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| /** | |
| * @fileoverview Rule to flag when using constructor for wrapper objects | |
| * @author Ilya Volodin | |
| */ | |
| "use strict"; | |
| //------------------------------------------------------------------------------ | |
| // Rule Definition | |
| //------------------------------------------------------------------------------ | |
| module.exports = { | |
| meta: { | |
| type: "suggestion", | |
| docs: { | |
| description: "disallow `new` operators with the `String`, `Number`, and `Boolean` objects", | |
| category: "Best Practices", | |
| recommended: false, | |
| url: "https://eslint.org/docs/rules/no-new-wrappers" | |
| }, | |
| schema: [] | |
| }, | |
| create(context) { | |
| return { | |
| NewExpression(node) { | |
| const wrapperObjects = ["String", "Number", "Boolean", "Math", "JSON"]; | |
| if (wrapperObjects.indexOf(node.callee.name) > -1) { | |
| context.report({ node, message: "Do not use {{fn}} as a constructor.", data: { fn: node.callee.name } }); | |
| } | |
| } | |
| }; | |
| } | |
| }; |