X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-utils.js;h=9f4fcb0052eedd7aeaa30e3281797c633d6174c9;hb=2996a18eb00729b2624d8d75e8d24b056c5732bc;hp=0ae3f08f24bd1ff4c800ab1e4c8efffeea60447e;hpb=78e58af463c6b5a09d85d6014bbdba0b3d8a605a;p=dygraphs.git

diff --git a/dygraph-utils.js b/dygraph-utils.js
index 0ae3f08..9f4fcb0 100644
--- a/dygraph-utils.js
+++ b/dygraph-utils.js
@@ -35,6 +35,13 @@ Dygraph.ERROR = 3;
 // https://github.com/eriwen/javascript-stacktrace
 Dygraph.LOG_STACK_TRACES = false;
 
+/** A dotted line stroke pattern. */
+Dygraph.DOTTED_LINE = [2, 2];
+/** A dashed line stroke pattern. */
+Dygraph.DASHED_LINE = [7, 3];
+/** A dot dash stroke pattern. */
+Dygraph.DOT_DASH_LINE = [7, 2, 2, 2];
+
 /**
  * @private
  * Log an error on the JS console at the given severity.
@@ -778,6 +785,29 @@ Dygraph.isPixelChangingOptionList = function(labels, attrs) {
   return requiresNewPoints;
 };
 
+/**
+ * Compares two arrays to see if they are equal. If either parameter is not an
+ * array it will return false. Does a shallow compare 
+ * Dygraph.compareArrays([[1,2], [3, 4]], [[1,2], [3,4]]) === false.
+ * @param array1 first array
+ * @param array2 second array
+ * @return True if both parameters are arrays, and contents are equal.
+ */
+Dygraph.compareArrays = function(array1, array2) {
+  if (!Dygraph.isArrayLike(array1) || !Dygraph.isArrayLike(array2)) {
+    return false;
+  }
+  if (array1.length !== array2.length) {
+    return false;
+  }
+  for (var i = 0; i < array1.length; i++) {
+    if (array1[i] !== array2[i]) {
+      return false;
+    }
+  }
+  return true;
+};
+
 
 Dygraph.RegularConvex = function(sides, rotation) {
   this.sides = sides;