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mirror of https://github.com/ianstormtaylor/slate.git synced 2025-08-26 16:44:22 +02:00

Don't mutate path array, use instead a copy. (#894)

This commit is contained in:
AlbertHilb
2017-06-21 23:29:51 +02:00
committed by Ian Storm Taylor
parent 13160a97b8
commit b6fc16593e

View File

@@ -187,8 +187,8 @@ function moveNode(state, operation) {
const { path, newPath, newIndex } = operation
let { document } = state
const node = document.assertPath(path)
const index = path.pop()
const parentDepth = path.length
const index = path[path.length - 1]
const parentPath = path.slice(0, -1)
// Remove the node from its current parent
let parent = document.getParent(node.key)
@@ -196,13 +196,13 @@ function moveNode(state, operation) {
document = parent.kind === 'document' ? parent : document.updateDescendant(parent)
// Check if `parent` is an anchestor of `target`
const isAncestor = path.every((x, i) => x === newPath[i])
const isAncestor = parentPath.every((x, i) => x === newPath[i])
let target
// If `parent` ia an ancestor of `target` and they have the same depth,
// then `parent` and `target` are the same node.
if (isAncestor && parentDepth === newPath.length) {
// If `parent` is an ancestor of `target` and their paths have same length,
// then `parent` and `target` are equal.
if (isAncestor && parentPath.length === newPath.length) {
target = parent
}
@@ -210,8 +210,8 @@ function moveNode(state, operation) {
// the index of the `target` ancestor with the same depth of `node`,
// then removing `node` changes the path to `target`.
// So we have to adjust `newPath` before picking `target`.
else if (isAncestor && index < newPath[parentDepth]) {
newPath[parentDepth]--
else if (isAncestor && index < newPath[parentPath.length]) {
newPath[parentPath.length]--
target = document.assertPath(newPath)
}