vendor/assets/javascripts/d3.v2.js in d3_rails-2.9.2 vs vendor/assets/javascripts/d3.v2.js in d3_rails-2.9.4.rc1

@@ -8,11 +8,11 @@
       d3_style_setProperty = d3_style_prototype.setProperty;
   d3_style_prototype.setProperty = function(name, value, priority) {
     d3_style_setProperty.call(this, name, value + "", priority);
   };
 }
-d3 = {version: "2.9.2"}; // semver
+d3 = {version: "2.9.4"}; // semver
 function d3_class(ctor, properties) {
   try {
     for (var key in properties) {
       Object.defineProperty(ctor.prototype, key, {
         value: properties[key],
@@ -492,11 +492,11 @@
   req.open("GET", url, true);
   if (mime) req.setRequestHeader("Accept", mime);
   req.onreadystatechange = function() {
     if (req.readyState === 4) {
       var s = req.status;
-      callback(s >= 200 && s < 300 || s === 304 ? req : null);
+      callback(!s && req.response || s >= 200 && s < 300 || s === 304 ? req : null);
     }
   };
   req.send(null);
 };
 d3.text = function(url, mime, callback) {
@@ -1513,11 +1513,11 @@
     d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector,
     d3_selectMatches = function(n, s) { return d3_selectMatcher.call(n, s); };
 
 // Prefer Sizzle, if available.
 if (typeof Sizzle === "function") {
-  d3_select = function(s, n) { return Sizzle(s, n)[0]; };
+  d3_select = function(s, n) { return Sizzle(s, n)[0] || null; };
   d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); };
   d3_selectMatches = Sizzle.matchesSelector;
 }
 
 var d3_selectionPrototype = [];
@@ -2811,15 +2811,15 @@
   };
 
   scale.tickFormat = function(n, format) {
     if (arguments.length < 2) format = d3_scale_logFormat;
     if (arguments.length < 1) return format;
-    var k = n / scale.ticks().length,
+    var k = Math.max(.1, n / scale.ticks().length),
         f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil),
         e;
     return function(d) {
-      return d / pow(f(log(d) + e)) < k ? format(d) : "";
+      return d / pow(f(log(d) + e)) <= k ? format(d) : "";
     };
   };
 
   scale.copy = function() {
     return d3_scale_log(linear.copy(), log);
@@ -3545,23 +3545,25 @@
   }
   return path.join("");
 }
 
 function d3_svg_lineBundle(points, tension) {
-  var n = points.length - 1,
-      x0 = points[0][0],
-      y0 = points[0][1],
-      dx = points[n][0] - x0,
-      dy = points[n][1] - y0,
-      i = -1,
-      p,
-      t;
-  while (++i <= n) {
-    p = points[i];
-    t = i / n;
-    p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
-    p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+  var n = points.length - 1;
+  if (n) {
+    var x0 = points[0][0],
+        y0 = points[0][1],
+        dx = points[n][0] - x0,
+        dy = points[n][1] - y0,
+        i = -1,
+        p,
+        t;
+    while (++i <= n) {
+      p = points[i];
+      t = i / n;
+      p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+      p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+    }
   }
   return d3_svg_lineBasis(points);
 }
 
 // Returns the dot product of the given four-element vectors.
@@ -9033,10 +9035,11 @@
 function d3_time_formatIsoNative(date) {
   return date.toISOString();
 }
 
 d3_time_formatIsoNative.parse = function(string) {
-  return new Date(string);
+  var date = new Date(string);
+  return isNaN(date) ? null : date;
 };
 
 d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
 function d3_time_interval(local, step, number) {