Function hasNonConfigurable

src/utils/Class.js:47–67

(obj, k)

}

function hasNonConfigurable (obj, k)
{
    var prop = Object.getOwnPropertyDescriptor(obj, k);

    if (!prop)
    {
        return false;
    }

    if (prop.value && typeof prop.value === 'object')
    {
        prop = prop.value;
    }

    if (prop.configurable === false)
    {
        return true;
    }

    return false;
}

/**
 * Extends the given `ctor` object's prototype with the properties of `definition`.