Merge branch 'konvajs:master' into master

.github/workflows/test-browser.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [20.x]
 
     steps:
       - uses: actions/checkout@v2

.github/workflows/test-node.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [23.x]
 
     steps:
       - uses: actions/checkout@v2

CHANGELOG.md

@@ -3,9 +3,16 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## 9.3.17 (2024-12-02) (unreleased)
+## 9.3.18 (2024-12-23)
 
-- Fix `Arrow.getClientRect()`
+- Fixed emoji split in multiple lines
+
+## 9.3.17 (2024-12-23)
+
+- Fixed `Arrow.getClientRect()`
+- Fixed emoji rendering with letterSpacing
+- Fixed line-through for justify text
+- Changes in letter spacing width calculations to match DOM rendering
 
 ## 9.3.16 (2024-10-21)
 

eslint.config.mjs

@@ -0,0 +1,3 @@
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(...tseslint.configs.recommended);

package.json

@@ -1,6 +1,7 @@
 {
   "name": "konva",
-  "version": "9.3.16",
+  "version": "9.3.18",
+  "description": "HTML5 2d canvas library.",
   "author": "Anton Lavrenov",
   "files": [
     "README.md",
@@ -18,8 +19,8 @@
     "build": "npm run compile && cp ./src/index-types.d.ts ./lib && gulp build && node ./rename-imports.mjs",
     "test:import": "npm run build  && node ./test/import-test.cjs && node ./test/import-test.mjs",
     "test": "npm run test:browser && npm run test:node",
-    "test:build": "parcel build ./test/unit-tests.html --dist-dir ./test-build --target none --public-url ./ --no-source-maps",
+    "test:build": "PARCEL_WORKER_BACKEND=process parcel build ./test/unit-tests.html --dist-dir ./test-build --target none --public-url ./ --no-source-maps",
-    "test:browser": "npm run test:build && mocha-headless-chrome -f ./test-build/unit-tests.html -a disable-web-security",
+    "test:browser": "npm run test:build && mocha-headless-chrome -f ./test-build/unit-tests.html -a disable-web-security -a no-sandbox -a disable-setuid-sandbox",
     "test:watch": "rm -rf ./.parcel-cache && PARCEL_WORKERS=0  parcel serve ./test/unit-tests.html ./test/manual-tests.html ./test/sandbox.html ./test/text-paths.html ./test/bunnies.html",
     "test:node": "ts-mocha -r ./test/node-global-setup.mjs -p ./test/tsconfig.json test/unit/**/*.ts --exit && npm run test:import",
     "tsc": "tsc --removeComments",
@@ -59,13 +60,13 @@
     }
   ],
   "devDependencies": {
-    "@parcel/transformer-image": "2.10.1",
+    "@parcel/transformer-image": "2.13.2",
-    "@size-limit/preset-big-lib": "^11.0.1",
+    "@size-limit/preset-big-lib": "^11.1.6",
-    "@types/mocha": "^10.0.6",
+    "@types/mocha": "^10.0.10",
-    "canvas": "^2.11.2",
+    "canvas": "^3.1.0",
-    "chai": "4.3.10",
+    "chai": "5.1.2",
     "filehound": "^1.17.6",
-    "gulp": "^4.0.2",
+    "gulp": "^5.0.0",
     "gulp-concat": "^2.6.1",
     "gulp-connect": "^5.7.0",
     "gulp-exec": "^5.0.0",
@@ -78,14 +79,14 @@
     "gulp-util": "^3.0.8",
     "mocha": "10.2.0",
     "mocha-headless-chrome": "^4.0.0",
-    "parcel": "2.10.1",
+    "parcel": "2.13.3",
     "process": "^0.11.10",
-    "rollup": "^4.9.1",
+    "rollup": "^4.31.0",
     "rollup-plugin-typescript2": "^0.36.0",
-    "size-limit": "^11.0.1",
+    "size-limit": "^11.1.6",
     "ts-mocha": "^10.0.0",
     "ts-node": "^10.9.2",
-    "typescript": "^5.3.3"
+    "typescript": "^5.7.3"
   },
   "keywords": [
     "canvas",

src/Canvas.ts

@@ -82,9 +82,32 @@ export class Canvas {
   getContext() {
     return this.context;
   }
+  /**
+   * get pixel ratio
+   * @method
+   * @name Konva.Canvas#getPixelRatio
+   * @returns {Number} pixel ratio
+   * @example
+   * var pixelRatio = layer.getCanvas.getPixelRatio();
+   */
   getPixelRatio() {
     return this.pixelRatio;
   }
+  /**
+   * set pixel ratio
+   * KonvaJS automatically handles pixel ratio adustments in order to render crisp drawings
+   *  on all devices. Most desktops, low end tablets, and low end phones, have device pixel ratios
+   *  of 1.  Some high end tablets and phones, like iPhones and iPads have a device pixel ratio
+   *  of 2.  Some Macbook Pros, and iMacs also have a device pixel ratio of 2.  Some high end Android devices have pixel
+   *  ratios of 2 or 3.  Some browsers like Firefox allow you to configure the pixel ratio of the viewport.  Unless otherwise
+   *  specificed, the pixel ratio will be defaulted to the actual device pixel ratio.  You can override the device pixel
+   *  ratio for special situations, or, if you don't want the pixel ratio to be taken into account, you can set it to 1.
+   * @method
+   * @name Konva.Canvas#setPixelRatio
+   * @param {Number} pixelRatio
+   * @example
+   * layer.getCanvas().setPixelRatio(3);
+   */
   setPixelRatio(pixelRatio) {
     const previousRatio = this.pixelRatio;
     this.pixelRatio = pixelRatio;
@@ -148,28 +171,6 @@ export class Canvas {
   }
 }
 
-/**
- * get/set pixel ratio.
- * KonvaJS automatically handles pixel ratio adustments in order to render crisp drawings
- *  on all devices. Most desktops, low end tablets, and low end phones, have device pixel ratios
- *  of 1.  Some high end tablets and phones, like iPhones and iPads have a device pixel ratio
- *  of 2.  Some Macbook Pros, and iMacs also have a device pixel ratio of 2.  Some high end Android devices have pixel
- *  ratios of 2 or 3.  Some browsers like Firefox allow you to configure the pixel ratio of the viewport.  Unless otherwise
- *  specificed, the pixel ratio will be defaulted to the actual device pixel ratio.  You can override the device pixel
- *  ratio for special situations, or, if you don't want the pixel ratio to be taken into account, you can set it to 1.
- * @name Konva.Canvas#pixelRatio
- * @method
- * @param {Number} pixelRatio
- * @returns {Number}
- * @example
- * // get
- * var pixelRatio = layer.getCanvas.pixelRatio();
- *
- * // set
- * layer.getCanvas().pixelRatio(3);
- */
-Factory.addGetterSetter(Canvas, 'pixelRatio', undefined, getNumberValidator());
-
 export class SceneCanvas extends Canvas {
   constructor(
     config: ICanvasConfig = { width: 0, height: 0, willReadFrequently: false }

src/Factory.ts

@@ -1,18 +1,76 @@
 import { Node } from './Node';
+import { GetSet } from './types';
 import { Util } from './Util';
 import { getComponentValidator } from './Validators';
 
