Sha256: e44b1c42a07fd837543598e2e3dd42c56392d3f7be0553e5a393e12a8e99bf6d
Contents?: true
Size: 910 Bytes
Versions: 45
Compression:
Stored size: 910 Bytes
Contents
/**
* @fileoverview A rule to disallow negated left operands of the `in` operator
* @author Michael Ficarra
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
docs: {
description: "disallow negating the left operand in `in` expressions",
category: "Possible Errors",
recommended: true
},
schema: []
},
create: function(context) {
return {
BinaryExpression: function(node) {
if (node.operator === "in" && node.left.type === "UnaryExpression" && node.left.operator === "!") {
context.report(node, "The 'in' expression's left operand is negated");
}
}
};
}
};
Version data entries
45 entries across 45 versions & 2 rubygems