fix: Unable to clear input

yearn · May 19, 2023 · ed4c0d6 · ed4c0d6
1 parent 9355d94
commit ed4c0d6
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Showing 3 changed files with 8 additions and 4 deletions.
diff --git a/packages/web-lib/utils/format.bigNumber.tsx b/packages/web-lib/utils/format.bigNumber.tsx
@@ -5,7 +5,7 @@ import type {BigNumberish} from 'ethers';
 
 export type	TNormalizedBN = {
 	raw: BigNumber,
-	normalized: number | string,
+	normalized: number | string | '',
 }
 
 export const {Zero} = ethers.constants;

diff --git a/packages/web-lib/utils/handlers/handleInputChangeEventValue.test.ts b/packages/web-lib/utils/handlers/handleInputChangeEventValue.test.ts
@@ -33,10 +33,10 @@ describe('handleInputChangeEventValue', (): void => {
 		expect(normalized).toBe('10.123456');
 	});
 
-	it('returns 0 for empty input', (): void => {
+	it('returns raw Zero and normalized empty string for empty input', (): void => {
 		const {raw, normalized} = handleInputChangeEventValue('', 18);
 		expect(raw.toString()).toBe('0');
-		expect(normalized).toBe('0');
+		expect(normalized).toBe('');
 	});
 
 	it('replaces comma with period in input value', (): void => {

diff --git a/packages/web-lib/utils/handlers/handleInputChangeEventValue.ts b/packages/web-lib/utils/handlers/handleInputChangeEventValue.ts
@@ -1,8 +1,12 @@
-import {ethers} from 'ethers';
+import {constants, ethers} from 'ethers';
 
 import type {TNormalizedBN} from '../format';
 
 export function handleInputChangeEventValue(value: string, decimals?: number): TNormalizedBN {
+	if (value === '') {
+		return {raw: constants.Zero, normalized: ''};
+	}
+
 	let		amount = value.replace(/,/g, '.').replace(/[^0-9.]/g, '');
 	const	amountParts = amount.split('.');