motto and otto for nodejs module syntax in custom filters

.gitmodules

@@ -58,3 +58,6 @@
 [submodule "vendor/gopkg.in/sourcemap.v1"]
 	path = vendor/gopkg.in/sourcemap.v1
 	url = https://gopkg.in/sourcemap.v1
+[submodule "vendor/github.com/ddliu/motto"]
+	path = vendor/github.com/ddliu/motto
+	url = https://github.com/ddliu/motto

helper/template_filters.go

@@ -5,9 +5,9 @@ import (
 	"path"
 	"strings"
 
+	"github.com/ddliu/motto"
 	"github.com/flosch/pongo2"
 	_ "github.com/flosch/pongo2-addons"
-	"github.com/robertkrimen/otto"
 	_ "github.com/robertkrimen/otto/underscore"
 )
 
@@ -29,6 +29,7 @@ func MarkdownFilter(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *pong
 		nil
 }
 
+// RegisterFilters reads a directory and register filters from files within it
 func RegisterFilters(dir string) {
 	files, err := ioutil.ReadDir(dir)
 	if err != nil {
@@ -38,14 +39,17 @@ func RegisterFilters(dir string) {
 		if !f.IsDir() {
 			switch path.Ext(f.Name()) {
 			case ".js":
+				fileBase := strings.TrimSuffix(f.Name(), ".js")
 				jsFile := dir + "/" + f.Name()
 				Log.Debugf("trying to register filter from: %s", jsFile)
+				/*
 					jsStr, err := ioutil.ReadFile(jsFile)
 					if err != nil {
 						Log.Panicf("could not read '%s': %s", jsFile, err)
 					}
-				vm := otto.New()
+				*/
-				fn, err := vm.Run(jsStr)
+				vm := motto.New()
+				fn, err := vm.Run(jsFile)
 				if err != nil {
 					Log.Panicf("error in javascript vm for '%s': %s", jsFile, err)
 				}
@@ -54,7 +58,7 @@ func RegisterFilters(dir string) {
 				}
 
 				err = pongo2.RegisterFilter(
-					strings.TrimSuffix(f.Name(), ".js"),
+					fileBase,
 					func(in, param *pongo2.Value) (out *pongo2.Value, erro *pongo2.Error) {
 						thisObj, _ := vm.Object("({})")
 						if currentContext != nil {

helper/template_functions.go

@@ -13,7 +13,7 @@ import (
 // RequestFn will make a web request and returns map[string]interface form pongo2
 func RequestFn(url *pongo2.Value, args ...*pongo2.Value) *pongo2.Value {
 	u := url.String()
-	Log.Notice("requesting url via GET %s", u)
+	Log.Noticef("requesting url via GET %s", u)
 
 	resp, err := http.Get(u)
 	if err != nil {

vendor/github.com/ddliu/motto

@@ -0,0 +1 @@
+Subproject commit b73cfd26c91b45e1c1dcb9ff70634b5240e442c3

website/templates/filters/datum.js

@@ -1,3 +1,5 @@
+var strings = require('./lib/strings');
+
 function datum(str, param) {
     if (!param) {
         param = "$3.$2.$1";
@@ -7,7 +9,8 @@ function datum(str, param) {
     this.context.Meta.Title ist hier z.B. möglich
     */
 
-    return str.replace(/^([0-9]+)[^0-9]+([0-9]+)[^0-9]+([0-9]+).*/, param)
+    return strings.replace(str, /^([0-9]+)[^0-9]+([0-9]+)[^0-9]+([0-9]+).*/, param)
+    // return str.replace(/^([0-9]+)[^0-9]+([0-9]+)[^0-9]+([0-9]+).*/, param)
 }
 
-datum;
+module.exports = datum;

website/templates/filters/lib/strings.js

@@ -0,0 +1,5 @@
+module.exports = {
+    replace: function (str, regex, replace) {
+        return str.replace(regex, replace);
+    }
+}