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/**
* @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('../shared/types').Rule} */
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"
});
}
}
};
}
};