docs and types

src/Node.ts

@@ -1183,6 +1183,21 @@ export abstract class Node<Config extends NodeConfig = NodeConfig> {
       y: this.y(),
     };
   }
+  /**
+   * get absolute position of a node. That function can be used to calculate absolute position, but relative to any ancestor
+   * @method
+   * @name Konva.Node#getAbsolutePosition
+   * @param {Object} Ancestor optional ancestor node
+   * @returns {Konva.Node}
+   * @example
+   *
+   * // returns absolute position relative to top-left corner of canvas
+   * node.getAbsolutePosition();
+   *
+   * // calculate absolute position of node, inside stage
+   * // so stage transforms are ignored
+   * node.getAbsolutePosition(stage)
+   */
   getAbsolutePosition(top?) {
     let haveCachedParent = false;
     let parent = this.parent;

src/Util.ts

@@ -599,7 +599,9 @@ export const Util = {
   },
   _sign(number: number) {
     if (number === 0) {
-      return 0;
+      // that is not what sign usually returns
+      // but that is what we need
+      return 1;
     }
     if (number > 0) {
       return 1;

src/shapes/Text.ts

@@ -31,6 +31,7 @@ export interface TextConfig extends ShapeConfig {
   verticalAlign?: string;
   padding?: number;
   lineHeight?: number;
+  letterSpacing?: number;
   wrap?: string;
   ellipsis?: boolean;
 }

src/shapes/Transformer.ts

@@ -29,6 +29,7 @@ export interface TransformerConfig extends ContainerConfig {
   anchorStroke?: string;
   anchorStrokeWidth?: number;
   anchorSize?: number;
+  anchorCornerRadius?: number;
   keepRatio?: boolean;
   centeredScaling?: boolean;
   enabledAnchors?: Array<string>;