63 lines
1.7 KiB
TypeScript
63 lines
1.7 KiB
TypeScript
((): void => {
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const parseClassList = (value: string | null): string[] => {
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if (!value) {
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return []
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}
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return value
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.split(' ')
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.map((entry: string): string => entry.trim())
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.filter((entry: string): boolean => entry.length > 0)
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}
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const setMenuState = (menu: HTMLElement, isOpen: boolean): void => {
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const openClasses = parseClassList(menu.getAttribute('data-dropdown-open-classes'))
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const closedClasses = parseClassList(menu.getAttribute('data-dropdown-closed-classes'))
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if (isOpen) {
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menu.classList.remove(...closedClasses)
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menu.classList.add(...openClasses)
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return
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}
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menu.classList.remove(...openClasses)
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menu.classList.add(...closedClasses)
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}
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const toggleDropdown = (): void => {
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const dropdown = document.getElementById('watchlist-dropdown')
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if (!dropdown) {
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return
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}
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const isOpen = !dropdown.classList.contains('open')
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dropdown.classList.toggle('open', isOpen)
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const menu = dropdown.querySelector('[data-dropdown-menu]')
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if (menu instanceof HTMLElement) {
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setMenuState(menu, isOpen)
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}
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}
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;(window as Window & { toggleDropdown?: () => void }).toggleDropdown = toggleDropdown
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document.addEventListener('click', (event: MouseEvent): void => {
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const dropdown = document.getElementById('watchlist-dropdown')
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if (!dropdown) {
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return
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}
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const target = event.target
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if (!(target instanceof Node)) {
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return
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}
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if (!dropdown.contains(target)) {
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dropdown.classList.remove('open')
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const menu = dropdown.querySelector('[data-dropdown-menu]')
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if (menu instanceof HTMLElement) {
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setMenuState(menu, false)
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}
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}
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})
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})()
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