-const GET = 'get',
+const GET = 'get';
-  SET = 'set';
+const SET = 'set';
+
+/**
+ * Enforces that a type is a string.
+ */
+type EnforceString<T> = T extends string ? T : never;
+
+/**
+ * Represents a class.
+ */
+type Constructor = abstract new (...args: any) => any;
+
+/**
+ * An attribute of an instance of the provided class. Attributes names be strings.
+ */
+type Attr<T extends Constructor> = EnforceString<keyof InstanceType<T>>;
+
+/**
+ * A function that is called after a setter is called.
+ */
+type AfterFunc<T extends Constructor> = (this: InstanceType<T>) => void;
+
+/**
+ * Extracts the type of a GetSet.
+ */
+type ExtractGetSet<T> = T extends GetSet<infer U, any> ? U : never;
+
+/**
+ * Extracts the type of a GetSet class attribute.
+ */
+type Value<T extends Constructor, U extends Attr<T>> = ExtractGetSet<
+  InstanceType<T>[U]
+>;
+
+/**
+ * A function that validates a value.
+ */
+type ValidatorFunc<T> = (val: ExtractGetSet<T>, attr: string) => T;
+
+/**
+ * Extracts the "components" (keys) of a GetSet value. The value must be an object.
+ */
+type ExtractComponents<T extends Constructor, U extends Attr<T>> = Value<
+  T,
+  U
+> extends Record<string, any>
+  ? EnforceString<keyof Value<T, U>>[]
+  : never;
 
 export const Factory = {
-  addGetterSetter(constructor, attr, def?, validator?, after?) {
+  addGetterSetter<T extends Constructor, U extends Attr<T>>(
+    constructor: T,
+    attr: U,
+    def?: Value<T, U>,
+    validator?: ValidatorFunc<Value<T, U>>,
+    after?: AfterFunc<T>
+  ): void {
     Factory.addGetter(constructor, attr, def);
     Factory.addSetter(constructor, attr, validator, after);
     Factory.addOverloadedGetterSetter(constructor, attr);
   },
-  addGetter(constructor, attr, def?) {
+  addGetter<T extends Constructor, U extends Attr<T>>(
-    const method = GET + Util._capitalize(attr);
+    constructor: T,
+    attr: U,
+    def?: Value<T, U>
+  ) {
+    var method = GET + Util._capitalize(attr);
 
     constructor.prototype[method] =
       constructor.prototype[method] ||
@@ -22,15 +80,26 @@ export const Factory = {
       };
   },
 
-  addSetter(constructor, attr, validator?, after?) {
+  addSetter<T extends Constructor, U extends Attr<T>>(
-    const method = SET + Util._capitalize(attr);
+    constructor: T,
+    attr: U,
+    validator?: ValidatorFunc<Value<T, U>>,
+    after?: AfterFunc<T>
+  ) {
+    var method = SET + Util._capitalize(attr);
 
     if (!constructor.prototype[method]) {
       Factory.overWriteSetter(constructor, attr, validator, after);
     }
   },
-  overWriteSetter(constructor, attr, validator?, after?) {
+
-    const method = SET + Util._capitalize(attr);
+  overWriteSetter<T extends Constructor, U extends Attr<T>>(
+    constructor: T,
+    attr: U,
+    validator?: ValidatorFunc<Value<T, U>>,
+    after?: AfterFunc<T>
+  ) {
+    var method = SET + Util._capitalize(attr);
     constructor.prototype[method] = function (val) {
       if (validator && val !== undefined && val !== null) {
         val = validator.call(this, val, attr);
@@ -45,12 +114,13 @@ export const Factory = {
       return this;
     };
   },
-  addComponentsGetterSetter(
+
-    constructor,
+  addComponentsGetterSetter<T extends Constructor, U extends Attr<T>>(
-    attr: string,
+    constructor: T,
-    components: Array<string>,
+    attr: U,
-    validator?: Function,
+    components: ExtractComponents<T, U>,
-    after?: Function
+    validator?: ValidatorFunc<Value<T, U>>,
+    after?: AfterFunc<T>
   ) {
     const len = components.length,
       capitalize = Util._capitalize,
@@ -59,7 +129,7 @@ export const Factory = {
 
     // getter
     constructor.prototype[getter] = function () {
-      const ret = {};
+      const ret: Record<string, any> = {};
 
       for (let n = 0; n < len; n++) {
         const component = components[n];
@@ -76,7 +146,7 @@ export const Factory = {
       const oldVal = this.attrs[attr];
 
       if (validator) {
-        val = validator.call(this, val);
+        val = validator.call(this, val, attr);
       }
 
       if (basicValidator) {
@@ -106,8 +176,11 @@ export const Factory = {
 
     Factory.addOverloadedGetterSetter(constructor, attr);
   },
-  addOverloadedGetterSetter(constructor, attr) {
+  addOverloadedGetterSetter<T extends Constructor, U extends Attr<T>>(
-    const capitalizedAttr = Util._capitalize(attr),
+    constructor: T,
+    attr: U
+  ) {
+    var capitalizedAttr = Util._capitalize(attr),
       setter = SET + capitalizedAttr,
       getter = GET + capitalizedAttr;
 
@@ -121,7 +194,12 @@ export const Factory = {
       return this[getter]();
     };
   },
-  addDeprecatedGetterSetter(constructor, attr, def, validator) {
+  addDeprecatedGetterSetter<T extends Constructor, U extends Attr<T>>(
+    constructor: T,
+    attr: U,
+    def: Value<T, U>,
+    validator: ValidatorFunc<Value<T, U>>
+  ) {
     Util.error('Adding deprecated ' + attr);
 
     const method = GET + Util._capitalize(attr);
@@ -139,7 +217,10 @@ export const Factory = {
     });
     Factory.addOverloadedGetterSetter(constructor, attr);
   },
-  backCompat(constructor, methods) {
+  backCompat<T extends Constructor>(
+    constructor: T,
+    methods: Record<string, string>
+  ) {
     Util.each(methods, function (oldMethodName, newMethodName) {
       const method = constructor.prototype[newMethodName];
       const oldGetter = GET + Util._capitalize(oldMethodName);
@@ -161,7 +242,7 @@ export const Factory = {
       constructor.prototype[oldSetter] = deprecated;
     });
   },
-  afterSetFilter(this: Node) {
+  afterSetFilter(this: Node): void {
     this._filterUpToDate = false;
   },
 };

src/Node.ts

@@ -198,7 +198,8 @@ export abstract class Node<Config extends NodeConfig = NodeConfig> {
     // for transform the cache can be NOT empty
     // but we still need to recalculate it if it is dirty
     const isTransform = attr === TRANSFORM || attr === ABSOLUTE_TRANSFORM;
-    const invalid = cache === undefined || (isTransform && cache.dirty === true);
+    const invalid =
+      cache === undefined || (isTransform && cache.dirty === true);
 
     // if not cached, we need to set it using the private getter method.
     if (invalid) {
@@ -2660,7 +2661,7 @@ export abstract class Node<Config extends NodeConfig = NodeConfig> {
   rotation: GetSet<number, this>;
   zIndex: GetSet<number, this>;
 
-  scale: GetSet<Vector2d | undefined, this>;
+  scale: GetSet<Vector2d, this>;
   scaleX: GetSet<number, this>;
   scaleY: GetSet<number, this>;
   skew: GetSet<Vector2d, this>;
@@ -3102,7 +3103,7 @@ addGetterSetter(Node, 'offsetY', 0, getNumberValidator());
  * node.offsetY(3);
  */
 
-addGetterSetter(Node, 'dragDistance', null, getNumberValidator());
+addGetterSetter(Node, 'dragDistance', undefined, getNumberValidator());
 
 /**
  * get/set drag distance
@@ -3193,7 +3194,7 @@ addGetterSetter(Node, 'listening', true, getBooleanValidator());
 
 addGetterSetter(Node, 'preventDefault', true, getBooleanValidator());
 
