Remove unnecessary dependency

lib/svgo/config.js

@@ -3,8 +3,6 @@
 var FS = require('fs');
 var yaml = require('js-yaml');
 
-var EXTEND = require('whet.extend');
-
 /**
  * Read and/or extend/replace default config file,
  * prepare and optimize plugins array.
@@ -28,7 +26,7 @@ module.exports = function(config) {
             defaults.plugins = preparePluginsArray(defaults.plugins);
         }
     } else {
-        defaults = EXTEND({}, yaml.safeLoad(FS.readFileSync(__dirname + '/../../.svgo.yml', 'utf8')));
+        defaults = Object.assign({}, yaml.safeLoad(FS.readFileSync(__dirname + '/../../.svgo.yml', 'utf8')));
         defaults.plugins = preparePluginsArray(defaults.plugins);
         defaults = extendConfig(defaults, config);
     }
@@ -37,7 +35,7 @@ module.exports = function(config) {
         defaults.plugins.forEach(function(plugin) {
             if (plugin.params && ('floatPrecision' in plugin.params)) {
                 // Don't touch default plugin params
-                plugin.params = EXTEND({}, plugin.params, { floatPrecision: config.floatPrecision });
+                plugin.params = Object.assign({}, plugin.params, { floatPrecision: config.floatPrecision });
             }
         });
     }
@@ -74,11 +72,11 @@ function preparePluginsArray(plugins) {
 
             } else {
 
-              plugin = EXTEND({}, require('../../plugins/' + key));
+              plugin = Object.assign({}, require('../../plugins/' + key));
 
               // name: {}
               if (typeof item[key] === 'object') {
-                  plugin.params = EXTEND({}, plugin.params || {}, item[key]);
+                  plugin.params = Object.assign({}, plugin.params || {}, item[key]);
                   plugin.active = true;
 
               // name: false
@@ -96,7 +94,7 @@ function preparePluginsArray(plugins) {
         // name
         } else {
 
-            plugin = EXTEND({}, require('../../plugins/' + item));
+            plugin = Object.assign({}, require('../../plugins/' + item));
             plugin.name = item;
 
         }
@@ -138,7 +136,7 @@ function extendConfig(defaults, config) {
                         if (plugin.name === key) {
                             // name: {}
                             if (typeof item[key] === 'object') {
-                                plugin.params = EXTEND({}, plugin.params || {}, item[key]);
+                                plugin.params = Object.assign({}, plugin.params || {}, item[key]);
                                 plugin.active = true;
 
                             // name: false
@@ -184,7 +182,7 @@ function extendConfig(defaults, config) {
  */
 function setupCustomPlugin(name, plugin) {
     plugin.active = true;
-    plugin.params = EXTEND({}, plugin.params || {});
+    plugin.params = Object.assign({}, plugin.params || {});
     plugin.name = name;
 
     return plugin;

lib/svgo/js2svg.js

@@ -1,7 +1,6 @@
 'use strict';
 
 var EOL = require('os').EOL,
-    EXTEND = require('whet.extend'),
     textElem = require('../../plugins/_collections.js').elemsGroups.textContent.concat('title');
 
 var defaults = {
@@ -56,7 +55,7 @@ module.exports = function(data, config) {
 function JS2SVG(config) {
 
     if (config) {
-        this.config = EXTEND(true, {}, defaults, config);
+        this.config = Object.assign({}, defaults, config);
     } else {
         this.config = defaults;
     }

lib/svgo/jsAPI.js

@@ -1,9 +1,7 @@
 'use strict';
 
-var EXTEND = require('whet.extend');
-
 var JSAPI = module.exports = function(data, parentNode) {
-    EXTEND(this, data);
+    Object.assign(this, data);
     if (parentNode) {
         Object.defineProperty(this, 'parentNode', {
             writable: true,
@@ -28,7 +26,6 @@ JSAPI.prototype.clone = function() {
     });
 
