| /** |
| * @fileoverview A rule to disallow calls to the Object constructor |
| * @author Matt DuVall <http://www.mattduvall.com/> |
| */ |
| |
| "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/rules/no-new-object" |
| }, |
| |
| schema: [], |
| |
| messages: { |
| preferLiteral: "The object literal notation {} is preferrable." |
| } |
| }, |
| |
| create(context) { |
| return { |
| NewExpression(node) { |
| const variable = astUtils.getVariableByName( |
| context.getScope(), |
| node.callee.name |
| ); |
| |
| if (variable && variable.identifiers.length > 0) { |
| return; |
| } |
| |
| if (node.callee.name === "Object") { |
| context.report({ |
| node, |
| messageId: "preferLiteral" |
| }); |
| } |
| } |
| }; |
| } |
| }; |