JavaScript中类似Python的字符串插值

Posted 2021-02-25

This is a script [tweeted by @gregmuellegger](http://twitter.com/gregmuellegger/status/16618146398). Example usage: Supports f("Hello %s.", ["World"]) and f("Hello %(name)s.", {name: "World"})

function (s, dict) {
    var i = 0;
    return s.replace(/%(?:(([^)]+)))?[diouxXeEfFgGcrs]/g, function (dummy, v) { return dict[v || i++]; });
}