@devexpress/dx-chart-core - npm Package Compare versions

Comparing version 2.0.1 to 2.0.2

dist/dx-chart-core.es.js

 /**
  * Bundle of @devexpress/dx-chart-core
- * Generated: 2019-07-19
- * Version: 2.0.1
+ * Generated: 2019-08-01
+ * Version: 2.0.2
  * License: https://js.devexpress.com/Licensing
@@ -221,22 +221,47 @@ */
 };
+// Defines how much linear scale can be zoomed it.
+// I.e. if original scale domain has size of 1, then fully zoomed scale domain has size
+// of 1 / LINEAR_SCALE_ZOOMING_THRESHOLD.
+var LINEAR_SCALE_ZOOMING_THRESHOLD = 1000;
 var growLinearScaleBounds = function (scale, bounds, delta, anchor) {
     var fullRange = scale.range();
+    var minRangeThreshold = (fullRange[1] - fullRange[0]) / LINEAR_SCALE_ZOOMING_THRESHOLD;
     var sign = Math.sign(fullRange[1] - fullRange[0]);
     var range = scaleBounds(scale, bounds);
+    // If zooming in and initial range is already too small then do nothing.
+    if (delta > 0 && Math.abs(range[1] - range[0]) <= Math.abs(minRangeThreshold)) {
+        return bounds;
+    }
+    // If zooming out and initial range is already too large then do nothing.
+    if (delta < 0 && Math.abs(range[1] - range[0]) >= Math.abs(fullRange[1] - fullRange[0])) {
+        return bounds;
+    }
     var t = Math.abs((anchor - range[0]) / (range[1] - range[0]));
     var r0 = range[0] + sign * delta * 2 * t;
     var r1 = range[1] - sign * delta * 2 * (1 - t);
-    // Check if new range is outside of the left border.
+    // If new range is outside of the left border then clamp it.
     if (Math.sign(r0 - fullRange[0]) !== sign) {
         r0 = fullRange[0];
     }
-    // Check if new range is outside of the right border.
+    // If new range is outside of the right border then clamp it.
     if (Math.sign(fullRange[1] - r1) !== sign) {
         r1 = fullRange[1];
     }
-    var minRangeThreshold = (fullRange[1] - fullRange[0]) / 100;
-    // Check if new range is too small.
+    // If new range is too small then make it no less than minimal available.
     if (Math.sign(r1 - r0) !== sign || Math.abs(r1 - r0) < Math.abs(minRangeThreshold)) {
-        r0 = anchor - minRangeThreshold / 2;
-        r1 = anchor + minRangeThreshold / 2;
+        if (Math.abs(r0 - range[0]) < Math.abs(minRangeThreshold / 2)) {
+            // Dock it to the start.
+            r0 = range[0];
+            r1 = r0 + minRangeThreshold;
+        }
+        else if (Math.abs(r1 - range[1]) < Math.abs(minRangeThreshold / 2)) {
+            // Dock it to the end.
+            r1 = range[1];
+            r0 = r1 - minRangeThreshold;
+        }
+        else {
+            // Dock it to the anchor.
+            r0 = anchor - minRangeThreshold / 2;
+            r1 = anchor + minRangeThreshold / 2;
+        }
     }
@@ -243,0 +268,0 @@ var newBounds = [scale.invert(r0), scale.invert(r1)];

package.json

 {
   "name": "@devexpress/dx-chart-core",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Core library for the DevExtreme Reactive Chart component",
@@ -51,3 +51,3 @@ "author": {
     "rollup-plugin-replace": "^2.2.0",
-    "rollup-plugin-typescript2": "^0.22.0",
+    "rollup-plugin-typescript2": "^0.22.1",
     "ts-jest": "^24.0.2",
@@ -60,6 +60,6 @@ "tslint": "^5.18.0",
     "d3-array": "^2.2.0",
-    "d3-scale": "^3.0.0",
+    "d3-scale": "^3.0.1",
     "d3-shape": "^1.3.5"
   },
-  "gitHead": "7bb662371274270b29ed478ec6750649eb92c80d"
+  "gitHead": "781df644dad87a3308ced4a4bbb25e077d9cf094"
 }

No alert changes

Improved metrics

Total package byte prevSize

377296

increased by1.69%

Lines of code

2953

increased by1.72%

Dependency changes

• Updatedd3-scale@^3.0.1