eslint-plugin-de-morgan/dist/utils/has-negation-operator.js

ESLint plugin for transforming negated boolean expressions via De Morgan’s laws

import { createTestWithParameters } from './create-test-with-parameters.js'
import { isUnaryExpression } from './is-unary-expression.js'
import { hasOperator } from './has-operator.js'
/**
 * Checks whether the given expression is a UnaryExpression with operator '!'.
 *
 * @param node - The AST node to check.
 * @returns True if the node is a UnaryExpression with operator '!'.
 */
function hasNegationOperator(node) {
  return createTestWithParameters(node)(isUnaryExpression, hasOperator('!'))
}
export { hasNegationOperator }