JS.BASE.NO.NEW.SYMBOL

Disallow 'new' operators with the 'Symbol' object

Symbol is not intended to be used with the new operator, but to be called as a function.

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var foo = new Symbol("foo");

This throws a TypeError exception.

Rule Details

This rule is aimed at preventing the accidental calling of Symbol with the new operator.

Examples

Examples of incorrect code for this rule:

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/*eslint no-new-symbol: "error"*/
/*eslint-env es6*/

var foo = new Symbol('foo');

Examples of correct code for this rule:

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/*eslint no-new-symbol: "error"*/
/*eslint-env es6*/

var foo = Symbol('foo');

// Ignores shadowed Symbol.
function bar(Symbol) {
    const baz = new Symbol("baz");
}

When Not To Use It

This rule should not be used in ES3/5 environments.

The content on this page is adapted from the ESLint User Guide. Copyright © OpenJS Foundation and other contributors, www.openjsf.org. All rights reserved. https://eslint.org/docs/rules/