tldraw_0/state/commands/delete-selected.ts

import Command from "./command"
import history from "../history"
import { TranslateSnapshot } from "state/sessions/translate-session"
import { Data } from "types"
import { getPage } from "utils/utils"
import { current } from "immer"

export default function deleteSelected(data: Data) {
  const { currentPageId } = data

  const selectedIds = Array.from(data.selectedIds.values())

  const page = getPage(current(data))

  const shapes = selectedIds.map((id) => page.shapes[id])

  data.selectedIds.clear()

  history.execute(
    data,
    new Command({
      name: "delete_shapes",
      category: "canvas",
      manualSelection: true,
      do(data) {
        const page = getPage(data, currentPageId)

        for (let id of selectedIds) {
          delete page.shapes[id]
        }

        data.selectedIds.clear()
      },
      undo(data) {
        const page = getPage(data, currentPageId)
        data.selectedIds.clear()
        for (let shape of shapes) {
          page.shapes[shape.id] = shape
          data.selectedIds.add(shape.id)
        }
      },
    })
  )
}