Use pluggable logger rather the puts

3 files changed, 21 insertions, 4 deletions

diff --git a/lib/handlebars/compiler.js b/lib/handlebars/compiler.js
index 2ffd829..d22a0d4 100644
--- a/lib/handlebars/compiler.js
+++ b/lib/handlebars/compiler.js
@@ -99,6 +99,15 @@ Handlebars.registerHelper('if', function(context, fn, inverse) {
   }
 });
 
+Handlebars.logger = {
+  DEBUG: 0, INFO: 1, WARN: 2, ERROR: 3, level: 3,
+
+  // override in the host environment
+  log: function(level, str) {},
+}
+
+Handlebars.log = function(level, str) { Handlebars.logger.log(level, str); };
+
 // END(BROWSER)
 
 exports.Handlebars = Handlebars;
diff --git a/lib/handlebars/vm.js b/lib/handlebars/vm.js
index ecb67a4..b21bad9 100644
--- a/lib/handlebars/vm.js
+++ b/lib/handlebars/vm.js
@@ -250,8 +250,7 @@ Handlebars.JavaScriptCompiler = function() {};
 
       this.compileChildren(environment);
 
-      //puts(environment.disassemble());
-      //puts("")
+      Handlebars.log(Handlebars.logger.DEBUG, environment.disassemble() + "\n\n");
 
       var opcodes = environment.opcodes;
       var opcode, name;
@@ -315,8 +314,7 @@ Handlebars.JavaScriptCompiler = function() {};
       var fn = Function.apply(this, params);
       fn.displayName = "Handlebars.js"
 
-      //puts(fn.toString())
-      //puts("")
+      Handlebars.log(Handlebars.logger.DEBUG, fn.toString() + "\n\n");
 
       container.render = fn;
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 289912c..d79f1ae 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -82,6 +82,16 @@ module Handlebars
       Handlebars::Spec.js_load('lib/handlebars/utils.js')
       Handlebars::Spec.js_load('lib/Handlebars/vm.js')
       Handlebars::Spec.js_load('lib/handlebars.js')
+
+      context["Handlebars"]["logger"]["level"] = ENV["DEBUG_JS"] ? context["Handlebars"]["logger"][ENV["DEBUG_JS"]] : 4
+
+      context["Handlebars"]["logger"]["log"] = proc do |level, str|
+        logger_level = context["Handlebars"]["logger"]["level"]
+
+        if logger_level <= level
+          puts str
+        end
+      end
     end
   end
 end