2025-04-19 23:12:19 -04:00

77 lines
2.0 KiB
JavaScript

/**
* @fileoverview A rule to disallow calls to the Object constructor
* @author Matt DuVall <http://www.mattduvall.com/>
* @deprecated in ESLint v8.50.0
*/
'use strict';
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const astUtils = require('./utils/ast-utils');
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../types').Rule.RuleModule} */
module.exports = {
meta: {
type: 'suggestion',
docs: {
description: 'Disallow `Object` constructors',
recommended: false,
url: 'https://eslint.org/docs/latest/rules/no-new-object',
},
deprecated: {
message:
'The new rule flags more situations where object literal syntax can be used, and it does not report a problem when the `Object` constructor is invoked with an argument.',
url: 'https://eslint.org/blog/2023/09/eslint-v8.50.0-released/',
deprecatedSince: '8.50.0',
availableUntil: null,
replacedBy: [
{
rule: {
name: 'no-object-constructor',
url: 'https://eslint.org/docs/rules/no-object-constructor',
},
},
],
},
schema: [],
messages: {
preferLiteral: 'The object literal notation {} is preferable.',
},
},
create(context) {
const sourceCode = context.sourceCode;
return {
NewExpression(node) {
const variable = astUtils.getVariableByName(
sourceCode.getScope(node),
node.callee.name
);
if (variable && variable.identifiers.length > 0) {
return;
}
if (node.callee.name === 'Object') {
context.report({
node,
messageId: 'preferLiteral',
});
}
},
};
},
};