no-sparse-arrays.js
784 Bytes
/**
* @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 = [];