Removed some lodash dependencies

package.json

@@ -30,10 +30,7 @@
   "homepage": "https://github.com/nodebox/g.js",
   "dependencies": {
     "async": "^3.2.0",
-    "lodash.assignin": "^4.2.0",
-    "lodash.flatten": "^4.4.0",
     "lodash.groupby": "^4.6.0",
-    "lodash.isempty": "^4.4.0",
     "lodash.reduce": "^4.6.0",
     "lodash.values": "^4.3.0",
     "stackblur": "^1.0.0",

src/g.js

@@ -1,10 +1,8 @@
 'use strict';
 
-var isEmpty = require('lodash.isempty');
-var flatten = require('lodash.flatten');
-
 var vg = require('./libraries/vg/vg');
 var img = require('./libraries/img/img');
+var util = require('./libraries/util');
 
 var g = {};
 
@@ -86,7 +84,7 @@ g.importCSV = function (csvString, delimiter) {
     var m, sr, col, index;
     for (var i = 0; i < csvRows.length; i += 1) {
         row = csvRows[i];
-        if (!isEmpty(row)) {
+        if (!!row) {
             m = {};
             sr = splitRow(row, delimiter);
             for (index = 0; index < sr.length; index += 1) {
@@ -100,11 +98,11 @@ g.importCSV = function (csvString, delimiter) {
 };
 
 g.merge = function () {
-    var args = flatten(arguments);
+    var args = util.flatten(arguments);
     if (Array.isArray(args)) {
         var objects = [];
         for (var i = 0; i < args.length; i += 1) {
-            if (!isEmpty(args[i])) {
+            if (!!args[i]) {
                 objects.push(args[i]);
             }
         }

src/libraries/util.js

@@ -23,4 +23,21 @@ var randomGenerator = function (seed) {
     };
 };
 
-exports.randomGenerator = randomGenerator;
+var flatten = function (arg) {
+	var arr = Array.prototype.slice.call(arg);
+	var args = [];
+	for (var i = 0; i < arr.length; i += 1) {
+		var o = arr[i];
+		if (Array.isArray(o)) {
+			for (var j = 0; j < o.length; j += 1) {
+				args.push(o[j]);
+			}
+		} else {
+			args.push(o);
+		}
+	}
+	return args;
+} 
+
+exports.randomGenerator = randomGenerator;
+exports.flatten = flatten;

src/libraries/vg/commands/filters.js

@@ -2,7 +2,7 @@
 
 'use strict';
 
-var flatten = require('lodash.flatten');
+var flatten = require('../../util').flatten;
 
 var ClipperLib = require('../../../../third_party/clipper');
 var bezier = require('../util/bezier');

src/libraries/vg/objects/path.js

@@ -2,7 +2,7 @@
 
 'use strict';
 
-var flatten = require('lodash.flatten');
+var flatten = require('../../util').flatten;
 
 var bezier = require('../util/bezier');
 var geo = require('../util/geo');
@@ -569,8 +569,7 @@ Path.prototype.draw = function (ctx) {
 };
 
 Path.combine = function () {
-    var args = Array.apply(null, arguments);
-    var shapes = flatten(args);
+    var shapes = flatten(arguments);
     var shape, commands = [];
     for (var i = 0; i < shapes.length; i += 1) {
         shape = shapes[i];

src/libraries/vg/vg.js

@@ -8,8 +8,6 @@
 
 'use strict';
 
-var assignIn = require('lodash.assignin');
-
 var vg = {};
 
 // Utility functions
@@ -39,10 +37,10 @@ function importCommands(module) {
 }
 
 var Transformable = require('./objects/transformable');
-assignIn(vg.Point.prototype, Transformable);
-assignIn(vg.Path.prototype, Transformable);
-assignIn(vg.Group.prototype, Transformable);
-assignIn(vg.Text.prototype, Transformable);
+Object.assign(vg.Point.prototype, Transformable);
+Object.assign(vg.Path.prototype, Transformable);
+Object.assign(vg.Group.prototype, Transformable);
+Object.assign(vg.Text.prototype, Transformable);
 
 importCommands(require('./commands/draw'));
 importCommands(require('./commands/filters'));