leaflet.pub
a tool for shared writing and social publishing
awarm.space
1import { EditorView } from "prosemirror-view";
2import { v7 } from "uuid";
3import { Replicache } from "replicache";
4import type { ReplicacheMutators } from "src/replicache";
5import { schema } from "./schema";
6import { generateKeyBetween } from "fractional-indexing";
7import { scanIndex } from "src/replicache/utils";
8
9export async function insertFootnote(
10 view: EditorView,
11 blockID: string,
12 rep: Replicache<ReplicacheMutators>,
13 permissionSet: string,
14) {
15 let footnoteEntityID = v7();
16
17 let existingFootnotes = await rep.query(async (tx) => {
18 let scan = scanIndex(tx);
19 return scan.eav(blockID, "block/footnote");
20 });
21 let lastPosition =
22 existingFootnotes.length > 0
23 ? existingFootnotes
24 .map((f) => f.data.position)
25 .sort()
26 .at(-1)!
27 : null;
28 let position = generateKeyBetween(lastPosition, null);
29
30 await rep.mutate.createFootnote({
31 footnoteEntityID,
32 blockID,
33 permission_set: permissionSet,
34 position,
35 });
36
37 let node = schema.nodes.footnote.create({ footnoteEntityID });
38 let { from } = view.state.selection;
39 let tr = view.state.tr.insert(from, node);
40 view.dispatch(tr);
41
42 return footnoteEntityID;
43}