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import * as _ from './utils'
export class TreeWalker {
parentNode(): Node | null {
return null
}
firstChild(): Node | null {
return null
}
lastChild(): Node | null {
return null
}
previousSibling(): Node | null {
return null
}
nextSibling(): Node | null {
return null
}
previousNode(): Node | null {
return null
}
nextNode(): Node | null {
return null
}
get currentNode(): Node {
const internals = _.internalsOf<TreeWalkerInternals>(
this,
'TreeWalker',
'currentNode'
)
return internals.currentNode
}
get root(): Node {
const internals = _.internalsOf<TreeWalkerInternals>(
this,
'TreeWalker',
'root'
)
return internals.root
}
get whatToShow(): number {
const internals = _.internalsOf<TreeWalkerInternals>(
this,
'TreeWalker',
'whatToShow'
)
return internals.whatToShow
}
}
_.allowStringTag(TreeWalker)
export interface TreeWalkerInternals {
filter: NodeFilter
currentNode: Node
root: Node
whatToShow: number
}
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