pure-canvas - npm Package Compare versions

Comparing version 0.5.1 to 0.5.2

lib/LayerCached.js

@@ -25,16 +25,22 @@ "use strict";
     };
+    LayerCached.prototype.invalidateBounds = function () {
+        this.cachedBounds = undefined;
+    };
     LayerCached.prototype.getBounds = function () {
-        if (this.clipRegion) {
-            var _a = this.clipRegion, clipMinX = _a.minX, clipMinY = _a.minY, clipMaxX = _a.maxX, clipMaxY = _a.maxY;
-            var _b = _super.prototype.getBounds.call(this), minX = _b.minX, minY = _b.minY, maxX = _b.maxX, maxY = _b.maxY;
-            return {
-                minX: Math.max(minX, clipMinX),
-                minY: Math.max(minY, clipMinY),
-                maxX: Math.min(maxX, clipMaxX),
-                maxY: Math.min(maxY, clipMaxY)
-            };
+        if (!this.cachedBounds) {
+            if (this.clipRegion) {
+                var _a = this.clipRegion, clipMinX = _a.minX, clipMinY = _a.minY, clipMaxX = _a.maxX, clipMaxY = _a.maxY;
+                var _b = _super.prototype.getBounds.call(this), minX = _b.minX, minY = _b.minY, maxX = _b.maxX, maxY = _b.maxY;
+                this.cachedBounds = {
+                    minX: Math.max(minX, clipMinX),
+                    minY: Math.max(minY, clipMinY),
+                    maxX: Math.min(maxX, clipMaxX),
+                    maxY: Math.min(maxY, clipMaxY)
+                };
+            }
+            else {
+                this.cachedBounds = _super.prototype.getBounds.call(this);
+            }
         }
-        else {
-            return _super.prototype.getBounds.call(this);
-        }
+        return this.cachedBounds;
     };
@@ -41,0 +47,0 @@ LayerCached.prototype.draw = function (context) {

package.json

 {
   "name": "pure-canvas",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "TODO",
@@ -5,0 +5,0 @@ "main": "lib/index.js",

src/LayerCached.ts

@@ -17,2 +17,4 @@ import Node, {Bounds, Point} from './Node';
 
+    private cachedBounds?: Bounds;
+
     private treeManager: TreeManager;
@@ -29,19 +31,26 @@
 
-    invalidateIndex() {
+    invalidateIndex(): void {
         this.treeManager = undefined;
     }
 
+    invalidateBounds(): void {
+        this.cachedBounds = undefined;
+    }
+
     getBounds(): Bounds {
-        if (this.clipRegion) {
-            const {minX: clipMinX, minY: clipMinY, maxX: clipMaxX, maxY: clipMaxY} = this.clipRegion;
-            const {minX, minY, maxX, maxY} = super.getBounds();
-            return {
-                minX: Math.max(minX, clipMinX),
-                minY: Math.max(minY, clipMinY),
-                maxX: Math.min(maxX, clipMaxX),
-                maxY: Math.min(maxY, clipMaxY)
-            };
-        } else {
-            return super.getBounds();
+        if (!this.cachedBounds) {
+            if (this.clipRegion) {
+                const {minX: clipMinX, minY: clipMinY, maxX: clipMaxX, maxY: clipMaxY} = this.clipRegion;
+                const {minX, minY, maxX, maxY} = super.getBounds();
+                this.cachedBounds = {
+                    minX: Math.max(minX, clipMinX),
+                    minY: Math.max(minY, clipMinY),
+                    maxX: Math.min(maxX, clipMaxX),
+                    maxY: Math.min(maxY, clipMaxY)
+                };
+            } else {
+                this.cachedBounds = super.getBounds();
+            }
         }
+        return this.cachedBounds;
     }
@@ -48,0 +57,0 @@

No alert changes

Improved metrics

Total package byte prevSize

207240

increased by0.74%

Lines of code

2603

increased by0.5%

No dependency changes