refactor the whole damn thing

src/Struct/Delete.js

@@ -0,0 +1,31 @@
+import StructManager from '../Util/StructManager'
+
+export default class Delete {
+  constructor () {
+    this._target = null
+    this._length = null
+  }
+  _fromBinary (y, decoder) {
+    this._targetID = decoder.readOpID()
+    this._length = decoder.readVarUint()
+  }
+  _toBinary (y, encoder) {
+    encoder.writeUint8(StructManager.getReference(this.constructor))
+    encoder.writeOpID(this._targetID)
+    encoder.writeVarUint(this._length)
+  }
+  _integrate (y) {
+    let items = y.os.getItems(this._target, this._length)
+    for (let i = items.length - 1; i >= 0; i--) {
+      items[i]._delete()
+    }
+    // TODO: only broadcast if created by local user or if y.connector._forwardAppliedStructs..
+    y.connector.broadcastStruct(this)
+    if (y.persistence !== null) {
+      y.persistence.saveOperations(this)
+    }
+  }
+  _logString () {
+    return `Delete - target: ${this._target}, len: ${this._length}`
+  }
+}