Merge pull request #81 from qlik-oss/QB-377/errorMessage

React rendering Errors for few apps.

src/data-table/index.jsx

@@ -48,7 +48,7 @@ class DataTable extends React.PureComponent {
       dimension2.forEach((dim2) => {
         measurements.forEach((measure) => {
           for (index = 0; index < injectSeparatorsArray.length; index++) {
-            if (dimension1[dimIndex].displayValue === injectSeparatorsArray[index].parents.dimension1.header) {
+            if (injectSeparatorsArray[index].parents && dimension1[dimIndex].displayValue === injectSeparatorsArray[index].parents.dimension1.header) {
               if (dim2.displayValue === injectSeparatorsArray[index].parents.dimension2.header) {
                 if (measure.name === injectSeparatorsArray[index].parents.measurement.header) {
                   measurementDataRow.push(injectSeparatorsArray[index]);

src/linked-scroll/linked-scroll-wrapper.jsx

@@ -33,7 +33,7 @@ class LinkedScrollWrapper extends React.PureComponent {
   unlinkComponent (component) {
     const componentIndex = this.scrollElements.map(element => element.component).indexOf(component);
     if (componentIndex !== -1) {
-      this.scrollElements.removeAt(componentIndex);
+      this.scrollElements.splice(componentIndex, 1);
       // eslint-disable-next-line react/no-find-dom-node
       const node = ReactDOM.findDOMNode(component);
       node.onscroll = null;

src/root.jsx

@@ -12,9 +12,12 @@ class Root extends React.PureComponent {
   }
 
   componentDidUpdate () {
-    const tableWidth = this.dataTableRef.getBoundingClientRect().width;
-    if (this.renderedTableWidth !== tableWidth) {
-      this.forceUpdate();
+    let tableWidth;
+    if (this.dataTableRef) {
+      tableWidth = this.dataTableRef.getBoundingClientRect().width;
+      if (this.renderedTableWidth !== tableWidth) {
+        this.forceUpdate();
+      }
     }
   }
 
@@ -66,7 +69,7 @@ class Root extends React.PureComponent {
     return (
       <div className="root">
         {error ? (
-          <div className="error">
+          <div className={`error ${editmodeClass}`}>
             {state.layout.errormessage}
           </div>
         ) : (