Log fixes. (#454) r=vladikoff

Now the output is similar to grunt-contrib-cssmin.

Author: XhmikosR

docs/uglify-options.md

@@ -31,12 +31,12 @@ Default: `false`
 Parse a single expression, rather than a program (for parsing JSON)
 
 ## report
-Choices: `'none'`, `'min'`, `'gzip'`  
+Type: `string`  
+Choices: `'min'`, `'gzip'`  
 Default: `'min'`
 
-Either report only minification result or report minification and gzip results.
-This is useful to see exactly how well UglifyJS is performing but using `'gzip'` will make the task take 5-10x longer to complete. [Example output](https://github.com/sindresorhus/maxmin#readme).
-If `'none'` is used the report will be generated on the verbose output.
+Report minification result or both minification and gzip results.
+This is useful to see exactly how well uglify-js is performing but using `'gzip'` will make the task take 5-10x longer to complete. [Example output](https://github.com/sindresorhus/maxmin#readme).
 
 ## sourceMap
 Type: `Boolean`  

tasks/uglify.js

@@ -24,20 +24,6 @@ function relativePath(file1, file2) {
   return '';
 }
 
-function reportFacility(grunt, options) {
-  var reporter;
-  switch (options.report) {
-    case 'none':
-      reporter = grunt.verbose;
-      break;
-    default:
-    case 'min':
-    case 'gzip':
-      reporter = grunt.log;
-  }
-  return reporter;
-}
-
 // Converts \r\n to \n
 function normalizeLf(string) {
   return string.replace(/\r\n/g, '\n');
@@ -47,6 +33,16 @@ module.exports = function(grunt) {
   // Internal lib.
   var uglify = require('./lib/uglify').init(grunt);
 
+  var getAvailableFiles = function (filesArray) {
+    return filesArray.filter(function (filepath) {
+      if (!grunt.file.exists(filepath)) {
+        grunt.log.warn('Source file ' + chalk.cyan(filepath) + ' not found');
+        return false;
+      }
+      return true;
+    });
+  };
+
   grunt.registerMultiTask('uglify', 'Minify files with UglifyJS.', function() {
     // Merge task-specific and/or target-specific options with these defaults.
     var options = this.options({
@@ -64,25 +60,23 @@ module.exports = function(grunt) {
       screwIE8: true,
       quoteStyle: 0
     });
-    var log = reportFacility(grunt, options);
 
     var footer = normalizeLf(options.footer);
     var mapNameGenerator, mapInNameGenerator;
-    var createdFiles = 0;
-    var createdMaps = 0;
+    var created = {
+      maps: 0,
+      files: 0
+    };
+    var size = {
+      before: 0,
+      after: 0
+    };
 
     // Iterate over all src-dest file pairs.
     this.files.forEach(function (f) {
-      var src = f.src.filter(function (filepath) {
-        // Warn on and remove invalid source files (if nonull was set).
-        if (!grunt.file.exists(filepath)) {
-          grunt.log.warn('Source file ' + chalk.cyan(filepath) + ' not found.');
-          return false;
-        }
-        return true;
-      });
+      var availableFiles = getAvailableFiles(f.src);
 
-      if (src.length === 0) {
+      if (availableFiles.length === 0) {
         grunt.log.warn('Destination ' + chalk.cyan(f.dest) + ' not written because src files were empty.');
         return;
       }
@@ -101,7 +95,7 @@ module.exports = function(grunt) {
 
       // function to get the name of the sourceMapIn file
       if (typeof options.sourceMapIn === 'function') {
-        if (src.length !== 1) {
+        if (availableFiles.length !== 1) {
           grunt.fail.warn('Cannot generate `sourceMapIn` for multiple source files.');
         }
         mapInNameGenerator = options.sourceMapIn;
@@ -126,7 +120,7 @@ module.exports = function(grunt) {
       // Dynamically create incoming sourcemap names
       if (mapInNameGenerator) {
         try {
-          options.sourceMapIn = mapInNameGenerator(src[0]);
+          options.sourceMapIn = mapInNameGenerator(availableFiles[0]);
         } catch (e) {
           err = new Error('SourceMapInName failed.');
           err.origError = e;
@@ -151,46 +145,53 @@ module.exports = function(grunt) {
       // Minify files, warn and fail on error.
       var result;
       try {
-        result = uglify.minify(src, f.dest, options);
+        result = uglify.minify(availableFiles, f.dest, options);
       } catch (e) {
         console.log(e);
         err = new Error('Uglification failed.');
         if (e.message) {
           err.message += '\n' + e.message + '. \n';
           if (e.line) {
-            err.message += 'Line ' + e.line + ' in ' + src + '\n';
+            err.message += 'Line ' + e.line + ' in ' + availableFiles + '\n';
           }
         }
         err.origError = e;
-        grunt.log.warn('Uglifying source ' + chalk.cyan(src) + ' failed.');
+        grunt.log.warn('Uglifying source ' + chalk.cyan(availableFiles) + ' failed.');
         grunt.fail.warn(err);
       }
 
       // Concat minified source + footer
       var output = result.min + footer;
 
+      var unCompiledJSString = availableFiles.map(function (file) {
+        return grunt.file.read(file);
+      }).join('');
+
       // Write the destination file.
       grunt.file.write(f.dest, output);
 
+      size.before += unCompiledJSString.length;
+
       // Write source map
       if (options.sourceMap) {
         grunt.file.write(options.generatedSourceMapName, result.sourceMap);
-        log.writeln('File ' + chalk.cyan(options.generatedSourceMapName) + ' created (source map).');
-        createdMaps++;
+        grunt.verbose.writeln('File ' + chalk.cyan(options.generatedSourceMapName) + ' created (source map).');
+        created.maps++;
       }
 
       var outputSize = maxmin(result.max, output, options.report === 'gzip');
-      log.writeln('File ' + chalk.cyan(f.dest) + ' created: ' + outputSize);
+      grunt.verbose.writeln('File ' + chalk.cyan(f.dest) + ' created: ' + chalk.dim(outputSize));
 
-      createdFiles++;
+      created.files++;
+      size.after += output.length;
     });
 
-    if (createdMaps > 0) {
-      grunt.log.ok(createdMaps + ' source' + grunt.util.pluralize(createdMaps, 'map/maps') + ' created.');
+    if (created.maps > 0) {
+      grunt.log.ok(created.maps + ' source' + grunt.util.pluralize(created.maps, 'map/maps') + ' created.');
     }
 
-    if (createdFiles > 0) {
-      grunt.log.ok(createdFiles + ' ' + grunt.util.pluralize(this.files.length, 'file/files') + ' created.');
+    if (created.files > 0) {
+      grunt.log.ok(created.files + ' ' + grunt.util.pluralize(this.files.length, 'file/files') + ' created ' + chalk.dim(maxmin(size.before, size.after)));
     } else {
       grunt.log.warn('No files created.');
     }