     // Deep-clone node data
-    // This is still faster than using EXTEND(true…)
     nodeData = JSON.parse(JSON.stringify(nodeData));
 
     // parentNode gets set to a proper object by the parent clone,

package.json

@@ -52,7 +52,6 @@
     "coa": "~1.0.1",
     "js-yaml": "~3.7.0",
     "colors": "~1.1.2",
-    "whet.extend": "~0.9.9",
     "mkdirp": "~0.5.1",
     "csso": "~2.3.1"
   },

plugins/_path.js

@@ -97,7 +97,7 @@ var relative2absolute = exports.relative2absolute = function(data) {
         subpathPoint = [0, 0],
         i;
 
-    data = data.map(function(item) {
+    return data.map(function(item) {
 
         var instruction = item.instruction,
             itemData = item.data && item.data.slice();
@@ -160,8 +160,6 @@ var relative2absolute = exports.relative2absolute = function(data) {
             };
 
     });
-
-    return data;
 };
 
 /**

plugins/convertStyleToAttrs.js

@@ -7,8 +7,7 @@ exports.active = true;
 
 exports.description = 'converts style to attributes';
 
-var EXTEND = require('whet.extend'),
-    stylingProps = require('./_collections').attrsGroups.presentation,
+var stylingProps = require('./_collections').attrsGroups.presentation,
     rEscape = '\\\\(?:[0-9a-f]{1,6}\\s?|\\r\\n|.)',                 // Like \" or \2051. Code points consume one space.
     rAttr = '\\s*(' + g('[^:;\\\\]', rEscape) + '*?)\\s*',          // attribute name like ‘fill’
     rSingleQuotes = "'(?:[^'\\n\\r\\\\]|" + rEscape + ")*?(?:'|$)", // string in single quotes: 'smth'
@@ -96,7 +95,7 @@ exports.fn = function(item) {
                 return true;
             });
 
-            EXTEND(item.attrs, attrs);
+            Object.assign(item.attrs, attrs);
 
             if (styles.length) {
                 item.attr('style').value = styles

plugins/convertTransform.js

@@ -22,7 +22,6 @@ exports.params = {
 };
 
 var cleanupOutData = require('../lib/svgo/tools').cleanupOutData,
-    EXTEND = require('whet.extend'),
     transform2js = require('./_transforms.js').transform2js,
     transformsMultiply = require('./_transforms.js').transformsMultiply,
     matrixToTransform = require('./_transforms.js').matrixToTransform,
@@ -116,7 +115,7 @@ function definePrecision(data, params) {
         significantDigits = params.transformPrecision;
 
     // Clone params so it don't affect other elements transformations.
-    params = EXTEND({}, params);
+    params = Object.assign({}, params);
 
     // Limit transform precision with matrix one. Calculating with larger precision doesn't add any value.
     if (matrixData.length) {

plugins/transformsWithOnePath.js

@@ -35,13 +35,12 @@ exports.params = {
 };
 
 var _path = require('./_path.js'),
-    relative2absolute = _path.relative2absolute,
+    relative2absolute = _path.eelative2absolute,
     computeCubicBoundingBox = _path.computeCubicBoundingBox,
     computeQuadraticBoundingBox = _path.computeQuadraticBoundingBox,
     applyTransforms = _path.applyTransforms,
     js2path = _path.js2path,
-    path2js = _path.path2js,
-    EXTEND = require('whet.extend');
+    path2js = _path.path2js;
 
 exports.fn = function(data, params) {
 
@@ -56,7 +55,7 @@ exports.fn = function(data, params) {
             var svgElem = item,
                 pathElem = svgElem.content[0],
                 // get absoluted Path data
-                path = relative2absolute(EXTEND(true, [], path2js(pathElem))),
+                path = relative2absolute(path2js(pathElem)),
                 xs = [],
                 ys = [],
                 cubicСontrolPoint = [0, 0],