no-octal-escape.js
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/**
* @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 = [];