no-iterator.js
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/**
* @fileoverview Rule to flag usage of __iterator__ property
* @author Ian Christian Myers
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const { getStaticPropertyName } = require("./utils/ast-utils");
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "disallow the use of the `__iterator__` property",
category: "Best Practices",
recommended: false,
url: "https://eslint.org/docs/rules/no-iterator"
},
schema: [],
messages: {
noIterator: "Reserved name '__iterator__'."
}
},
create(context) {
return {
MemberExpression(node) {
if (getStaticPropertyName(node) === "__iterator__") {
context.report({
node,
messageId: "noIterator"
});
}
}
};
}
};