Fixed bug: 'Cannot read property each of undefined', fixed points size (#2307)

* Fixed bug: 'Cannot read property each of undefined', fixed points size

* Updated version, updated changelog

CHANGELOG.md

@@ -62,6 +62,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 -   Git application name (renamed to dataset_repo) (<https://github.com/openvinotoolkit/cvat/pull/2243>)
 -   A problem in exporting of tracks, where tracks could be truncated (<https://github.com/openvinotoolkit/cvat/issues/2129>)
 -   Fixed CVAT startup process if the user has `umask 077` in .bashrc file (<https://github.com/openvinotoolkit/cvat/pull/2293>)
+-   Exception: Cannot read property "each" of undefined after drawing a single point (<https://github.com/openvinotoolkit/cvat/pull/2307>)
 
 ### Security
 

cvat-canvas/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "cvat-canvas",
-  "version": "2.1.2",
+  "version": "2.1.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

cvat-canvas/package.json

@@ -1,6 +1,6 @@
 {
   "name": "cvat-canvas",
-  "version": "2.1.2",
+  "version": "2.1.3",
   "description": "Part of Computer Vision Annotation Tool which presents its canvas library",
   "main": "src/canvas.ts",
   "scripts": {

cvat-canvas/src/typescript/drawHandler.ts

@@ -311,12 +311,16 @@ export class DrawHandlerImpl implements DrawHandler {
 
         const sizeDecrement = (): void => {
             if (--size === 0) {
-                this.drawInstance.draw('done');
+                // we need additional settimeout because we cannot invoke draw('done')
+                // from event listener for drawstart event
+                // because of implementation of svg.js
+                setTimeout((): void => this.drawInstance.draw('done'));
             }
         };
 
         this.drawInstance.on('drawstart', sizeDecrement);
         this.drawInstance.on('drawpoint', sizeDecrement);
+        this.drawInstance.on('drawupdate', (): void => this.transform(this.geometry));
         this.drawInstance.on('undopoint', (): number => size++);
 
         // Add ability to cancel the latest drawn point

cvat-canvas/src/typescript/editHandler.ts

@@ -122,7 +122,8 @@ export class EditHandlerImpl implements EditHandler {
             this.transform(this.geometry);
             lastDrawnPoint.x = e.detail.event.clientX;
             lastDrawnPoint.y = e.detail.event.clientY;
-        }).draw(dummyEvent, { snapToGrid: 0.1 });
+        }).on('drawupdate', (): void => this.transform(this.geometry))
+            .draw(dummyEvent, { snapToGrid: 0.1 });
 
         if (this.editData.state.shapeType === 'points') {
             this.editLine.attr('stroke-width', 0);