47 lines
1.0 KiB
JavaScript
47 lines
1.0 KiB
JavaScript
/**
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* @fileoverview Rule to flag nested ternary expressions
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* @author Ian Christian Myers
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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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/** @type {import('../types').Rule.RuleModule} */
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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 nested ternary expressions',
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recommended: false,
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frozen: true,
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url: 'https://eslint.org/docs/latest/rules/no-nested-ternary',
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},
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schema: [],
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messages: {
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noNestedTernary: 'Do not nest ternary expressions.',
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},
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},
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create(context) {
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return {
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ConditionalExpression(node) {
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if (
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node.alternate.type === 'ConditionalExpression' ||
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node.consequent.type === 'ConditionalExpression'
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) {
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context.report({
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node,
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messageId: 'noNestedTernary',
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});
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}
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},
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};
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},
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};
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