raptor-polyfill/array/_toObject.js

Polyfills for various EcmaScript 5 and EcmaScript 6 methods distributed as CommonJS modules that can be require'd individually or as a whole.

var prepareString = "a"[0] != "a";

// ES5 9.9
// http://es5.github.com/#x9.9
module.exports = function (o) {
    if (o == null) { // this matches both null and undefined
        throw new TypeError("can't convert "+o+" to object");
    }
    // If the implementation doesn't support by-index access of
    // string characters (ex. IE < 9), split the string
    if (prepareString && typeof o == "string" && o) {
        return o.split("");
    }
    return Object(o);
};