From f77e52dc018a7f26d8961e55991c2082a5c632b1 Mon Sep 17 00:00:00 2001
From: David Willis <dev@davidwillis.co.uk>
Date: Wed, 18 May 2016 11:56:26 +0100
Subject: [PATCH] Fix sourcemap generation

---
 README.md    | 16 +++++++++++++++-
 index.js     | 25 ++++++++++++++++++-------
 package.json |  4 ++--
 3 files changed, 35 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index e0c57b6..a7c8710 100644
--- a/README.md
+++ b/README.md
@@ -33,4 +33,18 @@ And then in browserify-jade-config.js:
 
     module.exports = {
         pretty: (process.env.NODE_ENV == 'production')?true:false
-    };
\ No newline at end of file
+    };
+
+To disable sourcemap generation, which results in smaller compiled files for production builds,
+set jade option `compileDebug` to false in the options:
+
+    var b = browserify();
+    b.transform(require('browserify-jade').jade({
+        compileDebug: false
+    }));
+
+ or in package.json:
+
+     "browserify-jade": {
+        "compileDebug": false
+    }
diff --git a/index.js b/index.js
index afde902..ec6e5eb 100644
--- a/index.js
+++ b/index.js
@@ -63,10 +63,10 @@ module.exports.root = null;
 module.exports.register = register;
 
 function register() {
-  require.extensions['.pug', '.jade'] = function(module, filename) {
+  require.extensions['.pug'] = require.extensions['.jade'] = function(module, filename) {
     var result = compile(filename, fs.readFileSync(filename, 'utf-8'), {compileDebug: true});
     return module._compile(result.body, filename);
-  }
+  };
 }
 
 function replaceMatchWith(match, newContent)
@@ -77,13 +77,13 @@ function replaceMatchWith(match, newContent)
 
 function withSourceMap(src, compiled, name) {
 
-  //return compiled;
-
   var compiledLines = compiled.split('\n');
   var generator = new SourceMapGenerator({file: name + '.js'});
 
   compiledLines.forEach(function(l, lineno) {
-    var m = l.match(/^(pug|jade)(_|\.)debug\.unshift\(\{ lineno: ([0-9]+)/);
+    var m = l.match(/^jade(_|\.)debug\.unshift\(new jade\.DebugItem\( ([0-9]+)/);
+    // Check for older jade debug line format
+    if (!m) m = l.match(/^(pug|jade)(_|\.)debug\.unshift\(\{ lineno: ([0-9]+)/);
     if (m) {
       var originalLine = Number(m[2]);
       var generatedLine = lineno + 2;
@@ -110,6 +110,15 @@ function withSourceMap(src, compiled, name) {
     }
     compiledLines[lineno] =l;
   });
+
+  // Remove jade debug lines at beginning and end of compiled version
+  if (/var jade_debug = /.test(compiledLines[1])) compiledLines[1] = '';
+  if (/try \{/.test(compiledLines[2])) compiledLines[2] = '';
+  var l = compiledLines.length;
+  if (/\} catch \(err\) \{/.test(compiledLines[l-4])) {
+    compiledLines[l-2] = compiledLines[l-3] = compiledLines[l-4] = '';
+  }
+
   generator.setSourceContent(name, src);
 
   var map = convert.fromJSON(generator.toString());
@@ -133,9 +142,11 @@ function compile(file, template, options) {
       result = {
         body: jade.compile(template, options).toString(),
         dependencies: []
-      }
+      };
     }
+    if (options.compileDebug)
+      result.body = withSourceMap(template, result.body, file);
 
-    result.body = PREFIX + withSourceMap(template, result.body, file);
+    result.body = PREFIX + result.body;
     return result;
 }
diff --git a/package.json b/package.json
index 58969f0..70fd7f3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pugify",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "browserify v2 plugin for jade with sourcemaps support",
   "main": "index.js",
   "dependencies": {
@@ -10,7 +10,7 @@
     "through": "~2.3.8"
   },
   "peerDependencies": {
-    "jade": "*"
+    "jade": "1.x"
   },
   "devDependencies": {
     "tap": "^5.4.4",