Promise Pipelining

promise_pipelining.js

var pipeline = [
  function(title) {
    return Promise.resolve(title.replace(/P/g, 'p'));
  },
  function(title) {
    return Promise.resolve(title.replace(/p/g, 't'));
  }
];

function combinePipeline(pipeline) {
  return function(input) {
    return pipeline.reduce(function(promise, pipelineElement) {
      return promise.then(pipelineElement);
    }, Promise.resolve(input));
  }
}

combinePipeline(pipeline)('Promise Pipelining').then(console.log.bind(console));