chore: merge blocksuite source code (#9213)

blocksuite/affine/block-list/src/commands/utils.ts

@@ -0,0 +1,70 @@
+import type { ListBlockModel } from '@blocksuite/affine-model';
+import {
+  getNextContinuousNumberedLists,
+  matchFlavours,
+} from '@blocksuite/affine-shared/utils';
+import type { BlockModel, Doc } from '@blocksuite/store';
+
+/**
+ * correct target is a numbered list, which is divided into two steps:
+ * 1. check if there is a numbered list before the target list. If so, adjust the order of the target list
+ *    to the order of the previous list plus 1, otherwise set the order to 1
+ * 2. find continuous lists starting from the target list and keep their order continuous
+ */
+export function correctNumberedListsOrderToPrev(
+  doc: Doc,
+  modelOrId: BlockModel | string,
+  transact = true
+) {
+  const model =
+    typeof modelOrId === 'string' ? doc.getBlock(modelOrId)?.model : modelOrId;
+
+  if (!model) return;
+
+  if (
+    !matchFlavours(model, ['affine:list']) ||
+    model.type$.value !== 'numbered'
+  ) {
+    return;
+  }
+
+  const fn = () => {
+    // step 1
+    const previousSibling = doc.getPrev(model);
+    if (
+      previousSibling &&
+      matchFlavours(previousSibling, ['affine:list']) &&
+      previousSibling.type === 'numbered'
+    ) {
+      if (!previousSibling.order) previousSibling.order = 1;
+      model.order = previousSibling.order + 1;
+    } else {
+      model.order = 1;
+    }
+
+    // step 2
+    let base = model.order + 1;
+    const continuousNumberedLists = getNextContinuousNumberedLists(doc, model);
+    continuousNumberedLists.forEach(list => {
+      list.order = base;
+      base++;
+    });
+  };
+
+  if (transact) {
+    doc.transact(fn);
+  } else {
+    fn();
+  }
+}
+
+export function correctListOrder(doc: Doc, model: ListBlockModel) {
+  // old numbered list has no order
+  if (model.type === 'numbered' && !Number.isInteger(model.order)) {
+    correctNumberedListsOrderToPrev(doc, model, false);
+  }
+  // if list is not numbered, order should be null
+  if (model.type !== 'numbered') {
+    model.order = null;
+  }
+}