prelim gc

src/Struct/GC.js

@@ -0,0 +1,44 @@
+
+export default class GC {
+  constructor () {
+    this._id = null
+    this._length = 0
+  }
+
+  get _deleted () {
+    return true
+  }
+
+  integrate () {
+  }
+
+  /**
+   * Transform the properties of this type to binary and write it to an
+   * BinaryEncoder.
+   *
+   * This is called when this Item is sent to a remote peer.
+   *
+   * @param {BinaryEncoder} encoder The encoder to write data to.
+   * @private
+   */
+  _toBinary (encoder) {
+    encoder.writeUint8(getStructReference(this.constructor))
+    encoder.writeID(this._id)
+    encoder.writeVarUint(this._length)
+  }
+
+  /**
+   * Read the next Item in a Decoder and fill this Item with the read data.
+   *
+   * This is called when data is received from a remote peer.
+   *
+   * @param {Y} y The Yjs instance that this Item belongs to.
+   * @param {BinaryDecoder} decoder The decoder object to read data from.
+   * @private
+   */
+  _fromBinary (y, decoder) {
+    this._id = decoder.readID()
+    this._length = decoder.readVarUint()
+    return []
+  }  
+}