yippee.fun
Precise DOM morphing
morphing
typescript
dom
Add documentation for the options
joel.drapper.me
+71
src/morphlex.ts
+71
src/morphlex.ts
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type PairOfNodes<N extends Node> = [N, N]
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type PairOfMatchingElements<E extends Element> = Branded<PairOfNodes<E>, "MatchingElementPair">
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/**
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* Configuration options for morphing operations.
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*/
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export interface Options {
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/**
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* When `true`, preserves modified form inputs during morphing.
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* This prevents user-entered data from being overwritten.
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* @default false
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*/
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preserveModified?: boolean
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/**
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* Called before a node is visited during morphing.
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* @param fromNode The existing node in the DOM
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* @param toNode The new node to morph to
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* @returns `false` to skip morphing this node, `true` to continue
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*/
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beforeNodeVisited?: (fromNode: Node, toNode: Node) => boolean
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/**
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* Called after a node has been visited and morphed.
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* @param fromNode The morphed node in the DOM
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* @param toNode The source node that was morphed from
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*/
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afterNodeVisited?: (fromNode: Node, toNode: Node) => void
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/**
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* Called before a new node is added to the DOM.
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* @param parent The parent node where the child will be added
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* @param node The node to be added
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* @param insertionPoint The node before which the new node will be inserted, or `null` to append
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* @returns `false` to prevent adding the node, `true` to continue
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*/
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beforeNodeAdded?: (parent: ParentNode, node: Node, insertionPoint: ChildNode | null) => boolean
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/**
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* Called after a node has been added to the DOM.
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* @param node The node that was added
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*/
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afterNodeAdded?: (node: Node) => void
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/**
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* Called before a node is removed from the DOM.
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* @param node The node to be removed
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* @returns `false` to prevent removal, `true` to continue
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*/
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beforeNodeRemoved?: (node: Node) => boolean
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/**
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* Called after a node has been removed from the DOM.
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* @param node The node that was removed
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*/
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afterNodeRemoved?: (node: Node) => void
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/**
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* Called before an attribute is updated on an element.
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* @param element The element whose attribute will be updated
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* @param attributeName The name of the attribute
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* @param newValue The new value for the attribute, or `null` if being removed
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* @returns `false` to prevent the update, `true` to continue
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*/
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beforeAttributeUpdated?: (element: Element, attributeName: string, newValue: string | null) => boolean
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/**
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* Called after an attribute has been updated on an element.
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* @param element The element whose attribute was updated
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* @param attributeName The name of the attribute
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* @param previousValue The previous value of the attribute, or `null` if it didn't exist
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*/
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afterAttributeUpdated?: (element: Element, attributeName: string, previousValue: string | null) => void
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/**
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* Called before an element's children are visited during morphing.
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* @param parent The parent node whose children will be visited
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* @returns `false` to skip visiting children, `true` to continue
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*/
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beforeChildrenVisited?: (parent: ParentNode) => boolean
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/**
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* Called after an element's children have been visited and morphed.
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* @param parent The parent node whose children were visited
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*/
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afterChildrenVisited?: (parent: ParentNode) => void
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}
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