/usr/lib/nodejs/es5-ext/number/is-number.js is in node-es5-ext 0.10.30-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | "use strict";
var objToString = Object.prototype.toString, id = objToString.call(1);
module.exports = function (value) {
return (
typeof value === "number" ||
(value instanceof Number || (typeof value === "object" && objToString.call(value) === id))
);
};
|