiveKeys = activeKeys.filter(key => panelKey !== key)
+		// If accordion is exclusive, only one panel can be open at a time
+		else if (exclusive) newActiveKeys = [panelKey]
+
+		setActiveKeys(newActiveKeys)
+	}
+
+	return (
+		<div>
+			{panels.map(({ content, key, title }) => {
+				const isActivePanel = activeKeys.includes(key)
+
+				return (
+					<div className={classes.panel} key={key}>
+						<div
+							className={classes.header}
+							onClick={() => togglePanel(key)}
+						>
+							<div className={classes.title}>{title}</div>
+							<CollapseButton isCollapsed={!isActivePanel} />
+						</div>
+						<PanelContent isActive={isActivePanel}>
+							{content}
+						</PanelContent>
+					</div>
+				)
+			})}
+		</div>
+	)
+}

src/components/Accordion/utils.ts

@@ -0,0 +1,18 @@
+import { styleguide, themedStyles, ThemeType } from '../assets/styles'
+
+const { spacing } = styleguide
+
+export const generateAccordionPanelStyles = (themeType: ThemeType) => {
+	const { base } = themedStyles[themeType]
+
+	const borderStyles = `1px solid ${base.borderColor}`
+
+	return {
+		'&:first-of-type': {
+			borderTop: borderStyles
+		},
+		borderBottom: borderStyles,
+		color: base.color,
+		padding: spacing.m
+	}
+}

src/components/NotificationV2/utils.ts

@@ -1,14 +1,13 @@
 import { ev as NotificationTypes } from '@dassana-io/web-utils'
 import omit from 'lodash/omit'
-import { styleguide } from 'components/assets/styles'
 import { v4 as uuidV4 } from 'uuid'
 import {
 	faCheckCircle,
 	faExclamationCircle,
 	faExclamationTriangle,
 	faTimesCircle
 } from '@fortawesome/free-solid-svg-icons'
-import { themedStyles, themes, ThemeType } from '../assets/styles/themes'
+import { styleguide, themedStyles, themes, ThemeType } from '../assets/styles'
 import { useCallback, useState } from 'react'
 
 const { borderRadius, flexSpaceBetween, spacing } = styleguide

src/components/index.ts

@@ -1,3 +1,4 @@
+export * from './Accordion'
 export * from './Avatar'
 export * from './assets/styles'
 export * from './Button'