npm install flex-hosts> Support Mac OS X, Windows, Linux
``
var flexHosts = require("flex-hosts");
flexHosts(hostsMap, [dir,] function (err, hosts) {
...
});
`
`
{
"127.0.0.1": [
"g.cdn.cn",
"a.cdn.cn"
],
"127.0.0.2": "t.cdn.cn o.cdn.cn"
}
* The value relevant to key could be Array or String.
The DIR where puts the hostsMap file