v13.0.0-21 -- distribution files

examples/html-editor/index.js

@@ -7,9 +7,9 @@ Y({
   },
   connector: {
     name: 'websockets-client',
-    // url: 'http://127.0.0.1:1234',
-    url: 'http://192.168.178.81:1234',
+    url: 'http://127.0.0.1:1234',
     room: 'html-editor-example6'
+    // maxBufferLength: 100
   },
   share: {
     xml: 'XmlFragment()' // y.share.xml is of type Y.Xml with tagname "p"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "yjs",
-  "version": "13.0.0-19",
+  "version": "13.0.0-21",
   "description": "A framework for real-time p2p shared editing on any data",
   "main": "./y.node.js",
   "browser": "./y.js",

src/Connector.js

@@ -213,7 +213,7 @@ export default function extendConnector (Y/* :any */) {
           self.broadcastOpBuffer = ops.slice(i)
           self.broadcast(encoder.createBuffer())
           if (i !== length) {
-            setTimeout(broadcastOperations, 100)
+            self.whenRemoteResponsive().then(broadcastOperations)
           }
         }
       }
@@ -225,6 +225,20 @@ export default function extendConnector (Y/* :any */) {
       }
     }
 
+    /*
+     * Somehow check the responsiveness of the remote clients/server
+     * Default behavior:
+     *   Wait 100ms before broadcasting the next batch of operations
+     *
+     * Only used when maxBufferLength is set
+     *
+     */
+    whenRemoteResponsive () {
+      return new Promise(function (resolve) {
+        setTimeout(resolve, 100)
+      })
+    }
+
     /*
       You received a raw message, and you know that it is intended for Yjs. Then call this function.
     */

src/Utils.js

@@ -49,6 +49,51 @@ export default function Utils (Y) {
     }
   }
 
+  Y.utils.getRelativePosition = function (type, offset) {
+    if (type == null) {
+      return null
+    } else {
+      if (type._content.length <= offset) {
+        return ['endof', type._model[0], type._model[1]]
+      } else {
+        return type._content[offset].id
+      }
+    }
+  }
+
+  Y.utils.fromRelativePosition = function (y, id) {
+    var offset = 0
+    var op
+    if (id[0] === 'endof') {
+      id = y.db.os.find(id.slice(1)).end
+      op = y.db.os.findNodeWithUpperBound(id).val
+      if (!op.deleted) {
+        offset = op.content != null ? op.content.length : 1
+      }
+    } else {
+      op = y.db.os.findNodeWithUpperBound(id).val
+      if (!op.deleted) {
+        offset = id[1] - op.id[1]
+      }
+    }
+
+    var type = y.db.getType(op.parent)
+    if (type == null || y.db.os.find(op.parent).deleted) {
+      return null
+    }
+
+    while (op.left != null) {
+      op = y.db.os.findNodeWithUpperBound(op.left).val
+      if (!op.deleted) {
+        offset += op.content != null ? op.content.length : 1
+      }
+    }
+    return {
+      type: type,
+      offset: offset
+    }
+  }
+
   class NamedEventHandler {
     constructor () {
       this._eventListener = {}

y.node.js

@@ -1,7 +1,7 @@
 
 /**
  * yjs - A framework for real-time p2p shared editing on any data
- * @version v13.0.0-19
+ * @version v13.0.0-21
  * @license MIT
  */
 
@@ -841,7 +841,7 @@ function extendConnector (Y/* :any */) {
           self.broadcastOpBuffer = ops.slice(i);
           self.broadcast(encoder.createBuffer());
           if (i !== length) {
-            setTimeout(broadcastOperations, 100);
+            self.whenRemoteResponsive().then(broadcastOperations);
           }
         }
       }
@@ -853,6 +853,20 @@ function extendConnector (Y/* :any */) {
       }
     }
 
+    /*
+     * Somehow check the responsiveness of the remote clients/server
+     * Default behavior:
+     *   Wait 100ms before broadcasting the next batch of operations
+     *
+     * Only used when maxBufferLength is set
+     *
+     */
+    whenRemoteResponsive () {
+      return new Promise(function (resolve) {
+        setTimeout(resolve, 100);
+      })
+    }
+
     /*
       You received a raw message, and you know that it is intended for Yjs. Then call this function.
     */
@@ -3448,6 +3462,51 @@ function Utils (Y) {
     }
   };
 
+  Y.utils.getRelativePosition = function (type, offset) {
+    if (type == null) {
+      return null
+    } else {
+      if (type._content.length <= offset) {
+        return ['endof', type._model[0], type._model[1]]
+      } else {
+        return type._content[offset].id
+      }
+    }
+  };
+
+  Y.utils.fromRelativePosition = function (y, id) {
+    var offset = 0;
+    var op;
+    if (id[0] === 'endof') {
+      id = y.db.os.find(id.slice(1)).end;
+      op = y.db.os.findNodeWithUpperBound(id).val;
+      if (!op.deleted) {
+        offset = op.content != null ? op.content.length : 1;
+      }
+    } else {
+      op = y.db.os.findNodeWithUpperBound(id).val;
+      if (!op.deleted) {
+        offset = id[1] - op.id[1];
+      }
+    }
+
+    var type = y.db.getType(op.parent);
+    if (type == null || y.db.os.find(op.parent).deleted) {
+      return null
+    }
+
+    while (op.left != null) {
+      op = y.db.os.findNodeWithUpperBound(op.left).val;
+      if (!op.deleted) {
+        offset += op.content != null ? op.content.length : 1;
+      }
+    }
+    return {
+      type: type,
+      offset: offset
+    }
+  };
+
   class NamedEventHandler {
     constructor () {
       this._eventListener = {};