node/tools/eslint/lib/rules/no-sparse-arrays.js
Roman Reiss d91e10b3bd tools: update eslint to 0.24.0
PR-URL: https://github.com/nodejs/io.js/pull/2072
Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com>
Reviewed-by: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Alex Kocharin <alex@kocharin.ru>
2015-06-29 19:02:17 +02:00

34 lines
784 B
JavaScript

/**
* @fileoverview Disallow sparse arrays
* @author Nicholas C. Zakas
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
return {
"ArrayExpression": function(node) {
var emptySpot = node.elements.indexOf(null) > -1;
if (emptySpot) {
context.report(node, "Unexpected comma in middle of array.");
}
}
};
};
module.exports.schema = [];