@denimlabs/amqp-delay-fsa/dist/amqp-producer-service.js

Description

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
var calculateDelay = function calculateDelay(runAt) {
  return runAt.valueOf() - +new Date();
};
var encode = function encode(doc) {
  return new Buffer(JSON.stringify(doc));
};

var makePublishDelayedAmqpTask = function makePublishDelayedAmqpTask(_ref) {
  var host = _ref.host,
      queueName = _ref.queueName,
      amqp = _ref.amqp,
      amqpDelay = _ref.amqpDelay,
      _ref$errorHandler = _ref.errorHandler,
      errorHandler = _ref$errorHandler === undefined ? console.error : _ref$errorHandler;
  return function (taskPayload) {
    var runAt = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : new Date();
    return amqp.connect(host).then(function (conn) {
      return conn.createChannel();
    }).then(function (channel) {
      amqpDelay(channel);
      return channel;
    }).then(function (channel) {
      return channel.delay(calculateDelay(runAt)).publish('', queueName, encode(taskPayload));
    }).then(null, errorHandler).catch(errorHandler);
  };
};

exports.default = {
  makePublishDelayedAmqpTask: makePublishDelayedAmqpTask
};
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