don't fail on unicode js newlines (\u2028, \u2029)

lib/compiler.js

@@ -122,7 +122,7 @@ Compiler.prototype = {
       }
     }
 
-    str = JSON.stringify(str);
+    str = utils.stringify(str);
     str = str.substr(1, str.length - 2);
 
     if (this.lastBufferedIdx == this.buf.length) {
@@ -194,7 +194,7 @@ Compiler.prototype = {
     if (debug) {
       this.buf.push('jade_debug.unshift({ lineno: ' + node.line
         + ', filename: ' + (node.filename
-          ? JSON.stringify(node.filename)
+          ? utils.stringify(node.filename)
           : 'jade_debug[0].filename')
         + ' });');
     }
@@ -631,7 +631,7 @@ Compiler.prototype = {
         var val = this.attrs(attrs);
         attributeBlocks.unshift(val);
       }
-      this.bufferExpression('jade.attrs(jade.merge([' + attributeBlocks.join(',') + ']), ' + JSON.stringify(this.terse) + ')');
+      this.bufferExpression('jade.attrs(jade.merge([' + attributeBlocks.join(',') + ']), ' + utils.stringify(this.terse) + ')');
     } else if (attrs.length) {
       this.attrs(attrs, true);
     }
@@ -661,35 +661,35 @@ Compiler.prototype = {
           if (escaped && !(key.indexOf('data') === 0 && typeof val !== 'string')) {
             val = runtime.escape(val);
           }
-          buf.push(JSON.stringify(key) + ': ' + JSON.stringify(val));
+          buf.push(utils.stringify(key) + ': ' + utils.stringify(val));
         }
       } else {
         if (buffer) {
-          this.bufferExpression('jade.attr("' + key + '", ' + attr.val + ', ' + JSON.stringify(escaped) + ', ' + JSON.stringify(this.terse) + ')');
+          this.bufferExpression('jade.attr("' + key + '", ' + attr.val + ', ' + utils.stringify(escaped) + ', ' + utils.stringify(this.terse) + ')');
         } else {
           var val = attr.val;
           if (escaped && !(key.indexOf('data') === 0)) {
             val = 'jade.escape(' + val + ')';
           } else if (escaped) {
             val = '(typeof (jade_interp = ' + val + ') == "string" ? jade.escape(jade_interp) : jade_interp)';
           }
-          buf.push(JSON.stringify(key) + ': ' + val);
+          buf.push(utils.stringify(key) + ': ' + val);
         }
       }
     }.bind(this));
     if (buffer) {
       if (classes.every(isConstant)) {
         this.buffer(runtime.cls(classes.map(toConstant), classEscaping));
       } else {
-        this.bufferExpression('jade.cls([' + classes.join(',') + '], ' + JSON.stringify(classEscaping) + ')');
+        this.bufferExpression('jade.cls([' + classes.join(',') + '], ' + utils.stringify(classEscaping) + ')');
       }
     } else if (classes.length) {
       if (classes.every(isConstant)) {
-        classes = JSON.stringify(runtime.joinClasses(classes.map(toConstant).map(runtime.joinClasses).map(function (cls, i) {
+        classes = utils.stringify(runtime.joinClasses(classes.map(toConstant).map(runtime.joinClasses).map(function (cls, i) {
           return classEscaping[i] ? runtime.escape(cls) : cls;
         })));
       } else {
-        classes = '(jade_interp = ' + JSON.stringify(classEscaping) + ',' +
+        classes = '(jade_interp = ' + utils.stringify(classEscaping) + ',' +
           ' jade.joinClasses([' + classes.join(',') + '].map(jade.joinClasses).map(function (cls, i) {' +
           '   return jade_interp[i] ? jade.escape(cls) : cls' +
           ' }))' +

lib/jade.js

@@ -15,7 +15,8 @@ var Parser = require('./parser')
   , Compiler = require('./compiler')
   , runtime = require('./runtime')
   , addWith = require('with')
-  , fs = require('fs');
+  , fs = require('fs')
+  , utils = require('./utils');
 
 /**
  * Expose self closing tags.
@@ -152,7 +153,7 @@ function parse(str, options){
 exports.compile = function(str, options){
   var options = options || {}
     , filename = options.filename
-      ? JSON.stringify(options.filename)
+      ? utils.stringify(options.filename)
       : 'undefined'
     , fn;
 
@@ -165,7 +166,7 @@ exports.compile = function(str, options){
       , 'try {'
       , parsed.body
       , '} catch (err) {'
-      , '  jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno' + (options.compileDebug === true ? ',' + JSON.stringify(str) : '') + ');'
+      , '  jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno' + (options.compileDebug === true ? ',' + utils.stringify(str) : '') + ');'
       , '}'
     ].join('\n');
   } else {
@@ -204,7 +205,7 @@ exports.compile = function(str, options){
 exports.compileClient = function(str, options){
   var options = options || {};
   var name = options.name || 'template';
-  var filename = options.filename ? JSON.stringify(options.filename) : 'undefined';
+  var filename = options.filename ? utils.stringify(options.filename) : 'undefined';
   var fn;
 
   str = String(str);
@@ -216,7 +217,7 @@ exports.compileClient = function(str, options){
       , 'try {'
       , parse(str, options).body
       , '} catch (err) {'
-      , '  jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno, ' + JSON.stringify(str) + ');'
+      , '  jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno, ' + utils.stringify(str) + ');'
       , '}'
     ].join('\n');
   } else {

lib/lexer.js

@@ -402,7 +402,7 @@ Lexer.prototype = {
       var filter = captures[1];
       var attrs = captures[2] === '(' ? this.attrs() : null;
       if (!(captures[2] === ' ' || this.input[0] === ' ')) {
-        throw new Error('expected space after include:filter but got ' + JSON.stringify(this.input[0]));
+        throw new Error('expected space after include:filter but got ' + utils.stringify(this.input[0]));
       }
       captures = /^ *([^\n]+)/.exec(this.input);
       if (!captures || captures[1].trim() === '') {

lib/utils.js

@@ -14,6 +14,12 @@ exports.merge = function(a, b) {
   return a;
 };
 
+exports.stringify = function(str) {
+  return JSON.stringify(str)
+             .replace(/\u2028/g, '\\u2028')
+             .replace(/\u2029/g, '\\u2029');
+};
+
 exports.walkAST = function walkAST(ast, before, after) {
   before && before(ast);
   switch (ast.type) {

test/jade.test.js

@@ -1058,5 +1058,9 @@ describe('jade', function(){
         path.resolve(__dirname + '/dependencies/dependency3.jade')
       ],info.dependencies);
     });
+    it('should not fail on js newlines', function(){
+      assert.equal("<p>foo\u2028bar</p>", jade.render("p foo\u2028bar"));
+      assert.equal("<p>foo\u2029bar</p>", jade.render("p foo\u2029bar"));
+    });
   });
 });