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import { effect, release, overrideEffect } from "./reactivity"
import { initTree, isRoot } from "./lifecycle"
import { walk } from "./utils/walk"
let isCloning = false
export function skipDuringClone(callback) {
return (...args) => isCloning || callback(...args)
}
export function onlyDuringClone(callback) {
return (...args) => isCloning && callback(...args)
}
export function skipWalkingSubClone(callback) {
return (...args) => isCloning || callback(...args)
}
export function interuptCrawl(callback) {
return (...args) => isCloning || callback(...args)
}
export function clone(oldEl, newEl) {
newEl._x_dataStack = oldEl._x_dataStack
isCloning = true
dontRegisterReactiveSideEffects(() => {
cloneTree(newEl)
})
isCloning = false
}
export function cloneTree(el) {
let hasRunThroughFirstEl = false
let shallowWalker = (el, callback) => {
walk(el, (el, skip) => {
if (hasRunThroughFirstEl && isRoot(el)) return skip()
hasRunThroughFirstEl = true
callback(el, skip)
})
}
initTree(el, shallowWalker)
}
function dontRegisterReactiveSideEffects(callback) {
let cache = effect
overrideEffect((callback, el) => {
let storedEffect = cache(callback)
release(storedEffect)
return () => {}
})
callback()
overrideEffect(cache)
}
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