First commit.

react/src/SvgPathBuilder.tsx

@@ -0,0 +1,32 @@
+import StringBuilder from './StringBuilder';
+
+class SvgPathBuilder {
+    _sb: StringBuilder = new StringBuilder();
+
+    moveTo(x: number, y: number): SvgPathBuilder
+    {
+        this._sb.append('M').append(x).append(',').append(y).append(' ');
+        return this;
+    }
+    lineTo(x: number, y: number): SvgPathBuilder
+    {
+        this._sb.append('L').append(x).append(',').append(y).append(' ');
+        return this;
+    }
+    bezierTo(x1: number, y1: number, x2: number, y2: number, x: number, y: number)
+    {
+        this._sb.append('C').append(x1).append(',').append(y1)
+            .append(' ').append(x2).append(',').append(y2)
+            .append(' ').append(x).append(',').append(y).append(' ');
+
+    }
+    closePath(): SvgPathBuilder {
+        this._sb.append("Z ");
+        return this;
+
+    }
+
+    toString(): string { return this._sb.toString(); }
+}
+
+export default SvgPathBuilder;