[WIP] JS lint and dead code removal (#1053)

* lint and dead code removal

* fix regressions

client/src/util/centroid.js

@@ -3,6 +3,8 @@ import quantile from "./quantile";
 /*
   Centroid coordinate calculation
 */
+
+/* Unused - please cleanup
 const calcMeanCentroid = (world, annoName, annoValue, layoutDimNames) => {
   const centroid = { x: 0, y: 0, size: 0 };
   const annoArray = world.obsAnnotations.col(annoName).asArray();
@@ -24,6 +26,7 @@ const calcMeanCentroid = (world, annoName, annoValue, layoutDimNames) => {
 
   return [centroid.x, centroid.y];
 };
+*/
 
 const calcMedianCentroid = (world, annoName, annoValue, layoutDimNames) => {
   const centroidX = [];

client/src/util/stateManager/annotationsHelpers.js

@@ -138,7 +138,7 @@ export function allHaveLabelByMask(df, colName, label, mask) {
 	const col = df.col(colName);
 	if (!col) return false;
 	if (df.length !== mask.length)
-		throw new InternalError("mismatch on mask length");
+		throw new RangeError("mismatch on mask length");
 
 	for (let i = 0; i < df.length; i += 1) {
 		if (mask[i]) {

client/src/util/typedCrossfilter/crossfilter.js

@@ -108,7 +108,7 @@ export default class ImmutableTypedCrossfilter {
     };
 
     return new ImmutableTypedCrossfilter(data, dimensions, {
-      bitArray: bitArray
+      bitArray
     });
   }
 
@@ -128,7 +128,7 @@ export default class ImmutableTypedCrossfilter {
     }
 
     return new ImmutableTypedCrossfilter(data, dimensions, {
-      bitArray: bitArray
+      bitArray
     });
   }