promise-error-recovery.js

var HTTP = require("narwhal/q-http-client");
var Q = require("narwhal/promise-util");
 
// recovery
var httpReadRetryLoop = function (url, timeout, times) {
    return Q.when(HTTP.read(url), function (content) {
        return content;
    }, function (error) {
        if (times == 0)
            return Q.reject(error);
        return Q.when(Q.delay(timeout), function () {
            return httpReadRetryLoop(url, timeout, times - 1);
        });
    });
}