no-nested-ternary.js
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/**
* @fileoverview Rule to flag nested ternary expressions
* @author Ian Christian Myers
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "disallow nested ternary expressions",
category: "Stylistic Issues",
recommended: false,
url: "https://eslint.org/docs/rules/no-nested-ternary"
},
schema: []
},
create(context) {
return {
ConditionalExpression(node) {
if (node.alternate.type === "ConditionalExpression" ||
node.consequent.type === "ConditionalExpression") {
context.report({ node, message: "Do not nest ternary expressions." });
}
}
};
}
};