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update splitListItem (https://github.com/ProseMirror/prosemirror/issues/1146)

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This commit is contained in:
Philipp Kühn
2021-07-09 10:33:57 +02:00
parent 3f733dde3c
commit b4eda709a6
1 changed files with 36 additions and 10 deletions
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46
packages/core/src/commands/splitListItem.ts
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@@ -57,14 +57,26 @@ export const splitListItem: RawCommands['splitListItem'] = typeOrName => ({
if (dispatch) { if (dispatch) {
let wrap = Fragment.empty let wrap = Fragment.empty
const keepItem = $from.index(-1) > 0 // eslint-disable-next-line
const depthBefore = $from.index(-1)
? 1
: $from.index(-2)
? 2
: 3
// Build a fragment containing empty versions of the structure // Build a fragment containing empty versions of the structure
// from the outer list item to the parent node of the cursor // from the outer list item to the parent node of the cursor
for (let d = $from.depth - (keepItem ? 1 : 2); d >= $from.depth - 3; d -= 1) { for (let d = $from.depth - depthBefore; d >= $from.depth - 3; d -= 1) {
wrap = Fragment.from($from.node(d).copy(wrap)) wrap = Fragment.from($from.node(d).copy(wrap))
} }
// eslint-disable-next-line
const depthAfter = $from.indexAfter(-1) < $from.node(-2).childCount
? 1
: $from.indexAfter(-2) < $from.node(-3).childCount
? 2
: 3
// Add a second list item with an empty default start node // Add a second list item with an empty default start node
const newNextTypeAttributes = getSplittedAttributes( const newNextTypeAttributes = getSplittedAttributes(
extensionAttributes, extensionAttributes,
@@ -72,16 +84,30 @@ export const splitListItem: RawCommands['splitListItem'] = typeOrName => ({
$from.node().attrs, $from.node().attrs,
) )
const nextType = type.contentMatch.defaultType?.createAndFill(newNextTypeAttributes) || undefined const nextType = type.contentMatch.defaultType?.createAndFill(newNextTypeAttributes) || undefined
wrap = wrap.append(Fragment.from(type.createAndFill(null, nextType) || undefined)) wrap = wrap.append(Fragment.from(type.createAndFill(null, nextType) || undefined))
tr const start = $from.before($from.depth - (depthBefore - 1))
.replace(
$from.before(keepItem ? undefined : -1), tr.replace(start, $from.after(-depthAfter), new Slice(wrap, 4 - depthBefore, 0))
$from.after(-3),
new Slice(wrap, keepItem ? 3 : 2, 2), let sel = -1
)
.setSelection(TextSelection.near(tr.doc.resolve($from.pos + (keepItem ? 3 : 2)))) tr.doc.nodesBetween(start, tr.doc.content.size, (n, pos) => {
.scrollIntoView() if (sel > -1) {
return false
}
if (n.isTextblock && n.content.size === 0) {
sel = pos + 1
}
})
if (sel > -1) {
tr.setSelection(TextSelection.near(tr.doc.resolve(sel)))
}
tr.scrollIntoView()
} }
return true return true