fix: add optional chaining to prevent errors in chart calculations (#467)

Co-authored-by: kim jeong yong <usbsync@nts-corp.com>

Author: kimorkim

src/components/widget/Chart/Bar.jsx

@@ -14,7 +14,7 @@ import _unzip from 'lodash/unzip';
 import _findIndex from 'lodash/findIndex';
 
 const setChartXCount = (chartObj, categories, windowWidth) => () => {
-    const categoryWordLength = categories?.[0].toString().length * 5;
+    const categoryWordLength = categories?.[0]?.toString().length * 5;
     const padding = 100;
     if (windowWidth > categoryWordLength * categories.length + padding) {
         chartObj.tickCount = categories.length;

src/components/widget/Chart/Line.jsx

@@ -14,7 +14,7 @@ import _unzip from 'lodash/unzip';
 import _findIndex from 'lodash/findIndex';
 
 const setChartXCount = (chartObj, categories, windowWidth) => () => {
-    const categoryWordLength = categories?.[0].toString().length * 5;
+    const categoryWordLength = categories?.[0]?.toString().length * 5;
     const padding = 100;
     if (windowWidth > categoryWordLength * categories.length + padding) {
         chartObj.tickCount = categories.length;

src/utils/dataAnalytics.js

@@ -190,8 +190,8 @@ export const getBinWidth = (table, categoryIndexes = [], boundary, bin) => {
     if (!categoryIndexes.length) {
         return '-';
     }
-    let min = Number(table[1][categoryIndexes]) || Number.MAX_SAFE_INTEGER;
-    let max = Number(table[1][categoryIndexes]) || Number.MIN_SAFE_INTEGER;
+    let min = Number(table?.[1]?.[categoryIndexes]) || Number.MAX_SAFE_INTEGER;
+    let max = Number(table?.[1]?.[categoryIndexes]) || Number.MIN_SAFE_INTEGER;
     _forEach(categoryIndexes, (index) => {
         _forEach(table.slice(1), (row) => {
             const value = Number(row[index]);