Merge branch 'fix-error-handling' into 'master'

Fix error handling

See merge request !30

main.go

@@ -123,7 +123,13 @@ func buildViamAPI() string {
 				}
 			}
 
-			result += "ViamAPI.prototype." + packageStr + strings.Title(methodStr) + " = function(config, " + args + ") {\n" +
+			lastComma := ","
+
+			if args == "" {
+				lastComma = ""
+			}
+
+			result += "ViamAPI.prototype." + packageStr + strings.Title(methodStr) + " = function(config" + lastComma + args + ") {\n" +
 				"    return axios.post(window.API_HOST + '" + packageStr + "/" + methodStr + "', {\n"
 
 			for i := 0; i < lenFields; i++ {
@@ -149,7 +155,7 @@ func buildViamAPI() string {
 			methodStr := splits[len(splits)-1]
 
 			result += "ViamAPI.prototype." + packageStr + strings.Title(methodStr) + " = function(config, data) {\n" +
-				"    return axios.post(window.API_HOST + '" + packageStr + "/" + methodStr + "', data, merge({}, this.config, config));\n" +
+				"    return axios.post(window.API_HOST + '" + packageStr + "/" + methodStr + "', data || {}, merge({}, this.config, config));\n" +
 				"};\n\n"
 		}
 	}