modularize axes

src/components/continuous/drawAxes.js

@@ -0,0 +1,19 @@
+import styles from './parallelCoordinates.css';
+
+const drawAxes = (
+  svg,
+  dimensions,
+  xscale
+) => {
+
+  var axes = svg.selectAll(".parcoords_axis")
+      .data(dimensions)
+    .enter().append("g")
+      .attr("class", `${styles.axis} parcoords_axis`)
+      .attr("transform", (d,i) => { return "translate(" + xscale(i) + ")"; });
+
+  return axes;
+
+}
+
+export default drawAxes;