Adds tool lock

state/commands/duplicate.ts

@@ -0,0 +1,48 @@
+import Command from './command'
+import history from '../history'
+import { Data } from 'types'
+import { getPage, getSelectedShapes } from 'utils/utils'
+import { v4 as uuid } from 'uuid'
+import { current } from 'immer'
+import * as vec from 'utils/vec'
+
+export default function duplicateCommand(data: Data) {
+  const { currentPageId } = data
+  const selectedShapes = getSelectedShapes(current(data))
+  const duplicates = selectedShapes.map((shape) => ({
+    ...shape,
+    id: uuid(),
+    point: vec.add(shape.point, vec.div([16, 16], data.camera.zoom)),
+  }))
+
+  history.execute(
+    data,
+    new Command({
+      name: 'duplicate_shapes',
+      category: 'canvas',
+      manualSelection: true,
+      do(data) {
+        const { shapes } = getPage(data, currentPageId)
+
+        data.selectedIds.clear()
+
+        for (const duplicate of duplicates) {
+          shapes[duplicate.id] = duplicate
+          data.selectedIds.add(duplicate.id)
+        }
+      },
+      undo(data) {
+        const { shapes } = getPage(data, currentPageId)
+        data.selectedIds.clear()
+
+        for (const duplicate of duplicates) {
+          delete shapes[duplicate.id]
+        }
+
+        for (let id in selectedShapes) {
+          data.selectedIds.add(id)
+        }
+      },
+    })
+  )
+}