-addGetterSetter(Node, 'filters', null, function (this: Node, val) {
+addGetterSetter(Node, 'filters', undefined, function (this: Node, val) {
   this._filterUpToDate = false;
   return val;
 });

src/Shape.ts

@@ -837,6 +837,11 @@ export class Shape<
   strokeLinearGradientStartPoint: GetSet<Vector2d, this>;
   strokeLinearGradientEndPoint: GetSet<Vector2d, this>;
   strokeLinearGradientColorStops: GetSet<Array<number | string>, this>;
+  strokeLinearGradientStartPointX: GetSet<number, this>;
+  strokeLinearGradientStartPointY: GetSet<number, this>;
+  strokeLinearGradientEndPointX: GetSet<number, this>;
+  strokeLinearGradientEndPointY: GetSet<number, this>;
+  fillRule: GetSet<CanvasFillRule, this>;
 }
 
 Shape.prototype._fillFunc = _fillFunc;

src/Stage.ts

@@ -249,11 +249,10 @@ export class Stage extends Container<Layer> {
    * @name Konva.Stage#clear
    */
   clear() {
-    let layers = this.children,
+    const layers = this.children,
-      len = layers.length,
+      len = layers.length;
-      n;
 
-    for (n = 0; n < len; n++) {
+    for (let n = 0; n < len; n++) {
       layers[n].clear();
     }
     return this;
@@ -367,12 +366,11 @@ export class Stage extends Container<Layer> {
     if (!pos) {
       return null;
     }
-    let layers = this.children,
+    const layers = this.children,
       len = layers.length,
-      end = len - 1,
+      end = len - 1;
-      n;
 
-    for (n = end; n >= 0; n--) {
+    for (let n = end; n >= 0; n--) {
       const shape = layers[n].getIntersection(pos);
       if (shape) {
         return shape;
@@ -820,8 +818,8 @@ export class Stage extends Container<Layer> {
    * });
    */
   setPointersPositions(evt) {
-    let contentPosition = this._getContentPosition(),
+    const contentPosition = this._getContentPosition();
-      x: number | null = null,
+    let x: number | null = null,
       y: number | null = null;
     evt = evt ? evt : window.event;
 

src/Tween.ts

@@ -4,7 +4,7 @@ import { Node, NodeConfig } from './Node';
 import { Konva } from './Global';
 import { Line } from './shapes/Line';
 
-let blacklist = {
+const blacklist = {
     node: 1,
     duration: 1,
     easing: 1,
@@ -14,8 +14,8 @@ let blacklist = {
   PAUSED = 1,
   PLAYING = 2,
   REVERSING = 3,
-  idCounter = 0,
   colorAttrs = ['fill', 'stroke', 'shadowColor'];
+let idCounter = 0;
 
 class TweenEngine {
   prop: string;
@@ -195,12 +195,12 @@ export class Tween {
   onUpdate: Function | undefined;
 
   constructor(config: TweenConfig) {
-    let that = this,
+    const that = this,
       node = config.node as any,
       nodeId = node._id,
-      duration,
       easing = config.easing || Easings.Linear,
-      yoyo = !!config.yoyo,
+      yoyo = !!config.yoyo;
+    let duration,
       key;
 
     if (typeof config.duration === 'undefined') {
@@ -266,26 +266,23 @@ export class Tween {
     this.onUpdate = config.onUpdate;
   }
   _addAttr(key, end) {
-    let node = this.node,
+    const node = this.node,
-      nodeId = node._id,
+      nodeId = node._id;
-      start,
+    let diff,
-      diff,
-      tweenId,
-      n,
       len,
       trueEnd,
       trueStart,
       endRGBA;
 
     // remove conflict from tween map if it exists
-    tweenId = Tween.tweens[nodeId][key];
+    const tweenId = Tween.tweens[nodeId][key];
 
     if (tweenId) {
       delete Tween.attrs[nodeId][tweenId][key];
     }
 
     // add to tween map
-    start = node.getAttr(key);
+    let start = node.getAttr(key);
 
     if (Util._isArray(end)) {
       diff = [];
@@ -310,7 +307,7 @@ export class Tween {
       }
 
       if (key.indexOf('fill') === 0) {
-        for (n = 0; n < len; n++) {
+        for (let n = 0; n < len; n++) {
           if (n % 2 === 0) {
             diff.push(end[n] - start[n]);
           } else {
@@ -326,7 +323,7 @@ export class Tween {
           }
         }
       } else {
-        for (n = 0; n < len; n++) {
+        for (let n = 0; n < len; n++) {
           diff.push(end[n] - start[n]);
         }
       }
@@ -353,9 +350,9 @@ export class Tween {
     Tween.tweens[nodeId][key] = this._id;
   }
   _tweenFunc(i) {
-    let node = this.node,
+    const node = this.node,
-      attrs = Tween.attrs[node._id][this._id],
+      attrs = Tween.attrs[node._id][this._id];
-      key,
+    let key,
       attr,
       start,
       diff,
@@ -525,14 +522,13 @@ export class Tween {
    * @name Konva.Tween#destroy
    */
   destroy() {
-    let nodeId = this.node._id,
+    const nodeId = this.node._id,
       thisId = this._id,
-      attrs = Tween.tweens[nodeId],
+      attrs = Tween.tweens[nodeId];
-      key;
 
     this.pause();
 
-    for (key in attrs) {
+    for (const key in attrs) {
       delete Tween.tweens[nodeId][key];
     }
 

src/Util.ts

@@ -260,7 +260,7 @@ export class Transform {
 }
 
 // CONSTANTS
-let OBJECT_ARRAY = '[object Array]',
+const OBJECT_ARRAY = '[object Array]',
   OBJECT_NUMBER = '[object Number]',
   OBJECT_STRING = '[object String]',
   OBJECT_BOOLEAN = '[object Boolean]',
@@ -423,8 +423,8 @@ let OBJECT_ARRAY = '[object Array]',
     yellow: [255, 255, 0],
     yellowgreen: [154, 205, 5],
   },
-  RGB_REGEX = /rgb\((\d{1,3}),(\d{1,3}),(\d{1,3})\)/,
+  RGB_REGEX = /rgb\((\d{1,3}),(\d{1,3}),(\d{1,3})\)/;
-  animQueue: Array<Function> = [];
+  let animQueue: Array<Function> = [];
 
 const req =
   (typeof requestAnimationFrame !== 'undefined' && requestAnimationFrame) ||
@@ -904,21 +904,20 @@ export const Util = {
     return pc;
   },
   _prepareArrayForTween(startArray, endArray, isClosed) {
-    let n,
+    const start: Vector2d[] = [],
-      start: Vector2d[] = [],
       end: Vector2d[] = [];
     if (startArray.length > endArray.length) {
       const temp = endArray;
       endArray = startArray;
       startArray = temp;
     }
-    for (n = 0; n < startArray.length; n += 2) {
+    for (let n = 0; n < startArray.length; n += 2) {
       start.push({
         x: startArray[n],
         y: startArray[n + 1],
       });
     }
-    for (n = 0; n < endArray.length; n += 2) {
+    for (let n = 0; n < endArray.length; n += 2) {
       end.push({
         x: endArray[n],
         y: endArray[n + 1],

src/Validators.ts

@@ -33,9 +33,9 @@ export function alphaComponent(val: number) {
   return val;
 }
 
-export function getNumberValidator() {
+export function getNumberValidator<T>() {
   if (Konva.isUnminified) {
-    return function <T>(val: T, attr: string): T | void {
+    return function (val: T, attr: string): T {
       if (!Util._isNumber(val)) {
         Util.warn(
           _formatValue(val) +
@@ -49,11 +49,11 @@ export function getNumberValidator() {
   }
 }
 
