Update d3-shape.

README.md

@@ -685,7 +685,8 @@ Interpolate between points to produce a continuous shape.
 * [d3.curveCatmullRomOpen](https://github.com/d3/d3-shape#curveCatmullRomOpen) - a cubic Catmull–Rom spline.
 * [d3.curveLinear](https://github.com/d3/d3-shape#curveLinear) - a polyline.
 * [d3.curveLinearClosed](https://github.com/d3/d3-shape#curveLinearClosed) - a closed polyline.
-* [d3.curveMonotone](https://github.com/d3/d3-shape#curveMonotone) - a cubic spline that preserves monotonicity in *y*.
+* [d3.curveMonotoneX](https://github.com/d3/d3-shape#curveMonotoneX) - a cubic spline that, given monotonicity in *x*, preserves it in *y*.
+* [d3.curveMonotoneY](https://github.com/d3/d3-shape#curveMonotoneY) - a cubic spline that, given monotonicity in *y*, preserves it in *x*.
 * [d3.curveNatural](https://github.com/d3/d3-shape#curveNatural) - a natural cubic spline.
 * [d3.curveStep](https://github.com/d3/d3-shape#curveStep) - a piecewise constant function.
 * [d3.curveStepAfter](https://github.com/d3/d3-shape#curveStepAfter) - a piecewise constant function.

index.js

@@ -133,7 +133,8 @@ export {
   curveCatmullRom,
   curveLinearClosed,
   curveLinear,
-  curveMonotone,
+  curveMonotoneX,
+  curveMonotoneY,
   curveNatural,
   curveStep,
   curveStepAfter,

package.json

@@ -55,7 +55,7 @@
     "d3-request": "0.3.1",
     "d3-scale": "0.5.2",
     "d3-selection": "0.6.3",
-    "d3-shape": "0.4.0",
+    "d3-shape": "0.5.0",
     "d3-time": "0.2.0",
     "d3-time-format": "0.3.0",
     "d3-timer": "0.1.0",