@atlaskit/editor-plugin-list
Version:
List plugin for @atlaskit/editor-core
77 lines (76 loc) • 2.57 kB
JavaScript
import { insertContentDeleteRange, isListNode } from '@atlaskit/editor-common/utils';
//Case for two adjacent list items with the first being of greater indentation
export const joinListItemWithParentNestedList = ({
tr,
$next,
$head
}) => {
/* CASE 4
* Initial Structure:
*
* List A {
* ListItem B {
* Paragraph C { text1 }
* ...Children D
* List E {
* ...
* List F { //May be multiple levels of lists
* ...Children G
* ListItem H { //Last node of the block
* ...Children I
* Paragraph J { text2 |$head||textInsertPos| } |childrenMInsertPos| //Cant have children since this ListItem is the last of the block
* }
* }
* ...
* |childrenOInsertPos| }
* }
* ListItem K { |$next|
* Paragraph L { text3 }
* ...Children M
* List? N {
* ...Children O
* }
* }
* }
*
* Converts to:
*
* List A {
* ListItem B {
* Paragraph C { text1 }
* ...Children D
* List E {
* ...
* List F {
* ...Children G
* ListItem H {
* ...Children I
* Paragraph J { text2text3 }
* ...Children M
* }
* }
* ...
* ...Children O
* }
* }
* }
*
*/
const listItemK = $next.parent; //List must have at least one child
if (!listItemK.firstChild || !listItemK.lastChild) {
return false;
}
const beforeListItemK = $next.before();
const afterListItemB = $next.before();
const afterListItemK = $next.after();
const containsChildrenO = isListNode(listItemK.lastChild);
const textInsertPos = $head.pos;
const childrenMInsertPos = $head.pos + 1;
const childrenOInsertPos = afterListItemB - 2;
const textContent = listItemK.firstChild.content;
const childrenMContent = containsChildrenO ? listItemK.content.cut(listItemK.firstChild.nodeSize, listItemK.nodeSize - listItemK.lastChild.nodeSize - 2 //Get the position before
) : listItemK.content.cut(listItemK.firstChild.nodeSize);
const childrenOContent = listItemK.lastChild.content;
insertContentDeleteRange(tr, tr => tr.doc.resolve(textInsertPos), containsChildrenO ? [[textContent, textInsertPos], [childrenMContent, childrenMInsertPos], [childrenOContent, childrenOInsertPos]] : [[textContent, textInsertPos], [childrenMContent, childrenMInsertPos]], [[beforeListItemK, afterListItemK]]);
return true;
};