Fix axis null selection bug

Author: keller-mark

package.json

@@ -1,6 +1,6 @@
 {
  "name": "vueplotlib",
- "version": "1.5.0",
+ "version": "1.5.1",
  "private": false,
  "scripts": {
  "serve": "vue-cli-service serve --open ./examples-src/index.js",

src/components/axes/Axis.vue

@@ -365,7 +365,16 @@ export default {
  .tickSizeOuter(tickSizeOuter)
  .tickFormat(tickFormatFunction2)
  );
- const textBboxZoomedIn = ticksZoomedIn.select("text").node().getBBox();
+
+
+ let textBboxZoomedIn;
+ try {
+ textBboxZoomedIn = ticksZoomedIn.select("text").node().getBBox();
+ } catch(e) {
+ // Replace with dummy object on failure
+ // TODO: find better solution
+ textBboxZoomedIn = { height: 0 };
+ }
 
  const tickTransformFunction = (d, i, v) => {
  let tickBbox = v[i].getBBox();