X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;ds=inline;f=src%2Fdygraph.js;fp=src%2Fdygraph.js;h=df6baf9bdea01a3693c6ca3e5f7ba3e5bd94de7d;hb=23b6c2e2d33b752d735f3b5d059d34440ff7f8c1;hp=735ddca0bddcd9085f8bc6ff0a1f915522d9f5f7;hpb=bf7d192b5aef6ea82e7e627d4cfcfca1cb978f23;p=dygraphs.git

diff --git a/src/dygraph.js b/src/dygraph.js
index 735ddca..df6baf9 100644
--- a/src/dygraph.js
+++ b/src/dygraph.js
@@ -3247,9 +3247,9 @@ Dygraph.prototype.parseDataTable_ = function(data) {
     this.attrs_.axes.x.ticker = Dygraph.numericTicks;
     this.attrs_.axes.x.axisLabelFormatter = this.attrs_.axes.x.valueFormatter;
   } else {
-    console.error("only 'date', 'datetime' and 'number' types are supported " +
-                  "for column 1 of DataTable input (Got '" + indepType + "')");
-    return null;
+    throw new Error(
+          "only 'date', 'datetime' and 'number' types are supported " +
+          "for column 1 of DataTable input (Got '" + indepType + "')");
   }
 
   // Array of the column indices which contain data (and not annotations).
@@ -3271,8 +3271,9 @@ Dygraph.prototype.parseDataTable_ = function(data) {
       }
       hasAnnotations = true;
     } else {
-      console.error("Only 'number' is supported as a dependent type with Gviz." +
-                    " 'string' is only supported if displayAnnotations is true");
+      throw new Error(
+          "Only 'number' is supported as a dependent type with Gviz." +
+          " 'string' is only supported if displayAnnotations is true");
     }
   }