Make argument length check compatible with Handlebars v3

lib/macros.js

@@ -14,9 +14,9 @@ var strRepeat = function(str, times) {
 module.exports = {
     require: function(resourcePath) {
         // Since Handlebars v4, an extra argument called "container" is passed to the helper wrapper.
-        // In order to keep compatibility, we remove the first argument from the list if we detect that more than 4 arguments are available.
+        // In order to keep compatibility, we remove the first argument from the list if we detect that more than 6 arguments are available.
         // See issue #9 for details.
-        return "require(" + JSON.stringify(loaderUtils.urlToRequest(resourcePath)) + ").apply(null, Array.prototype.slice.call(arguments, arguments.length > 4))";
+        return "require(" + JSON.stringify(loaderUtils.urlToRequest(resourcePath)) + ").apply(null, Array.prototype.slice.call(arguments, arguments.length > 6))";
     },
 
     include: function(resourcePath) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "handlebars-template-loader",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "description": "A Handlebars template loader for Webpack",
   "main": "index.js",
   "homepage": "https://github.com/emaphp/handlebars-template-loader",

test/templates/output/require.txt

@@ -1,3 +1,3 @@
 module.exports = (Handlebars['default'] || Handlebars).template({"compiler":[6,">= 2.0.0-beta.1"],"main":function(depth0,helpers,partials,data) {
-    return "Hello, " + require("./bar.html").apply(null, Array.prototype.slice.call(arguments, arguments.length > 4)) + "\n";
+    return "Hello, " + require("./bar.html").apply(null, Array.prototype.slice.call(arguments, arguments.length > 6)) + "\n";
 },"useData":true});