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