fix all lint errors

[dygraphs.git] / dygraph.js

diff --git a/dygraph.js b/dygraph.js
index cec7c20..3a8cd32 100644 (file)
--- a/dygraph.js
+++ b/dygraph.js
@@ -437,8 +437,8 @@ Dygraph.prototype.__init__ = function(div, file, attrs) {
   // Activate plugins.
   this.plugins_ = [];
   for (var i = 0; i < Dygraph.PLUGINS.length; i++) {
-    var plugin = Dygraph.PLUGINS[i];
-    var pluginInstance = new plugin();
+    var Plugin = Dygraph.PLUGINS[i];
+    var pluginInstance = new Plugin();
     var pluginDict = {
       plugin: pluginInstance,
       events: {},
@@ -482,7 +482,7 @@ Dygraph.prototype.__init__ = function(div, file, attrs) {
  * @private
  */
 Dygraph.prototype.cascadeEvents_ = function(name, extra_props) {
-  if (!name in this.eventListeners_) return true;
+  if (!(name in this.eventListeners_)) return true;
 
   // QUESTION: can we use objects & prototypes to speed this up?
   var e = {
@@ -518,11 +518,13 @@ Dygraph.prototype.cascadeEvents_ = function(name, extra_props) {
  * Axis is an optional parameter. Can be set to 'x' or 'y'.
  *
  * The zoomed status for an axis is set whenever a user zooms using the mouse
- * or when the dateWindow or valueRange are updated (unless the isZoomedIgnoreProgrammaticZoom
- * option is also specified).
+ * or when the dateWindow or valueRange are updated (unless the
+ * isZoomedIgnoreProgrammaticZoom option is also specified).
  */
 Dygraph.prototype.isZoomed = function(axis) {
-  if (axis == null) return this.zoomed_x_ || this.zoomed_y_;
+  if (axis === null || axis === undefined) {
+    return this.zoomed_x_ || this.zoomed_y_;
+  }
   if (axis === 'x') return this.zoomed_x_;
   if (axis === 'y') return this.zoomed_y_;
   throw "axis parameter is [" + axis + "] must be null, 'x' or 'y'.";
@@ -570,7 +572,7 @@ Dygraph.prototype.attr_ = function(name, seriesName) {
       }
       if (seriesName === this.highlightSet_ &&
           this.user_attrs_.hasOwnProperty('highlightSeriesOpts')) {
-        sources.push(this.user_attrs_['highlightSeriesOpts']);
+        sources.push(this.user_attrs_.highlightSeriesOpts);
       }
     }
   }
@@ -1521,7 +1523,8 @@ Dygraph.prototype.doUnzoom_ = function() {
       newValueRanges = [];
       for (i = 0; i < this.axes_.length; i++) {
         var axis = this.axes_[i];
-        newValueRanges.push(axis.valueRange != null ? axis.valueRange : axis.extremeRange);
+        newValueRanges.push(axis.valueRange !== null ?
+                            axis.valueRange : axis.extremeRange);
       }
     }
 
@@ -1723,7 +1726,7 @@ Dygraph.prototype.findStackedPoint = function(domX, domY) {
       }
     }
     // Stop if the point (domX, py) is above this series' upper edge
-    if (setIdx == 0 || py < domY) {
+    if (setIdx === 0 || py < domY) {
       closestPoint = p1;
       closestSeries = setIdx;
     }
@@ -1952,7 +1955,7 @@ Dygraph.prototype.setSelection = function(row, opt_seriesName, opt_locked) {
           point = this.layout_.unstackPointAtIndex(setIdx, row);
         }
 
-        if (!(point.yval === null)) this.selPoints_.push(point);
+        if (point.yval !== null) this.selPoints_.push(point);
       }
     }
   } else {
@@ -3134,7 +3137,7 @@ Dygraph.prototype.parseDataTable_ = function(data) {
       num = Math.floor((num - 1) / 26);
     }
     return shortText;
-  }
+  };
 
   var cols = data.getNumberOfColumns();
   var rows = data.getNumberOfRows();