feat(project): add prepend utility

lib/prepend.js

@@ -0,0 +1,18 @@
+/**
+ * prepend utility
+ */
+
+import prependTo from './prependTo';
+
+/**
+ * Prepend a node to a target element
+ *
+ * @param  {SVGElement} target
+ * @param  {SVGElement} node
+ *
+ * @return {SVGElement} the target element
+ */
+export default function prepend(target, node) {
+  prependTo(node, target);
+  return target;
+}

test/spec/prepend.js

@@ -0,0 +1,25 @@
+import {
+  create,
+  prepend
+} from '../../lib';
+
+
+describe('prepend', function() {
+
+  it('should prepend + return parent', function() {
+
+    // given
+    var svg = create('<svg><g></g></svg>'),
+        g = create('<g id="G" />');
+
+    // when
+    var result = prepend(svg, g);
+
+    // then
+    expect(result).to.exist;
+
+    expect(svg.childNodes).to.have.length(2);
+    expect(svg.firstChild).to.equal(g);
+  });
+
+});