node/tools/eslint/lib/rules/wrap-regex.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

37 lines
1.1 KiB
JavaScript

/**
* @fileoverview Rule to flag when regex literals are not wrapped in parens
* @author Matt DuVall <http://www.mattduvall.com>
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
return {
"Literal": function(node) {
var token = context.getFirstToken(node),
nodeType = token.type,
source,
grandparent,
ancestors;
if (nodeType === "RegularExpression") {
source = context.getTokenBefore(node);
ancestors = context.getAncestors();
grandparent = ancestors[ancestors.length - 1];
if (grandparent.type === "MemberExpression" && grandparent.object === node &&
(!source || source.value !== "(")) {
context.report(node, "Wrap the regexp literal in parens to disambiguate the slash.");
}
}
}
};
};