-export function getNumberOrArrayOfNumbersValidator(noOfElements: number) {
+export function getNumberOrArrayOfNumbersValidator<T>(noOfElements: number) {
   if (Konva.isUnminified) {
-    return function <T>(val: T, attr: string): T | void {
+    return function (val: T, attr: string): T {
-      const isNumber = Util._isNumber(val);
+      let isNumber = Util._isNumber(val);
-      const isValidArray = Util._isArray(val) && val.length == noOfElements;
+      let isValidArray = Util._isArray(val) && val.length == noOfElements;
       if (!isNumber && !isValidArray) {
         Util.warn(
           _formatValue(val) +
@@ -69,11 +69,11 @@ export function getNumberOrArrayOfNumbersValidator(noOfElements: number) {
   }
 }
 
-export function getNumberOrAutoValidator() {
+export function getNumberOrAutoValidator<T>() {
   if (Konva.isUnminified) {
-    return function <T extends string>(val: T, attr: string): T | void {
+    return function (val: T, attr: string): T {
-      const isNumber = Util._isNumber(val);
+      var isNumber = Util._isNumber(val);
-      const isAuto = val === 'auto';
+      var isAuto = val === 'auto';
 
       if (!(isNumber || isAuto)) {
         Util.warn(
@@ -88,9 +88,9 @@ export function getNumberOrAutoValidator() {
   }
 }
 
-export function getStringValidator() {
+export function getStringValidator<T>() {
   if (Konva.isUnminified) {
-    return function (val: any, attr: string) {
+    return function (val: T, attr: string): T {
       if (!Util._isString(val)) {
         Util.warn(
           _formatValue(val) +
@@ -104,13 +104,13 @@ export function getStringValidator() {
   }
 }
 
-export function getStringOrGradientValidator() {
+export function getStringOrGradientValidator<T>() {
   if (Konva.isUnminified) {
-    return function (val: any, attr: string) {
+    return function (val: T, attr: string): T {
       const isString = Util._isString(val);
       const isGradient =
         Object.prototype.toString.call(val) === '[object CanvasGradient]' ||
-        (val && val.addColorStop);
+        (val && val['addColorStop']);
       if (!(isString || isGradient)) {
         Util.warn(
           _formatValue(val) +
@@ -124,9 +124,9 @@ export function getStringOrGradientValidator() {
   }
 }
 
-export function getFunctionValidator() {
+export function getFunctionValidator<T>() {
   if (Konva.isUnminified) {
-    return function (val: any, attr: string) {
+    return function (val: T, attr: string): T {
       if (!Util._isFunction(val)) {
         Util.warn(
           _formatValue(val) +
@@ -139,9 +139,9 @@ export function getFunctionValidator() {
     };
   }
 }
-export function getNumberArrayValidator() {
+export function getNumberArrayValidator<T>() {
   if (Konva.isUnminified) {
-    return function (val: any, attr: string) {
+    return function (val: T, attr: string): T {
       // Retrieve TypedArray constructor as found in MDN (if TypedArray is available)
       // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray#description
       const TypedArray = Int8Array ? Object.getPrototypeOf(Int8Array) : null;
@@ -172,10 +172,10 @@ export function getNumberArrayValidator() {
     };
   }
 }
-export function getBooleanValidator() {
+export function getBooleanValidator<T>() {
   if (Konva.isUnminified) {
-    return function (val: any, attr: string) {
+    return function (val: T, attr: string): T {
-      const isBool = val === true || val === false;
+      var isBool = val === true || val === false;
       if (!isBool) {
         Util.warn(
           _formatValue(val) +
@@ -188,9 +188,9 @@ export function getBooleanValidator() {
     };
   }
 }
-export function getComponentValidator(components: any) {
+export function getComponentValidator<T>(components: string[]) {
   if (Konva.isUnminified) {
-    return function (val: any, attr: string) {
+    return function (val: T, attr: string): T {
       // ignore validation on undefined value, because it will reset to defalt
       if (val === undefined || val === null) {
         return val;

src/filters/Emboss.ts

@@ -174,7 +174,7 @@ Factory.addGetterSetter(
   Node,
   'embossDirection',
   'top-left',
-  null,
+  undefined,
   Factory.afterSetFilter
 );
 /**
@@ -190,7 +190,7 @@ Factory.addGetterSetter(
   Node,
   'embossBlend',
   false,
-  null,
+  undefined,
   Factory.afterSetFilter
 );
 /**

src/filters/HSL.ts

@@ -59,13 +59,12 @@ Factory.addGetterSetter(
  */
 
 export const HSL: Filter = function (imageData) {
-  let data = imageData.data,
+  const data = imageData.data,
     nPixels = data.length,
     v = 1,
     s = Math.pow(2, this.saturation()),
     h = Math.abs(this.hue() + 360) % 360,
-    l = this.luminance() * 127,
+    l = this.luminance() * 127;
-    i;
 
   // Basis for the technique used:
   // http://beesbuzz.biz/code/hsv_color_transforms.php
@@ -94,7 +93,7 @@ export const HSL: Filter = function (imageData) {
 
   let r: number, g: number, b: number, a: number;
 
-  for (i = 0; i < nPixels; i += 4) {
+  for (let i = 0; i < nPixels; i += 4) {
     r = data[i + 0];
     g = data[i + 1];
     b = data[i + 2];

src/filters/Invert.ts

@@ -9,11 +9,10 @@ import { Filter } from '../Node';
  * node.filters([Konva.Filters.Invert]);
  */
 export const Invert: Filter = function (imageData) {
-  let data = imageData.data,
+  const data = imageData.data,
-    len = data.length,
+    len = data.length;
-    i;
 
-  for (i = 0; i < len; i += 4) {
+  for (let i = 0; i < len; i += 4) {
     // red
     data[i] = 255 - data[i];
     // green

src/filters/Kaleidoscope.ts

@@ -1,5 +1,5 @@
 import { Factory } from '../Factory';
-import { Node, Filter } from '../Node';
+import { Filter, Node } from '../Node';
 import { Util } from '../Util';
 import { getNumberValidator } from '../Validators';
 
@@ -20,53 +20,41 @@ import { getNumberValidator } from '../Validators';
  */
 
 const ToPolar = function (src, dst, opt) {
-  let srcPixels = src.data,
+  const srcPixels = src.data,
     dstPixels = dst.data,
     xSize = src.width,
     ySize = src.height,
     xMid = opt.polarCenterX || xSize / 2,
-    yMid = opt.polarCenterY || ySize / 2,
+    yMid = opt.polarCenterY || ySize / 2;
-    i,
-    x,
-    y,
-    r = 0,
-    g = 0,
-    b = 0,
-    a = 0;
 
   // Find the largest radius
-  let rad,
+  let rMax = Math.sqrt(xMid * xMid + yMid * yMid);
-    rMax = Math.sqrt(xMid * xMid + yMid * yMid);
+  let x = xSize - xMid;
-  x = xSize - xMid;
+  let y = ySize - yMid;
-  y = ySize - yMid;
+  const rad = Math.sqrt(x * x + y * y);
-  rad = Math.sqrt(x * x + y * y);
   rMax = rad > rMax ? rad : rMax;
 
   // We'll be uisng y as the radius, and x as the angle (theta=t)
-  let rSize = ySize,
+  const rSize = ySize,
-    tSize = xSize,
+    tSize = xSize;
-    radius,
-    theta;
 
   // We want to cover all angles (0-360) and we need to convert to
   // radians (*PI/180)
-  let conversion = ((360 / tSize) * Math.PI) / 180,
+  const conversion = ((360 / tSize) * Math.PI) / 180;
-    sin,
-    cos;
 
   // var x1, x2, x1i, x2i, y1, y2, y1i, y2i, scale;
 
