liquid instance

render.js

@@ -1,46 +1,44 @@
-const Filter = require('./filter');
-const Tag = require('./tag');
-
-module.exports = function render(tokens, ctx) {
-    var html = '';
-    for (var i = 0; i < tokens.length; i++) {
-        var token = tokens.shift();
-        switch (token.type) {
-            case 'html':
-                html += token.value;
-                break;
-            case 'output':
-                html += renderOutput(token);
-                break;
-            case 'tag':
-                html += renderTag(token);
-                break;
-            default:
-                throw new Error(`unexpected type: ${token.type}`);
-        }
-    }
-    return html;
-
-    function renderOutput(token) {
-        var filters = token.value.split('|');
-        var val = ctx.get(filters.shift());
-        return filters
-            .map(str => Filter.parse(str))
-            .reduce((v, filter) => filter.render(v, ctx), val);
-    }
-
-    function renderTag(token) {
-        var tag = Tag.parse(token.value), subTokens = [];
-        if(tag.needClose){
-            var curToken, endToken = 'end' + tag.name;
-            while((curToken = tokens.shift()).value !== endToken){
-                subTokens.push(curToken);
-            }
-            if(curToken.value !== endToken){
-                throw new Error(`${token.value} not closed`);
+module.exports = (Filter, Tag) =>
+    function render(tokens, ctx) {
+        var html = '';
+        for (var i = 0; i < tokens.length; i++) {
+            var token = tokens.shift();
+            switch (token.type) {
+                case 'html':
+                    html += token.value;
+                    break;
+                case 'output':
+                    html += renderOutput(token);
+                    break;
+                case 'tag':
+                    html += renderTag(token);
+                    break;
+                default:
+                    throw new Error(`unexpected type: ${token.type}`);
             }
         }
-        return tag.render(subTokens, ctx);
-    }
-};
+        return html;
 
+        function renderOutput(token) {
+            var filters = token.value.split('|');
+            var val = ctx.get(filters.shift());
+            return filters
+                .map(str => Filter.parse(str))
+                .reduce((v, filter) => filter.render(v, ctx), val);
+        }
+
+        function renderTag(token) {
+            var tag = Tag.parse(token.value),
+                subTokens = [];
+            if (tag.needClose) {
+                var curToken, endToken = 'end' + tag.name;
+                while ((curToken = tokens.shift()).value !== endToken) {
+                    subTokens.push(curToken);
+                }
+                if (curToken.value !== endToken) {
+                    throw new Error(`${token.value} not closed`);
+                }
+            }
+            return tag.render(subTokens, ctx);
+        }
+    };