Removed full lodash library import

index.js

@@ -1,7 +1,8 @@
 'use strict';
 var vm = require('vm');
 var fs = require('fs');
-var _ = require('lodash');
+var _extend = require('lodash/extend');
+var _uniq = require('lodash/uniq');
 var Promise = require('bluebird');
 var path = require('path');
 var childCompiler = require('./lib/compiler.js');
@@ -11,7 +12,7 @@ Promise.promisifyAll(fs);
 
 function HtmlWebpackPlugin (options) {
   // Default options
-  this.options = _.extend({
+  this.options = _extend({
     template: path.join(__dirname, 'default_index.ejs'),
     filename: 'index.html',
     hash: false,
@@ -153,7 +154,7 @@ HtmlWebpackPlugin.prototype.apply = function (compiler) {
               // Add the stylesheets, scripts and so on to the resulting html
             return self.postProcessHtml(html, assets, { body: result.body, head: result.head })
               .then(function (html) {
-                return _.extend(result, {html: html, assets: assets});
+                return _extend(result, {html: html, assets: assets});
               });
           });
       })
@@ -223,7 +224,7 @@ HtmlWebpackPlugin.prototype.evaluateCompilationResult = function (compilation, s
   // To extract the result during the evaluation this part has to be removed.
   source = source.replace('var HTML_WEBPACK_PLUGIN_RESULT =', '');
   var template = this.options.template.replace(/^.+!/, '').replace(/\?.+$/, '');
-  var vmContext = vm.createContext(_.extend({HTML_WEBPACK_PLUGIN: true, require: require}, global));
+  var vmContext = vm.createContext(_extend({HTML_WEBPACK_PLUGIN: true, require: require}, global));
   var vmScript = new vm.Script(source, {filename: template});
   // Evaluate code and cast to string
   var newSource;
@@ -461,7 +462,7 @@ HtmlWebpackPlugin.prototype.htmlWebpackPluginAssets = function (compilation, chu
 
   // Duplicate css assets can occur on occasion if more than one chunk
   // requires the same css.
-  assets.css = _.uniq(assets.css);
+  assets.css = _uniq(assets.css);
 
   return assets;
 };
@@ -626,7 +627,7 @@ HtmlWebpackPlugin.prototype.getFullTemplatePath = function (template, context) {
  * asset object
  */
 HtmlWebpackPlugin.prototype.getAssetFiles = function (assets) {
-  var files = _.uniq(Object.keys(assets).filter(function (assetType) {
+  var files = _uniq(Object.keys(assets).filter(function (assetType) {
     return assetType !== 'chunks' && assets[assetType];
   }).reduce(function (files, assetType) {
     return files.concat(assets[assetType]);
@@ -647,7 +648,7 @@ HtmlWebpackPlugin.prototype.applyPluginsAsyncWaterfall = function (compilation)
         if (requiresResult && !result) {
           compilation.warnings.push(new Error('Using ' + eventName + ' without returning a result is deprecated.'));
         }
-        return _.extend(pluginArgs, result);
+        return _extend(pluginArgs, result);
       });
   };
 };

lib/chunksorter.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var toposort = require('toposort');
-var _ = require('lodash');
+var _isObject = require('lodash/isObject');
 
 /*
   Sorts dependencies between chunks by their "parents" attribute.
@@ -42,7 +42,7 @@ module.exports.dependency = function (chunks) {
       // Add an edge for each parent (parent -> child)
       chunk.parents.forEach(function (parentId) {
         // webpack2 chunk.parents are chunks instead of string id(s)
-        var parentChunk = _.isObject(parentId) ? parentId : nodeMap[parentId];
+        var parentChunk = _isObject(parentId) ? parentId : nodeMap[parentId];
         // If the parent chunk does not exist (e.g. because of an excluded chunk)
         // we ignore that parent
         if (parentChunk) {

lib/compiler.js

@@ -6,7 +6,7 @@
  */
 'use strict';
 var Promise = require('bluebird');
-var _ = require('lodash');
+var _assign = require('lodash/assign');
 var path = require('path');
 var NodeTemplatePlugin = require('webpack/lib/node/NodeTemplatePlugin');
 var NodeTargetPlugin = require('webpack/lib/node/NodeTargetPlugin');
@@ -38,7 +38,7 @@ module.exports.compileTemplate = function compileTemplate (template, context, ou
     publicPath: compilation.outputOptions.publicPath
   };
   // Store the result of the parent compilation before we start the child compilation
-  var assetsBeforeCompilation = _.assign({}, compilation.assets[outputOptions.filename]);
+  var assetsBeforeCompilation = _assign({}, compilation.assets[outputOptions.filename]);
   // Create an additional child compiler which takes the template
   // and turns it into an Node.JS html factory.
   // This allows us to use loaders during the compilation

lib/loader.js

@@ -1,7 +1,8 @@
 /* This loader renders the template with underscore if no other loader was found */
 'use strict';
 
-var _ = require('lodash');
+var _template = require('lodash/template');
+var _defaults = require('lodash/defaults');
 var loaderUtils = require('loader-utils');
 
 module.exports = function (source) {
@@ -29,7 +30,7 @@ module.exports = function (source) {
   // the parameters passed to the compiled template inside the scope. We therefore
   // need to unwrap them ourselves here. This is essentially what lodash does internally
   // To tell lodash it should not use with we set a variable
-  var template = _.template(source, _.defaults(options, { variable: 'data' }));
+  var template = _template(source, _defaults(options, { variable: 'data' }));
   // All templateVariables which should be available
   // @see HtmlWebpackPlugin.prototype.executeTemplate
   var templateVariables = [

spec/BasicSpec.js

@@ -15,7 +15,7 @@ var path = require('path');
 var fs = require('fs');
 var webpack = require('webpack');
 var rimraf = require('rimraf');
-var _ = require('lodash');
+var _extend = require('lodash/extend');
 var CommonsChunkPlugin = require('webpack/lib/optimize/CommonsChunkPlugin');
 var ExtractTextPlugin = require('extract-text-webpack-plugin');
 var extractTextPluginMajorVersion = require('extract-text-webpack-plugin/package.json').version.split('.')[0];
@@ -1026,7 +1026,7 @@ describe('HtmlWebpackPlugin', function () {
         compiler.plugin('compilation', function (compilation) {
           compilation.plugin('html-webpack-plugin-after-html-processing', function (object, callback) {
             eventFiredForFirstPlugin = true;
-            var result = _.extend(object, {
+            var result = _extend(object, {
               html: object.html + 'Injected by first plugin'
             });
             callback(null, result);
@@ -1074,7 +1074,7 @@ describe('HtmlWebpackPlugin', function () {
         compiler.plugin('compilation', function (compilation) {
           compilation.plugin('html-webpack-plugin-after-html-processing', function (object, callback) {
             eventFiredForFirstPlugin = true;
-            var result = _.extend(object, {
+            var result = _extend(object, {
               html: object.html + 'Injected by first plugin'
             });
             callback(null, result);
@@ -1087,7 +1087,7 @@ describe('HtmlWebpackPlugin', function () {
         compiler.plugin('compilation', function (compilation) {
           compilation.plugin('html-webpack-plugin-after-html-processing', function (object, callback) {
             eventFiredForSecondPlugin = true;
-            var result = _.extend(object, {
+            var result = _extend(object, {
               html: object.html + ' Injected by second plugin'
             });
             callback(null, result);