-  for (theta = 0; theta < tSize; theta += 1) {
+  for (let theta = 0; theta < tSize; theta += 1) {
-    sin = Math.sin(theta * conversion);
+    const sin = Math.sin(theta * conversion);
-    cos = Math.cos(theta * conversion);
+    const cos = Math.cos(theta * conversion);
-    for (radius = 0; radius < rSize; radius += 1) {
+    for (let radius = 0; radius < rSize; radius += 1) {
       x = Math.floor(xMid + ((rMax * radius) / rSize) * cos);
       y = Math.floor(yMid + ((rMax * radius) / rSize) * sin);
-      i = (y * xSize + x) * 4;
+      let i = (y * xSize + x) * 4;
-      r = srcPixels[i + 0];
+      const r = srcPixels[i + 0];
-      g = srcPixels[i + 1];
+      const g = srcPixels[i + 1];
-      b = srcPixels[i + 2];
+      const b = srcPixels[i + 2];
-      a = srcPixels[i + 3];
+      const a = srcPixels[i + 3];
 
       // Store it
       //i = (theta * xSize  +  radius) * 4;
@@ -97,35 +85,23 @@ const ToPolar = function (src, dst, opt) {
  */
 
 const FromPolar = function (src, dst, opt) {
-  let srcPixels = src.data,
+  const srcPixels = src.data,
     dstPixels = dst.data,
     xSize = src.width,
     ySize = src.height,
     xMid = opt.polarCenterX || xSize / 2,
-    yMid = opt.polarCenterY || ySize / 2,
+    yMid = opt.polarCenterY || ySize / 2;
-    i,
-    x,
-    y,
-    dx,
-    dy,
-    r = 0,
-    g = 0,
-    b = 0,
-    a = 0;
 
   // Find the largest radius
-  let rad,
+  let rMax = Math.sqrt(xMid * xMid + yMid * yMid);
-    rMax = Math.sqrt(xMid * xMid + yMid * yMid);
+  let x = xSize - xMid;
-  x = xSize - xMid;
+  let y = ySize - yMid;
-  y = ySize - yMid;
+  const rad = Math.sqrt(x * x + y * y);
-  rad = Math.sqrt(x * x + y * y);
   rMax = rad > rMax ? rad : rMax;
 
   // We'll be uisng x as the radius, and y as the angle (theta=t)
-  let rSize = ySize,
+  const rSize = ySize,
     tSize = xSize,
-    radius,
-    theta,
     phaseShift = opt.polarRotation || 0;
 
   // We need to convert to degrees and we need to make sure
@@ -137,18 +113,18 @@ const FromPolar = function (src, dst, opt) {
 
   for (x = 0; x < xSize; x += 1) {
     for (y = 0; y < ySize; y += 1) {
-      dx = x - xMid;
+      const dx = x - xMid;
-      dy = y - yMid;
+      const dy = y - yMid;
-      radius = (Math.sqrt(dx * dx + dy * dy) * rSize) / rMax;
+      const radius = (Math.sqrt(dx * dx + dy * dy) * rSize) / rMax;
-      theta = ((Math.atan2(dy, dx) * 180) / Math.PI + 360 + phaseShift) % 360;
+      let theta = ((Math.atan2(dy, dx) * 180) / Math.PI + 360 + phaseShift) % 360;
       theta = (theta * tSize) / 360;
       x1 = Math.floor(theta);
       y1 = Math.floor(radius);
-      i = (y1 * xSize + x1) * 4;
+      let i = (y1 * xSize + x1) * 4;
-      r = srcPixels[i + 0];
+      const r = srcPixels[i + 0];
-      g = srcPixels[i + 1];
+      const g = srcPixels[i + 1];
-      b = srcPixels[i + 2];
+      const b = srcPixels[i + 2];
-      a = srcPixels[i + 3];
+      const a = srcPixels[i + 3];
 
       // Store it
       i = (y * xSize + x) * 4;

src/filters/Mask.ts

@@ -1,5 +1,5 @@
 import { Factory } from '../Factory';
-import { Node, Filter } from '../Node';
+import { Filter, Node } from '../Node';
 import { getNumberValidator } from '../Validators';
 
 function pixelAt(idata, x, y) {
@@ -181,8 +181,8 @@ function smoothEdgeMask(mask, sw, sh) {
  */
 export const Mask: Filter = function (imageData) {
   // Detect pixels close to the background color
-  let threshold = this.threshold(),
+  const threshold = this.threshold();
-    mask = backgroundMask(imageData, threshold);
+  let mask = backgroundMask(imageData, threshold);
   if (mask) {
     // Erode
     mask = erodeMask(mask, imageData.width, imageData.height);

src/filters/Noise.ts

@@ -1,5 +1,5 @@
 import { Factory } from '../Factory';
-import { Node, Filter } from '../Node';
+import { Filter, Node } from '../Node';
 import { getNumberValidator } from '../Validators';
 
 /**

src/filters/Posterize.ts

@@ -1,6 +1,7 @@
 import { Factory } from '../Factory';
-import { Node, Filter } from '../Node';
+import { Filter, Node } from '../Node';
 import { getNumberValidator } from '../Validators';
+
 /**
  * Posterize Filter. Adjusts the channels so that there are no more
  *  than n different values for that channel. This is also applied
@@ -15,16 +16,14 @@ import { getNumberValidator } from '../Validators';
  * node.filters([Konva.Filters.Posterize]);
  * node.levels(0.8); // between 0 and 1
  */
-
 export const Posterize: Filter = function (imageData) {
   // level must be between 1 and 255
-  let levels = Math.round(this.levels() * 254) + 1,
+  const levels = Math.round(this.levels() * 254) + 1,
     data = imageData.data,
     len = data.length,
-    scale = 255 / levels,
+    scale = 255 / levels;
-    i;
 
-  for (i = 0; i < len; i += 1) {
+  for (let i = 0; i < len; i += 1) {
     data[i] = Math.floor(data[i] / scale) * scale;
   }
 };

src/filters/RGB.ts

@@ -15,18 +15,15 @@ import { RGBComponent } from '../Validators';
  * node.blue(120);
  * node.green(200);
  */
-
 export const RGB: Filter = function (imageData) {
-  let data = imageData.data,
+  const data = imageData.data,
     nPixels = data.length,
     red = this.red(),
     green = this.green(),
-    blue = this.blue(),
+    blue = this.blue();
-    i,
-    brightness;
 
-  for (i = 0; i < nPixels; i += 4) {
+  for (let i = 0; i < nPixels; i += 4) {
-    brightness =
+    const brightness =
       (0.34 * data[i] + 0.5 * data[i + 1] + 0.16 * data[i + 2]) / 255;
     data[i] = brightness * red; // r
     data[i + 1] = brightness * green; // g

src/filters/Sepia.ts

@@ -12,17 +12,13 @@ import { Filter } from '../Node';
  * node.filters([Konva.Filters.Sepia]);
  */
 export const Sepia: Filter = function (imageData) {
-  let data = imageData.data,
+  const data = imageData.data,
-    nPixels = data.length,
+    nPixels = data.length;
-    i,
-    r,
-    g,
-    b;
 
-  for (i = 0; i < nPixels; i += 4) {
+  for (let i = 0; i < nPixels; i += 4) {
-    r = data[i + 0];
+    const r = data[i + 0];
-    g = data[i + 1];
+    const g = data[i + 1];
-    b = data[i + 2];
+    const b = data[i + 2];
 
     data[i + 0] = Math.min(255, r * 0.393 + g * 0.769 + b * 0.189);
     data[i + 1] = Math.min(255, r * 0.349 + g * 0.686 + b * 0.168);

src/shapes/Arc.ts

@@ -98,7 +98,12 @@ export class Arc extends Shape<ArcConfig> {
 
 Arc.prototype._centroid = true;
 Arc.prototype.className = 'Arc';
-Arc.prototype._attrsAffectingSize = ['innerRadius', 'outerRadius'];
+Arc.prototype._attrsAffectingSize = [
+  'innerRadius',
+  'outerRadius',
+  'angle',
+  'clockwise',
+];
 _registerNode(Arc);
 
