node/tools/eslint/lib/rules/no-octal-escape.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

40 lines
1.0 KiB
JavaScript

/**
* @fileoverview Rule to flag octal escape sequences in string literals.
* @author Ian Christian Myers
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = function(context) {
return {
"Literal": function(node) {
if (typeof node.value !== "string") {
return;
}
var match = node.raw.match(/^([^\\]|\\[^0-7])*\\([0-3][0-7]{1,2}|[4-7][0-7]|[0-7])/),
octalDigit;
if (match) {
octalDigit = match[2];
// \0 is actually not considered an octal
if (match[2] !== "0" || typeof match[3] !== "undefined") {
context.report(node, "Don't use octal: '\\{{octalDigit}}'. Use '\\u....' instead.",
{ octalDigit: octalDigit });
}
}
}
};
};
module.exports.schema = [];