added `exclude` option to stats

added `--display-exclude` and `--display-modules`
exclude common package manager folders by default
fixes #473

bin/webpack.js

@@ -34,6 +34,10 @@ optimist
 
 	.boolean("hide-modules").describe("hide-modules")
 
+	.string("display-exclude").describe("display-exclude")
+
+	.boolean("display-modules").describe("display-modules")
+
 	.boolean("display-chunks").describe("display-chunks")
 
 	.boolean("display-error-details").describe("display-error-details")
@@ -89,6 +93,10 @@ ifArg("sort-assets-by", function(value) {
 	outputOptions.assetsSort = value;
 });
 
+ifArg("display-exclude", function(value) {
+	outputOptions.exclude = value;
+});
+
 if(!outputOptions.json) {
 	ifArg("display-chunks", function(bool) {
 		outputOptions.modules = !bool;
@@ -116,6 +124,9 @@ if(!outputOptions.json) {
 		if(bool)
 			outputOptions.cachedAssets = true;
 	});
+	
+	if(!outputOptions.exclude && !argv["display-modules"])
+		outputOptions.exclude = ["node_modules", "bower_components", "jam", "components"];
 } else {
 	outputOptions.chunks = true;
 	outputOptions.modules = true;

lib/Stats.js

@@ -37,9 +37,25 @@ Stats.prototype.toJson = function toJson(options, forToString) {
 	var showChildren = d(options.children, true);
 	var showSource = d(options.source, !forToString);
 	var showErrorDetails = d(options.errorDetails, !forToString);
+	var excludeModules = [].concat(d(options.exclude, [])).map(function(str) {
+		if(typeof str !== "string") return str;
+		return new RegExp("[\\\\/]" + str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&") + "([\\\\/]|$|!|\\?)");
+	});
 	var sortModules = d(options.modulesSort, "id");
 	var sortChunks = d(options.chunksSort, "id");
 	var sortAssets = d(options.assetsSort, "");
+	
+	function moduleFilter(module) {
+		if(!showCachedModules && !module.built) {
+			return false;
+		}
+		if(excludeModules.length === 0)
+			return true;
+		var ident = module.identifier();
+		return !excludeModules.some(function(regExp) {
+			return regExp.test(ident);
+		});
+	}
 
 	function sortByField(field) {
 		if(!field) return function() { return 0; }
@@ -184,12 +200,8 @@ Stats.prototype.toJson = function toJson(options, forToString) {
 				})
 			};
 			if(showChunkModules) {
-				obj.modules = chunk.modules.map(fnModule);
+				obj.modules = chunk.modules.filter(moduleFilter).map(fnModule);
-				if(!showCachedModules) {
+				obj.filteredModules = chunk.modules.length - obj.modules.length;
-					obj.modules = obj.modules.filter(function(m) {
-						return m.built;
-					});
-				}
 				obj.modules.sort(sortByField(sortModules));
 			}
 			if(showChunkOrigins) {
@@ -211,12 +223,8 @@ Stats.prototype.toJson = function toJson(options, forToString) {
 		obj.chunks.sort(sortByField(sortChunks));
 	}
 	if(showModules) {
-		obj.modules = compilation.modules.map(fnModule);
+		obj.modules = compilation.modules.filter(moduleFilter).map(fnModule);
-		if(!showCachedModules) {
+		obj.filteredModules = compilation.modules.length - obj.modules.length;
-			obj.modules = obj.modules.filter(function(m) {
-				return m.built;
-			});
-		}
 		obj.modules.sort(sortByField(sortModules));
 	}
 	if(showChildren) {
@@ -523,6 +531,10 @@ Stats.jsonToString = function jsonToString(obj, useColors) {
 					}
 					processProfile(module);
 				});
+				if(chunk.filteredModules > 0) {
+					normal("     + " + chunk.filteredModules + " hidden modules");
+					newline();
+				}
 			}
 		});
 	}
@@ -557,6 +569,10 @@ Stats.jsonToString = function jsonToString(obj, useColors) {
 			}
 			processProfile(module);
 		});
+		if(obj.filteredModules > 0) {
+			normal("    + " + obj.filteredModules + " hidden modules");
+			newline();
+		}
 	}
 	if(obj.warnings) {
 		obj.warnings.forEach(function(warning) {