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/var/www/uibuilder.cmshelp.dk/httpdocs/node_modules/react-dnd-html5-backend/src/EnterLeaveCounter.ts

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import { union, without } from './utils/js_utils.js'

type NodePredicate = (node: Node | null | undefined) => boolean

export class EnterLeaveCounter {
	private entered: any[] = []
	private isNodeInDocument: NodePredicate

public constructor(isNodeInDocument: NodePredicate) {
		this.isNodeInDocument = isNodeInDocument
	}

public enter(enteringNode: EventTarget | null): boolean {
		const previousLength = this.entered.length

const isNodeEntered = (node: Node): boolean =>
			this.isNodeInDocument(node) &&
			(!node.contains || node.contains(enteringNode as Node))

this.entered = union(this.entered.filter(isNodeEntered), [enteringNode])

return previousLength === 0 && this.entered.length > 0
	}

public leave(leavingNode: EventTarget | null): boolean {
		const previousLength = this.entered.length

this.entered = without(
			this.entered.filter(this.isNodeInDocument),
			leavingNode,
		)

return previousLength > 0 && this.entered.length === 0
	}

public reset(): void {
		this.entered = []
	}
}

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Name	Size	Perms	Modified	Actions
NativeDragSources DIR	-	drwxr-xr-x	2025-03-28 11:04:37	Edit Download recursive recursive
utils DIR	-	drwxr-xr-x	2025-03-28 11:04:37	Edit Download recursive recursive
BrowserDetector.ts	326 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
EnterLeaveCounter.ts	1018 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
getEmptyImage.ts	269 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
HTML5BackendImpl.ts	21.24 KB	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
index.ts	611 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
matchesType.ts	455 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
MonotonicInterpolant.ts	2.30 KB	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
NativeTypes.ts	150 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
OffsetUtils.ts	3.52 KB	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
OptionsReader.ts	933 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive
types.ts	249 B	lrw-r--r--	2025-03-28 11:04:37	Edit Download recursive recursive

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