Typehead facebook search implement

typeahead.facebook.js

m.prototype.throttleSendRemoteQuery = function() {
    'use strict';
    var n = c('FacebarGlobalOptions').sendRemoteQueryThrottleTime;
    if (n === 0) {
        this.sendRemoteQueryThrottled = this.sendRemoteQuery;
    } else if (c('FacebarGlobalOptions').lazyThrottleRemoteQuery) {
        var o = Date.now()
          , p = c('FacebarGlobalOptions').enableSendRemoteQueryDelay
          , q = c('FacebarGlobalOptions').sendRemoteQueryDelayTime;
        this.sendRemoteQueryThrottled = function() {
            for (var r = arguments.length, s = Array(r), t = 0; t < r; t++)
                s[t] = arguments[t];
            var u = Date.now();
            if (o + n < u) {
                o = u;
                if (p) {
                    c('setTimeoutAcrossTransitions')(function() {
                        this.sendRemoteQuery.apply(this, s);
                    }
                    .bind(this), q);
                } else
                    this.sendRemoteQuery.apply(this, s);
            }
        }
        .bind(this);
    } else {
        if (c('FacebarGlobalOptions').typingSpeedThrottleTime > 0)
            n = c('FacebarGlobalOptions').typingSpeedThrottleTime;
        this.sendRemoteQueryThrottled = c('throttle').withBlocking(this.sendRemoteQuery, n, this);
    }
}