X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dashed-canvas.js;h=cec77298a8441fe6c69daf729e092efd7be32abb;hb=5ec8b8ae742a9aac74d089f60645954ee06c7086;hp=d8ebac077c293d5fd799fed3eeabdcf5a0deba15;hpb=8458f3530c0fbcc35f5ffbea6e2a74413d1804dd;p=dygraphs.git

diff --git a/dashed-canvas.js b/dashed-canvas.js
index d8ebac0..cec7729 100644
--- a/dashed-canvas.js
+++ b/dashed-canvas.js
@@ -40,12 +40,14 @@
  * property and "uninstallPattern" method to this particular canvas context.
  * You must call uninstallPattern() before calling installPattern() again.
  *
- * @param {pattern | Array<Number>} A description of the stroke pattern. Even
+ * @param {Array.<number>} pattern A description of the stroke pattern. Even
  * indices indicate a draw and odd indices indicate a gap (in pixels). The
  * array should have a even length as any odd lengthed array could be expressed
  * as a smaller even length array.
  */
 CanvasRenderingContext2D.prototype.installPattern = function(pattern) {
+  "use strict";
+
   if (typeof(this.isPatternInstalled) !== 'undefined') {
     throw "Must un-install old line pattern before installing a new one.";
   }
@@ -63,6 +65,7 @@ CanvasRenderingContext2D.prototype.installPattern = function(pattern) {
   var realMoveTo = this.moveTo;
   var realStroke = this.stroke;
 
+  /** @type {function()|undefined} */
   this.uninstallPattern = function() {
     this.beginPath = realBeginPath;
     this.lineTo = realLineTo;
@@ -115,10 +118,10 @@ CanvasRenderingContext2D.prototype.installPattern = function(pattern) {
 
         // Set last pattern index we used for this pattern.
         var patternIndex = dashedLineToHistory[0];
-        x = 0;
+        var x = 0;
         while (len > x) {
           // Get the length of the pattern segment we are dealing with.
-          segment = pattern[patternIndex];
+          var segment = pattern[patternIndex];
           // If our last draw didn't complete the pattern segment all the way
           // we will try to finish it. Otherwise we will try to do the whole
           // segment.