feat: format the output using statistics

Author: kabeep

src/commands/convert.ts

@@ -11,6 +11,7 @@ import {
     to,
     toDate,
     useDuration,
+    useStatistic,
 } from '../helper';
 import formatDate from '../helper/_internal/format-date';
 import createPalette from '../helper/craete-palette';
@@ -96,7 +97,7 @@ async function convert(
         ensure(!err, 'TIMEOUT_RATE');
         ensure(rate.data, 'INVALID_RATE');
         spinner.succeed(i18n('CMD_MSG_FETCH_RATE', convertOptions));
-        return print(yellow(rate.data.toFixed(2)));
+        return print(yellow(useStatistic(rate.data)));
     }
 
     const numericAmount = Number(amount);
@@ -115,8 +116,8 @@ async function convert(
     ensure(result.data, 'INVALID_CONVERT');
     spinner.succeed(i18n('CMD_MSG_FETCH_RATE', convertOptions));
     return print(
-        yellow(numericAmount.toFixed(2)),
-        yellow(result.data.toFixed(2)),
+        yellow(useStatistic(numericAmount, { precision: 2 })),
+        yellow(useStatistic(result.data, { precision: 2 })),
     );
 }
 

src/helper/index.ts

@@ -8,3 +8,4 @@ export { default as isValidCode } from './is-valid-code';
 export { default as to } from './to';
 export { default as toDate } from './to-date';
 export { default as useDuration } from './use-duration';
+export { default as useStatistic } from './use-statistic';

src/helper/use-statistic.ts

@@ -0,0 +1,38 @@
+export interface StatisticOptions {
+    groupSeparator?: string;
+    decimalSeparator?: string;
+    precision?: number;
+}
+
+function useStatistic(
+    value: string | number,
+    {
+        groupSeparator = ',',
+        decimalSeparator = '.',
+        precision,
+    }: StatisticOptions = {},
+) {
+    const val = String(value);
+    const cells = val.match(/^(-?)(\d*)(\.(\d+))?$/);
+    if (!cells) return 'Invalid Number';
+
+    const negative = cells[1];
+    let int = cells[2] || '0';
+    let decimal = cells[4] || '';
+
+    int = int.replace(/\B(?=(\d{3})+(?!\d))/g, groupSeparator);
+
+    if (typeof precision === 'number') {
+        decimal = decimal
+            .padEnd(precision, '0')
+            .slice(0, precision > 0 ? precision : 0);
+    }
+
+    if (decimal) {
+        decimal = `${decimalSeparator}${decimal}`;
+    }
+
+    return `${negative}${int}${decimal}`;
+}
+
+export default useStatistic;