check for existing DEF

1 files changed, 7 insertions, 5 deletions

diff --git a/docs/examples/assets/js/jsrrdgraph.js b/docs/examples/assets/js/jsrrdgraph.js
index a7d0b9e..7dfdcad 100644
--- a/docs/examples/assets/js/jsrrdgraph.js
+++ b/docs/examples/assets/js/jsrrdgraph.js
@@ -4220,7 +4220,7 @@ RRDGraph.prototype = {
             for (var j = n, xlen = args.length ; j < xlen ; j++) {
                 var opts = args[j].split("=");
                 if (opts[0] === "step") step = opts[1];
-                if (opts[0] === "reduce") reduce = opts[1]
+                if (opts[0] === "reduce") reduce = opts[1];
                 if (opts[0] === "start") start = opts[1];
                 if (opts[0] === "end") end = opts[1];
             }
@@ -4229,7 +4229,7 @@ RRDGraph.prototype = {
     },
     create_def: function (vname, rrdfile, name, cf, step, start, end, reduce)
     {
-        var gdp = new	RRDGraphDesc(this);
+        var gdp = new RRDGraphDesc(this);
         var start_t = new RRDTime(this.start);
         var end_t = new RRDTime(this.end);
 
@@ -4293,9 +4293,11 @@ RRDGraph.prototype = {
         var index = rpn.indexOf(',');
         var name = rpn.substring(0,index);
         gdp.vidx = this.find_var(name); // FIXME checks
-        if (this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.DEF && this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.CDEF) {
+        if (gdp.vidx === -1
+            || this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.DEF
+            && this.gdes[gdp.vidx].gf != RRDGraphDesc.GF.CDEF) {
             throw 'variable "'+name+'" not DEF nor CDEF in VDEF.';
-    }
+        }
 
         this.vdef_parse(gdp, rpn.substring(index+1));
 
@@ -4451,7 +4453,7 @@ RRDGraph.prototype = {
             gdp.format = format;
         }
     //	if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF && gdp.strftm === true) // FIXME
-        if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF && strtime === true) // FIXME
+        if (this.gdes[gdp.vidx].gf === RRDGraphDesc.GF.VDEF && strftime === true) // FIXME
             gdp.strftm = true;
         this.gdes.push(gdp);
     },