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import { on } from '@/utils/domUtils'; |
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import { isServer } from '@/utils/is'; |
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import type { ComponentPublicInstance, DirectiveBinding, ObjectDirective } from 'vue'; |
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type DocumentHandler = <T extends MouseEvent>(mouseup: T, mousedown: T) => void; |
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type FlushList = Map< |
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HTMLElement, |
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{ |
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documentHandler: DocumentHandler; |
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bindingFn: (...args: unknown[]) => unknown; |
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} |
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>; |
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const nodeList: FlushList = new Map(); |
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let startClick: MouseEvent; |
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if (!isServer) { |
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on(document, 'mousedown', (e: Event) => (startClick = e as MouseEvent)); |
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on(document, 'mouseup', (e: Event) => { |
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for (const { documentHandler } of nodeList.values()) { |
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documentHandler(e as MouseEvent, startClick); |
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} |
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}); |
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} |
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function createDocumentHandler(el: HTMLElement, binding: DirectiveBinding): DocumentHandler { |
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let excludes: HTMLElement[] = []; |
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if (Array.isArray(binding.arg)) { |
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excludes = binding.arg; |
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} else { |
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// due to current implementation on binding type is wrong the type casting is necessary here |
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excludes.push(binding.arg as unknown as HTMLElement); |
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} |
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return function (mouseup, mousedown) { |
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const popperRef = ( |
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binding.instance as ComponentPublicInstance<{ |
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popperRef: Nullable<HTMLElement>; |
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}> |
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).popperRef; |
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const mouseUpTarget = mouseup.target as Node; |
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const mouseDownTarget = mousedown.target as Node; |
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const isBound = !binding || !binding.instance; |
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const isTargetExists = !mouseUpTarget || !mouseDownTarget; |
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const isContainedByEl = el.contains(mouseUpTarget) || el.contains(mouseDownTarget); |
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const isSelf = el === mouseUpTarget; |
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const isTargetExcluded = |
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(excludes.length && excludes.some((item) => item?.contains(mouseUpTarget))) || |
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(excludes.length && excludes.includes(mouseDownTarget as HTMLElement)); |
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const isContainedByPopper = |
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popperRef && (popperRef.contains(mouseUpTarget) || popperRef.contains(mouseDownTarget)); |
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if ( |
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isBound || |
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isTargetExists || |
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isContainedByEl || |
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isSelf || |
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isTargetExcluded || |
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isContainedByPopper |
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) { |
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return; |
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} |
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binding.value(); |
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}; |
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} |
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const ClickOutside: ObjectDirective = { |
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beforeMount(el, binding) { |
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nodeList.set(el, { |
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documentHandler: createDocumentHandler(el, binding), |
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bindingFn: binding.value, |
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}); |
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}, |
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updated(el, binding) { |
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nodeList.set(el, { |
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documentHandler: createDocumentHandler(el, binding), |
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bindingFn: binding.value, |
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}); |
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}, |
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unmounted(el) { |
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nodeList.delete(el); |
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}, |
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}; |
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export default ClickOutside; |