refactor: merge render register into scope

src/render.js

@@ -42,7 +42,7 @@ var render = {
         if (template.name === 'break') {
             return Promise.reject(new RenderBreak('break'));
         }
-        return template.render(scope, this.register);
+        return template.render(scope);
     },
 
     evalOutput: function(template, scope) {
@@ -50,7 +50,7 @@ var render = {
         var val = Syntax.evalExp(template.initial, scope);
         template.filters.some(filter => {
             if (filter.error) {
-                if (this.register.strict_filters) {
+                if (scope.get('liquid.strict_filters')) {
                     throw filter.error;
                 } else { 
                     val = ''
@@ -60,16 +60,11 @@ var render = {
             val = filter.render(val, scope);
         });
         return val;
-    },
-
-    initRegister: function(opts) {
-        return this.register = opts;
     }
 };
 
 function factory() {
     var instance = Object.create(render);
-    instance.register = {};
     return instance;
 }
 

src/scope.js

@@ -26,7 +26,7 @@ var Scope = {
     },
     get: function(str) {
         var val = this.safeGet(str);
-        if (val === undefined && this.opts.strict) {
+        if (val === undefined && this.opts.strict_variables) {
             throw new Error(`[strict_variables] undefined variable: ${str}`);
         }
         return val;
@@ -149,9 +149,12 @@ function matchRightBracket(str, begin) {
 
 exports.factory = function(ctx, opts) {
     opts = _.assign({
-        strict: false,
-        blocks: {}
+        strict_variables: false,
+        strict_filters: false,
+        blocks: {},
+        root: []
     }, opts);
+
     ctx = _.assign(ctx, {
         liquid: opts
     });

src/tag.js

@@ -18,9 +18,9 @@ module.exports = function() {
     var tagImpls = {};
 
     var _tagInstance = {
-        render: function(scope, register) {
+        render: function(scope) {
             var obj = hash(this.token.args, scope);
-            return this.tagImpl.render && this.tagImpl.render(scope, obj, register) || Promise.resolve('');
+            return this.tagImpl.render && this.tagImpl.render(scope, obj) || Promise.resolve('');
         },
         parse: function(token, tokens){
             this.type = 'tag';