 // add getters setters

src/shapes/Label.ts

@@ -317,7 +317,10 @@ export class Tag extends Shape<TagConfig> {
     };
   }
 
-  pointerDirection: GetSet<'left' | 'top' | 'right' | 'bottom' | 'up' | 'down', this>;
+  pointerDirection: GetSet<
+    'left' | 'up' | 'right' | 'down' | typeof NONE,
+    this
+  >;
   pointerWidth: GetSet<number, this>;
   pointerHeight: GetSet<number, this>;
   cornerRadius: GetSet<number, this>;

src/shapes/Text.ts

@@ -16,14 +16,20 @@ import { GetSet } from '../types';
 export function stringToArray(string: string): string[] {
   // Use Unicode-aware splitting
   return [...string].reduce((acc, char, index, array) => {
-    // Handle emoji sequences (including ZWJ sequences)
+    // Handle emoji with skin tone modifiers and ZWJ sequences
-    if (
+    if (/\p{Emoji}/u.test(char)) {
-      /\p{Emoji_Modifier_Base}\p{Emoji_Modifier}?(?:\u200D\p{Emoji_Presentation})+/u.test(
+      // Check if next character is a modifier or ZWJ sequence
-        char
+      const nextChar = array[index + 1];
-      )
+      if (nextChar && /\p{Emoji_Modifier}|\u200D/u.test(nextChar)) {
-    ) {
+        // If we have a modifier, combine with current emoji
+        acc.push(char + nextChar);
+        // Skip the next character since we've used it
+        array[index + 1] = '';
+      } else {
+        // No modifier - treat as separate emoji
         acc.push(char);
       }
+    }
     // Handle regional indicator symbols (flags)
     else if (
       /\p{Regional_Indicator}{2}/u.test(char + (array[index + 1] || ''))
@@ -35,7 +41,8 @@ export function stringToArray(string: string): string[] {
       acc[acc.length - 1] += char;
     }
     // Handle other characters
-    else {
+    else if (char) {
+      // Only push if not an empty string (skipped modifier)
       acc.push(char);
     }
     return acc;
@@ -383,7 +390,8 @@ export class Text extends Shape<TextConfig> {
     return isAuto ? this.getTextWidth() + this.padding() * 2 : this.attrs.width;
   }
   getHeight() {
-    const isAuto = this.attrs.height === AUTO || this.attrs.height === undefined;
+    const isAuto =
+      this.attrs.height === AUTO || this.attrs.height === undefined;
     return isAuto
       ? this.fontSize() * this.textArr.length * this.lineHeight() +
           this.padding() * 2
@@ -475,10 +483,9 @@ export class Text extends Shape<TextConfig> {
   _getTextWidth(text: string) {
     const letterSpacing = this.letterSpacing();
     const length = text.length;
-    return (
+    // letterSpacing * length is the total letter spacing for the text
-      getDummyContext().measureText(text).width +
+    // previously we used letterSpacing * (length - 1) but it doesn't match DOM behavior
-      (length ? letterSpacing * (length - 1) : 0)
+    return getDummyContext().measureText(text).width + letterSpacing * length;
-    );
   }
   _setTextData() {
     let lines = this.text().split('\n'),
@@ -501,7 +508,9 @@ export class Text extends Shape<TextConfig> {
 
     this.textArr = [];
     getDummyContext().font = this._getContextFont();
-    const additionalWidth = shouldAddEllipsis ? this._getTextWidth(ELLIPSIS) : 0;
+    const additionalWidth = shouldAddEllipsis
+      ? this._getTextWidth(ELLIPSIS)
+      : 0;
     for (let i = 0, max = lines.length; i < max; ++i) {
       let line = lines[i];
 
@@ -517,13 +526,16 @@ export class Text extends Shape<TextConfig> {
            * that would fit in the specified width
            */
           let low = 0,
-            high = line.length,
+            high = stringToArray(line).length, // Convert to array for proper emoji handling
             match = '',
             matchWidth = 0;
           while (low < high) {
             const mid = (low + high) >>> 1,
-              substr = line.slice(0, mid + 1),
+              // Convert array indices to string
+              lineArray = stringToArray(line),
+              substr = lineArray.slice(0, mid + 1).join(''),
               substrWidth = this._getTextWidth(substr) + additionalWidth;
+
             if (substrWidth <= maxWidth) {
               low = mid + 1;
               match = substr;
@@ -541,20 +553,24 @@ export class Text extends Shape<TextConfig> {
             // a fitting substring was found
             if (wrapAtWord) {
               // try to find a space or dash where wrapping could be done
-              var wrapIndex;
+              const lineArray = stringToArray(line);
-              const nextChar = line[match.length];
+              const matchArray = stringToArray(match);
+              const nextChar = lineArray[matchArray.length];
               const nextIsSpaceOrDash = nextChar === SPACE || nextChar === DASH;
+
+              let wrapIndex;
               if (nextIsSpaceOrDash && matchWidth <= maxWidth) {
-                wrapIndex = match.length;
+                wrapIndex = matchArray.length;
               } else {
-                wrapIndex =
+                // Find last space or dash in the array
-                  Math.max(match.lastIndexOf(SPACE), match.lastIndexOf(DASH)) +
+                const lastSpaceIndex = matchArray.lastIndexOf(SPACE);
-                  1;
+                const lastDashIndex = matchArray.lastIndexOf(DASH);
+                wrapIndex = Math.max(lastSpaceIndex, lastDashIndex) + 1;
               }
+
               if (wrapIndex > 0) {
-                // re-cut the substring found at the space/dash position
                 low = wrapIndex;
-                match = match.slice(0, low);
+                match = lineArray.slice(0, low).join('');
                 matchWidth = this._getTextWidth(match);
               }
             }
@@ -575,13 +591,14 @@ export class Text extends Shape<TextConfig> {
                */
               break;
             }
-            line = line.slice(low);
+
-            line = line.trimLeft();
+            // Convert remaining text using array operations
+            const lineArray = stringToArray(line);
+            line = lineArray.slice(low).join('').trimLeft();
+
             if (line.length > 0) {
-              // Check if the remaining text would fit on one line
               lineWidth = this._getTextWidth(line);
               if (lineWidth <= maxWidth) {
-                // if it does, add the line and break out of the loop
                 this._addTextLine(line);
                 currentHeightPx += lineHeightPx;
                 textWidth = Math.max(textWidth, lineWidth);
@@ -623,7 +640,7 @@ export class Text extends Shape<TextConfig> {
    * 1. the current line is the last line
    * 2. wrap is NONE
    * @param {Number} currentHeightPx
-   * @returns
+   * @returns {Boolean}
    */
   _shouldHandleEllipsis(currentHeightPx: number): boolean {
     const fontSize = +this.fontSize(),

src/shapes/TextPath.ts

@@ -551,7 +551,7 @@ Factory.addGetterSetter(TextPath, 'text', EMPTY_STRING);
  * // underline text
  * shape.textDecoration('underline');
  */
-Factory.addGetterSetter(TextPath, 'textDecoration', null);
+Factory.addGetterSetter(TextPath, 'textDecoration', '');
 
