Merge pull request #86 from JamesLMilner/freehand-closing-point

feat: prevent creating points around closing point

src/modes/freehand/freehand.mode.ts

@@ -45,10 +45,12 @@ export class TerraDrawFreehandMode extends TerraDrawBaseDrawMode<FreehandPolygon
 	private minDistance: number;
 	private keyEvents: TerraDrawFreehandModeKeyEvents;
 	private cursors: Required<Cursors>;
+	private preventPointsNearClose: boolean;
 
 	constructor(options?: {
 		styles?: Partial<FreehandPolygonStyling>;
 		minDistance?: number;
+		preventPointsNearClose?: boolean;
 		keyEvents?: TerraDrawFreehandModeKeyEvents | null;
 		cursors?: Cursors;
 	}) {
@@ -65,6 +67,9 @@ export class TerraDrawFreehandMode extends TerraDrawBaseDrawMode<FreehandPolygon
 			this.cursors = defaultCursors;
 		}
 
+		this.preventPointsNearClose =
+			(options && options.preventPointsNearClose) || true;
+
 		this.minDistance = (options && options.minDistance) || 20;
 
 		// We want to have some defaults, but also allow key bindings
@@ -142,6 +147,12 @@ export class TerraDrawFreehandMode extends TerraDrawBaseDrawMode<FreehandPolygon
 
 		if (closingDistance < this.pointerDistance) {
 			this.setCursor(this.cursors.close);
+
+			// We want to prohibit drawing new points at or around the closing
+			// point as it can be non user friendly
+			if (this.preventPointsNearClose) {
+				return;
+			}
 		} else {
 			this.setCursor(this.cursors.start);
 		}