Adds undo for drawn shapes, zoom scales rdp

state/commands/draw.ts

@@ -0,0 +1,40 @@
+import Command from "./command"
+import history from "../history"
+import { Data } from "types"
+import { getPage } from "utils/utils"
+import { getShapeUtils } from "lib/shape-utils"
+import { current } from "immer"
+
+export default function drawCommand(
+  data: Data,
+  id: string,
+  before: number[][],
+  after: number[][]
+) {
+  const selectedIds = Array.from(data.selectedIds.values())
+  const restoreShape = current(getPage(data).shapes[id])
+  getShapeUtils(restoreShape).setPoints!(restoreShape, after)
+
+  history.execute(
+    data,
+    new Command({
+      name: "set_points",
+      category: "canvas",
+      manualSelection: true,
+      do(data, initial) {
+        if (!initial) {
+          getPage(data).shapes[id] = restoreShape
+        }
+
+        data.selectedIds.clear()
+      },
+      undo(data) {
+        delete getPage(data).shapes[id]
+        data.selectedIds.clear()
+        for (let id of selectedIds) {
+          data.selectedIds.add(id)
+        }
+      },
+    })
+  )
+}