 /**
  * get/set kerning function.
@@ -568,4 +568,4 @@ Factory.addGetterSetter(TextPath, 'textDecoration', null);
  *   return 1;
  * });
  */
-Factory.addGetterSetter(TextPath, 'kerningFunc', null);
+Factory.addGetterSetter(TextPath, 'kerningFunc', undefined);

src/shapes/Transformer.ts

@@ -335,10 +335,12 @@ export class Transformer extends Group {
           this.update();
         }
       };
+      if (node._attrsAffectingSize.length) {
         const additionalEvents = node._attrsAffectingSize
           .map((prop) => prop + 'Change.' + this._getEventNamespace())
           .join(' ');
         node.on(additionalEvents, onChange);
+      }
       node.on(
         TRANSFORM_CHANGE_STR.map(
           (e) => e + `.${this._getEventNamespace()}`
@@ -1745,8 +1747,6 @@ Factory.addGetterSetter(Transformer, 'ignoreStroke', false);
  */
 Factory.addGetterSetter(Transformer, 'padding', 0, getNumberValidator());
 
-Factory.addGetterSetter(Transformer, 'node');
-
 /**
  * get/set attached nodes of the Transformer. Transformer will adapt to their size and listen to their events
  * @method
@@ -1767,6 +1767,9 @@ Factory.addGetterSetter(Transformer, 'node');
  */
 
 Factory.addGetterSetter(Transformer, 'nodes');
+// @ts-ignore
+// deprecated
+Factory.addGetterSetter(Transformer, 'node');
 
 /**
  * get/set bounding box function. **IMPORTANT!** boundBondFunc operates in absolute coordinates.

src/types.ts

@@ -1,6 +1,6 @@
 export interface GetSet<Type, This> {
   (): Type;
-  (v: Type): This;
+  (v: Type | null | undefined): This;
 }
 
 export interface Vector2d {

test/sandbox.html

@@ -13,6 +13,27 @@
         width: 100vw;
         height: 100vh;
       }
+      body {
+        padding: 0;
+        margin: 0;
+      }
+
+      .test {
+        position: absolute;
+        color: red;
+        font-size: 20px;
+        font-family: Arial;
+        border: 0;
+        background-color: transparent;
+        outline: none;
+        resize: none;
+        overflow: hidden;
+        line-height: 1;
+        padding: 0px;
+        letter-spacing: 20px;
+        width: 500px;
+        text-align: center;
+      }
     </style>
     <!-- <script src="https://cdn.rawgit.com/hammerjs/touchemulator/master/touch-emulator.js"></script> -->
     <script>
@@ -26,6 +47,7 @@
 
   <body>
     <div id="container"></div>
+    <textarea class="test" id="text">Hello</textarea>
 
     <script type="module">
       import Konva from '../src/index.ts';
@@ -41,31 +63,25 @@
         height: stageHeight,
       });
 
-      var layer = new Konva.Layer();
+      Konva._fixTextRendering = true;
+
+      const layer = new Konva.Layer();
       stage.add(layer);
 
-      var rect = new Konva.Rect({
+      const shape = new Konva.Text({
-        x: 10,
+        x: 50,
-        y: 10,
+        y: 50,
-        width: 100,
+        text: 'Hello',
-        height: 100,
+        fontSize: 20,
-        fill: 'green',
+        fontFamily: 'Arial',
-        draggable: true,
+        letterSpacing: 20,
+        align: 'center',
+        width: 500,
       });
-      layer.add(rect);
+      layer.add(shape);
 
-      window.addEventListener('touchend', () => {
+      text.style.top = shape.y() + 'px';
-        console.log('touchend');
+      text.style.left = shape.x() + 'px';
-      });
-      window.addEventListener('touchcancel', () => {
-        console.log('touchcancel');
-      });
-      window.addEventListener('lostpointercapture', () => {
-        console.log('lostpointercapture');
-      });
-      window.addEventListener('focusout', () => {
-        console.log('focusout');
-      });
     </script>
   </body>
 </html>

test/unit/Image-test.ts

@@ -107,17 +107,10 @@ describe('Image', function () {
 
       var trace = layer.getContext().getTrace();
 
-      if (isBrowser) {
       assert.equal(
         trace,
         'clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);drawImage([object HTMLImageElement],135,7,167,134,0,0,100,100);restore();clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);drawImage([object HTMLImageElement],135,7,167,134,0,0,200,100);restore();clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);drawImage([object HTMLImageElement],135,7,167,134,0,0,100,100);restore();'
       );
-      } else {
-        assert.equal(
-          trace,
-          'clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);drawImage([object Object],135,7,167,134,0,0,100,100);restore();clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);drawImage([object Object],135,7,167,134,0,0,200,100);restore();clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);drawImage([object Object],135,7,167,134,0,0,100,100);restore();'
-        );
-      }
 
       done();
     });
@@ -241,17 +234,10 @@ describe('Image', function () {
 
       var trace = layer.getContext().getTrace();
 
-      if (isBrowser) {
       assert.equal(
         trace,
         'clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);globalAlpha=0.5;shadowColor=rgba(0,0,0,0.1);shadowBlur=10;shadowOffsetX=20;shadowOffsetY=20;drawImage([object HTMLImageElement],0,0,100,100);restore();'
       );
-      } else {
-        assert.equal(
-          trace,
-          'clearRect(0,0,578,200);save();transform(1,0,0,1,150,30);globalAlpha=0.5;shadowColor=rgba(0,0,0,0.1);shadowBlur=10;shadowOffsetX=20;shadowOffsetY=20;drawImage([object Object],0,0,100,100);restore();'
-        );
-      }
 
       done();
     });
@@ -285,17 +271,10 @@ describe('Image', function () {
 
       var trace = layer.getContext().getTrace();
 
-      if (isBrowser) {
       assert.equal(
         trace,
         'clearRect(0,0,578,200);save();shadowColor=rgba(0,0,0,0.5);shadowBlur=10;shadowOffsetX=20;shadowOffsetY=20;globalAlpha=0.5;drawImage([object HTMLCanvasElement],0,0,578,200);restore();'
       );
-      } else {
-        assert.equal(
-          trace,
-          'clearRect(0,0,578,200);save();shadowColor=rgba(0,0,0,0.5);shadowBlur=10;shadowOffsetX=20;shadowOffsetY=20;globalAlpha=0.5;drawImage([object Object],0,0,578,200);restore();'
-        );
-      }
 
       done();
     });

test/unit/Node-test.ts

@@ -2296,17 +2296,10 @@ describe('Node', function () {
 
     var bufferTrace = stage.bufferCanvas.getContext().getTrace();
 
-    if (isBrowser) {
     assert.equal(
       sceneTrace,
       'clearRect(0,0,578,200);save();globalAlpha=0.5;drawImage([object HTMLCanvasElement],0,0,578,200);restore();'
     );
-    } else {
-      assert.equal(
-        sceneTrace,
-        'clearRect(0,0,578,200);save();globalAlpha=0.5;drawImage([object Object],0,0,578,200);restore();'
-      );
-    }
 
     assert.equal(
       bufferTrace,

test/unit/Text-test.ts

@@ -146,7 +146,7 @@ describe('Text', function () {
     var text = new Konva.Text({
       x: 10,
       y: 10,
-      text: '😬',
+      text: '😬👧🏿',
       fontSize: 50,
       letterSpacing: 1,
     });
@@ -159,7 +159,36 @@ describe('Text', function () {
     context.textBaseline = 'middle';
     context.font = 'normal normal 50px Arial';
     context.fillStyle = 'darkgrey';
-    context.fillText('😬', 10, 10 + 25);
+    context.fillText('😬👧🏿', 10, 10 + 25);
+
+    compareLayerAndCanvas(layer, canvas, 254, 100);
+  });
+
+  it('check emoji rendering', function () {
+    var stage = addStage();
+    var layer = new Konva.Layer();
+
+    var text = new Konva.Text({
+      text: '😁😁😁',
+      x: 10,
+      y: 10,
+      fontSize: 20,
+      draggable: true,
+      width: 65,
+      fill: 'black',
+      scaleY: 0.9999999999999973,
+    });
+
+    layer.add(text);
+    stage.add(layer);
+
+    var canvas = createCanvas();
+    var context = canvas.getContext('2d');
+    context.textBaseline = 'middle';
+    context.font = 'normal normal 20px Arial';
+    context.fillStyle = 'black';
+    context.fillText('😁😁', 10, 10 + 10);
+    context.fillText('😁', 10, 10 + 30);
 
     compareLayerAndCanvas(layer, canvas, 254);
   });
@@ -282,7 +311,7 @@ describe('Text', function () {
     var oldWidth = text.width();
     text.letterSpacing(10);
 
