always wrap in () when its negative

Author: baevm

rules/prefer-bigint-literals.js

@@ -125,15 +125,7 @@ const create = context => {
 		const tokenBefore = context.sourceCode.getTokenBefore(nodeToReplace);
 
 		if (text.startsWith('-') && !text.startsWith('-(')) {
-			const needsParentheses
-				// BigInt(-1).toString() -> (-1n).toString()
-				= (parent.type === 'MemberExpression' && parent.object === callExpression)
-				// 2n -BigInt("-1") -> 2n -(-1n)
-					|| (tokenBefore?.type === 'Punctuator' && (tokenBefore.value === '-' || tokenBefore.value === '+'));
-
-			if (needsParentheses) {
-				text = `(${text})`;
-			}
+			text = `(${text})`;
 		}
 
 		if (tokenBefore && needsSemicolon(tokenBefore, context, text)) {

test/snapshots/prefer-bigint-literals.js.md

@@ -419,7 +419,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^^^ Prefer using bigint literal over \`BigInt(…)\`.␊
     ␊
     Output:␊
-      1 | -1n␊
+      1 | (-1n)␊
     `
 
 ## invalid(23): BigInt("+1")
@@ -457,7 +457,7 @@ Generated by [AVA](https://avajs.dev).
         | ^^^^^^^^^^ Prefer using bigint literal over \`BigInt(…)\`.␊
     ␊
     Output:␊
-      1 | -1n␊
+      1 | (-1n)␊
     `
 
 ## invalid(25): BigInt(+1)
@@ -617,7 +617,7 @@ Generated by [AVA](https://avajs.dev).
     Output:␊
       1 |␊
       2 | 		foo␊
-      3 | 		;-1n␊
+      3 | 		;(-1n)␊
       4 | 		␊
     `