feat: upd handleInputChangeEventValue

src/utils/handlers/handleInputChangeEventValue.ts

@@ -2,24 +2,31 @@ import {parseUnits} from '../format.bigNumber.js';
 
 import type {TNormalizedBN} from '../format.bigNumber.js';
 
-export function handleInputChangeEventValue(value: string, decimals?: number): TNormalizedBN {
-	if (value === '') {
+export function handleInputChangeEventValue(e: React.ChangeEvent<HTMLInputElement>, decimals?: number): TNormalizedBN {
+	const {valueAsNumber, value} = e.target;
+	const amount = valueAsNumber;
+	if (isNaN(amount)) {
 		return {raw: 0n, normalized: ''};
 	}
-
-	let amount = value
-		.replace(/,/g, '.')
-		.replace(/[^0-9.]/g, '')
-		.replace(/(\..*)\./g, '$1');
-	if (amount.startsWith('.')) {
-		amount = '0' + amount;
-	}
-
-	const amountParts = amount.split('.');
-	if (amountParts.length === 2) {
-		amount = amountParts[0] + '.' + amountParts[1].slice(0, decimals);
+	if (amount === 0) {
+		let amountStr = value.replace(/,/g, '.').replace(/[^0-9.]/g, '');
+		const amountParts = amountStr.split('.');
+		if (amountParts[0]?.length > 1 && Number(amountParts[0]) === 0) {
+			//
+		} else {
+			//check if we have 0 everywhere
+			if (amountParts.every((part: string): boolean => Number(part) === 0)) {
+				if (amountParts.length === 2) {
+					amountStr = amountParts[0] + '.' + amountParts[1].slice(0, decimals);
+				}
+				const raw = parseUnits((amountStr || '0') as `${number}`, decimals || 18);
+				return {raw: raw, normalized: amountStr || '0'};
+			}
+		}
 	}
 
-	const raw = parseUnits(amount || '0', decimals);
-	return {raw: raw, normalized: amount || '0'};
+	const raw = parseUnits(amount.toFixed(decimals) || '0', decimals || 18);
+	return {raw: raw, normalized: amount.toString() || '0'};
 }
+
+export default handleInputChangeEventValue;