node/tools/eslint/lib/rules/no-sparse-arrays.js
Yosuke Furukawa f9dd34d301 tools: replace closure-linter with eslint
PR-URL: https://github.com/iojs/io.js/pull/1539
Fixes: https://github.com/iojs/io.js/issues/1253
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
2015-05-09 12:09:52 +09:00

32 lines
755 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.");
}
}
};
};