-    assert.equal(text.width(), oldWidth + 40);
+    assert.equal(text.width(), oldWidth + 50);
     layer.draw();
   });
   // ======================================================
@@ -780,7 +809,7 @@ describe('Text', function () {
     }
 
     var trace =
-      'fillText(;,106.482,77);fillStyle=#555;fillText( ,117.549,77);fillStyle=#555;fillText(A,126.438,77);fillStyle=#555;fillText(n,140.776,77);fillStyle=#555;fillText(d,153.563,77);fillStyle=#555;fillText( ,168.525,77);fillStyle=#555;fillText(o,177.415,77);fillStyle=#555;fillText(n,190.201,77);fillStyle=#555;fillText(e,202.987,77);fillStyle=#555;fillText( ,217.95,77);fillStyle=#555;fillText(m,226.84,77);fillStyle=#555;fillText(a,243.502,77);fillStyle=#555;fillText(n,256.288,77);fillStyle=#555;fillText( ,271.251,77);fillStyle=#555;fillText(i,280.141,77);fillStyle=#555;fillText(n,288.251,77);fillStyle=#555;fillText( ,303.214,77);fillStyle=#555;fillText(h,312.104,77);fillStyle=#555;fillText(i,324.89,77);fillStyle=#555;fillText(s,333,77);restore();save();save();beginPath();moveTo(0,98);lineTo(245,98);stroke();restore();save();beginPath();moveTo(0,91);lineTo(245,91);stroke();restore();fillStyle=#555;fillText(t,0,91);fillStyle=#555;fillText(i,8.89,91);fillStyle=#555;fillText(m,17,91);fillStyle=#555;fillText(e,33.662,91);fillStyle=#555;fillText( ,46.448,91);fillStyle=#555;fillText(p,55.338,91);fillStyle=#555;fillText(l,68.124,91);fillStyle=#555;fillText(a,76.234,91);fillStyle=#555;fillText(y,89.021,91);fillStyle=#555;fillText(s,101.021,91);fillStyle=#555;fillText( ,113.021,91);fillStyle=#555;fillText(m,121.91,91);fillStyle=#555;fillText(a,138.572,91);fillStyle=#555;fillText(n,151.358,91);fillStyle=#555;fillText(y,164.145,91);fillStyle=#555;fillText( ,176.145,91);fillStyle=#555;fillText(p,185.034,91);fillStyle=#555;fillText(a,197.82,91);fillStyle=#555;fillText(r,210.606,91);fillStyle=#555;fillText(t,220.269,91);fillStyle=#555;fillText(s,229.158,91);fillStyle=#555;fillText(.,241.158,91);restore();restore();';
+      'fillText(;,106.482,77);fillStyle=#555;fillText( ,116.549,77);fillStyle=#555;fillText(A,125.438,77);fillStyle=#555;fillText(n,139.776,77);fillStyle=#555;fillText(d,152.563,77);fillStyle=#555;fillText( ,166.525,77);fillStyle=#555;fillText(o,175.415,77);fillStyle=#555;fillText(n,188.201,77);fillStyle=#555;fillText(e,200.987,77);fillStyle=#555;fillText( ,214.95,77);fillStyle=#555;fillText(m,223.84,77);fillStyle=#555;fillText(a,240.502,77);fillStyle=#555;fillText(n,253.288,77);fillStyle=#555;fillText( ,267.251,77);fillStyle=#555;fillText(i,276.141,77);fillStyle=#555;fillText(n,284.251,77);fillStyle=#555;fillText( ,298.214,77);fillStyle=#555;fillText(h,307.104,77);fillStyle=#555;fillText(i,319.89,77);fillStyle=#555;fillText(s,328,77);restore();save();save();beginPath();moveTo(0,98);lineTo(250,98);stroke();restore();save();beginPath();moveTo(0,91);lineTo(250,91);stroke();restore();fillStyle=#555;fillText(t,0,91);fillStyle=#555;fillText(i,8.89,91);fillStyle=#555;fillText(m,17,91);fillStyle=#555;fillText(e,33.662,91);fillStyle=#555;fillText( ,46.448,91);fillStyle=#555;fillText(p,55.338,91);fillStyle=#555;fillText(l,68.124,91);fillStyle=#555;fillText(a,76.234,91);fillStyle=#555;fillText(y,89.021,91);fillStyle=#555;fillText(s,101.021,91);fillStyle=#555;fillText( ,113.021,91);fillStyle=#555;fillText(m,121.91,91);fillStyle=#555;fillText(a,138.572,91);fillStyle=#555;fillText(n,151.358,91);fillStyle=#555;fillText(y,164.145,91);fillStyle=#555;fillText( ,176.145,91);fillStyle=#555;fillText(p,185.034,91);fillStyle=#555;fillText(a,197.82,91);fillStyle=#555;fillText(r,210.606,91);fillStyle=#555;fillText(t,220.269,91);fillStyle=#555;fillText(s,229.158,91);fillStyle=#555;fillText(.,241.158,91);restore();restore();';
 
     assert.equal(layer.getContext().getTrace(), trace);
   });
@@ -1244,9 +1273,9 @@ describe('Text', function () {
     // so we need to adjust offset
     const diff = isBrowser ? 4 : 50;
     assert.equal(Math.abs(Math.round(text1.width()) - 1725) < diff, true);
-    assert.equal(Math.abs(Math.round(text2.width()) - 2613) < diff, true);
+    assert.equal(Math.abs(Math.round(text2.width()) - 2616) < diff, true);
-    assert.equal(Math.abs(Math.round(text3.width()) - 2005) < diff, true);
+    assert.equal(Math.abs(Math.round(text3.width()) - 2009) < diff, true);
-    assert.equal(Math.abs(Math.round(text4.width()) - 1932) < diff, true);
+    assert.equal(Math.abs(Math.round(text4.width()) - 1936) < diff, true);
   });
 
   it('default text color should be black', function () {

test/unit/Transformer-test.ts

@@ -5088,4 +5088,49 @@ describe('Transformer', function () {
       }, 100);
     }, 100);
   });
+
+  it('should properly clean up subscriptions on detach/destroy', function () {
+    var stage = addStage();
+    var layer = new Konva.Layer();
+    stage.add(layer);
+
+    var rect = new Konva.Rect({
+      x: 100,
+      y: 60,
+      width: 100,
+      height: 100,
+      fill: 'yellow',
+    });
+    layer.add(rect);
+    // draw to attach all listeners
+    layer.draw();
+
+    // Count initial number of event listeners
+    var initialListeners = Object.keys(rect.eventListeners).length;
+
+    // Create and attach first transformer
+    var tr1 = new Konva.Transformer({
+      nodes: [rect],
+    });
+    layer.add(tr1);
+
+    // Destroy first transformer
+    tr1.destroy();
+
+    // Create and attach second transformer
+    var tr2 = new Konva.Transformer({
+      nodes: [rect],
+    });
+    layer.add(tr2);
+
+    // Destroy second transformer
+    tr2.destroy();
+
+    // Check that we have same number of listeners as initially
+    assert.equal(
+      Object.keys(rect.eventListeners).length,
+      initialListeners,
+      'Event listeners should be cleaned up properly'
+    );
+  });
 });