update types/naming to reflect intended usage for useGraphData hook

component/charts/graph-types.ts

@@ -3,8 +3,8 @@ import { ScaleLinear } from 'd3-scale'
 export type ScaleFunction = ScaleLinear<number, number>;
 
 export interface YAxisData {
-  key: string; // string value for ChartLabel component
-  values: number[];
+  key: string; // string value for ChartLabel and useGraphData
+  values: Array<number>;
   // including this code only for review --
   // do we prefer the idea of passing label formatting from the data or in the component?
   // generic function type, specific usage of value varies
@@ -12,9 +12,11 @@ export interface YAxisData {
   formatLabel?: (value: number) => string; 
 }
 
+export type XValue = string | number
+
 export interface GraphData {
-  xValues: string[];
-  yValues: YAxisData[];
+  xValues: Array<XValue>;
+  yValues: Array<YAxisData>;
 }
 
 interface YAxisProps {
@@ -29,7 +31,7 @@ interface YAxisProps {
   // eslint-disable-next-line no-unused-vars
   formatLeftYAxisLabel?: (value: string) => string;
 }
-export interface Props {
+export interface GraphProps {
   data: GraphData;
   height?: number;
   spacingInner?: number;

component/charts/graph-utils.tsx

@@ -1,7 +1,7 @@
 import { GraphData } from "./graph-types";
 
 
-export const convertToBarData = (
+export const convertToGraphData = (
   graphData: GraphData,
   options: {
     selectedLeftYAxisLabel?: string;
@@ -19,7 +19,7 @@ export const convertToBarData = (
   );
 
   // scale data points according to max value
-  const barData = graphData.yValues.map((yAxis, index) => {
+  const yData = graphData.yValues.map((yAxis, index) => {
   const maxValue =
       index === rightAxisIndex ? options.maxRightYAxisValue : options.maxLeftYAxisValue;
 
@@ -36,5 +36,5 @@ export const convertToBarData = (
   const yAxisLeftLabels = leftAxisIndex !== -1 ? graphData.yValues[leftAxisIndex] : null;
   const yAxisRightLabels = rightAxisIndex !== -1 ? graphData.yValues[rightAxisIndex] : undefined;
 
-  return { barData, yAxisLeftLabels, yAxisRightLabels, xValues };
+  return { yData, yAxisLeftLabels, yAxisRightLabels, xValues };
 };

component/charts/use-graph-data.ts

@@ -1,14 +1,14 @@
 import { useMemo } from 'react';
 
-import { convertToBarData } from './graph-utils';
+import { convertToGraphData } from './graph-utils';
 import { chartDefaults } from './graph-config';
-import { GraphData, Props, YAxisData } from './graph-types';
+import { GraphData, GraphProps, XValue, YAxisData } from './graph-types';
 
 
 
 interface useGraphDataInterface {
-  xValues: Array<string>;
-  barData: {
+  xValues: Array<XValue>;
+  yData: {
       data: {
           value: number;
       }[];
@@ -18,13 +18,13 @@ interface useGraphDataInterface {
   }[];
   yAxisLeftLabels: YAxisData;
   yAxisRightLabels: YAxisData;
-  defaultProps: Partial<Props>;
+  defaultProps: Partial<GraphProps>;
 }
 
 // this version assumes string values for X, this isn't necessarily the case
-// convertToBarData is specifically tailored to bar/group bar graphs
+// convertToGraphData is specifically tailored to bar/group bar graphs
 // ultimately this component could be used by any x & y axis graph types (line/bar/scatter)
-export const useGraphData = (graphData: GraphData, props: Partial<Props>): useGraphDataInterface => {
+export const useGraphData = (graphData: GraphData, props: Partial<GraphProps>): useGraphDataInterface => {
   const { yAxisProps = {}, ...otherProps } = props;
   const defaultProps = {
     ...chartDefaults,
@@ -42,14 +42,14 @@ export const useGraphData = (graphData: GraphData, props: Partial<Props>): useGr
     }
   };
 
-  const { barData, yAxisLeftLabels, yAxisRightLabels, xValues } = useMemo(
-    () => convertToBarData(graphData, defaultProps.yAxisProps),
+  const { yData, yAxisLeftLabels, yAxisRightLabels, xValues } = useMemo(
+    () => convertToGraphData(graphData, defaultProps.yAxisProps),
     [graphData, defaultProps.yAxisProps]
   );
 
   return {
     xValues,
-    barData,
+    yData,
     yAxisLeftLabels,
     yAxisRightLabels,
     defaultProps