Added utils.js

lib/jade/compiler.js

@@ -11,7 +11,8 @@
 
 var filters = require('./filters'),
     doctypes = require('./doctypes'),
-    selfClosing = require('./self-closing');
+    selfClosing = require('./self-closing'),
+    utils = require('./utils');
 
 /**
  * Initialize `Compiler` with the given `node`.
@@ -52,7 +53,7 @@ Compiler.prototype = {
      */
 
     buffer: function(str, esc){
-        if (esc) str = escape(str);
+        if (esc) str = utils.escape(str);
         this.buf.push("buf.push('" + str + "');");
     },
 
@@ -159,18 +160,18 @@ Compiler.prototype = {
     visitFilter: function(filter){
         var fn = filters[filter.name];
         if (!fn) throw new Error('unknown filter ":' + filter.name + '"');
-        this.buffer(fn(text(filter.text)));
+        this.buffer(fn(utils.text(filter.text)));
     },
 
     /**
-     * Visit a text `node`.
+     * Visit `text` node.
      *
-     * @param {Text} node
+     * @param {Text} text
      * @api private
      */
 
-    visitText: function(node){
-        this.buffer(text(node));
+    visitText: function(text){
+        this.buffer(utils.text(text));
     },
 
     /**
@@ -182,7 +183,7 @@ Compiler.prototype = {
 
     visitComment: function(comment){
         if (!comment.buffer) return;
-        this.buffer('<!--' + escape(comment.val) + '-->');
+        this.buffer('<!--' + utils.escape(comment.val) + '-->');
     },
 
     /**
@@ -251,28 +252,4 @@ Compiler.prototype = {
         }
         this.buf.push("buf.push(attrs({ " + buf.join(', ') + " }));");
     }
-};
-
-/**
- * Convert interpolation in the given string to JavaScript.
- *
- * @param {String} str
- * @return {String}
- * @api private
- */
-
-function interpolate(str){
-    return str.replace(/(\\)?[#$]{(.*?)}/g, function(str, escape, code){
-        return escape
-            ? str
-            : "' + (" + code.replace(/\\'/g, "'") + ") + '";
-    });
-}
-
-function text(node){
-    return interpolate(escape(node.lines.join('\\n').trimLeft()));
-}
-
-function escape(str) {
-    return str.replace(/'/g, "\\'");
-}
+};

lib/jade/utils.js

@@ -0,0 +1,46 @@
+
+/*!
+ * Jade - utils
+ * Copyright(c) 2010 TJ Holowaychuk <tj@vision-media.ca>
+ * MIT Licensed
+ */
+
+/**
+ * Convert interpolation in the given string to JavaScript.
+ *
+ * @param {String} str
+ * @return {String}
+ * @api private
+ */
+
+var interpolate = exports.interpolate = function(str){
+    return str.replace(/(\\)?[#$]{(.*?)}/g, function(str, escape, code){
+        return escape
+            ? str
+            : "' + (" + code.replace(/\\'/g, "'") + ") + '";
+    });
+};
+
+/**
+ * Escape single quotes in `str`.
+ *
+ * @param {String} str
+ * @return {String}
+ * @api private
+ */
+
+var escape = exports.escape = function(str) {
+    return str.replace(/'/g, "\\'");
+};
+
+/**
+ * Interpolate, escape, and join lines in the given text `node`.
+ *
+ * @param {Text} node
+ * @return {String}
+ * @api private
+ */
+
+exports.text = function(node){
+    return interpolate(escape(node.lines.join('\\n').trimLeft()));
+};