Sha256: 2fe6689bc563c0c809752ec174294a3a7aa3cb2f3aaefe99d66d7fb20b0e517b

Contents?: true

Size: 759 Bytes

Versions: 26

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Stored size: 759 Bytes

Contents

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true,
});
exports.promiseReduce = promiseReduce;

var _isPromise = require('./isPromise.js');

/**
 * Similar to Array.prototype.reduce(), however the reducing callback may return
 * a Promise, in which case reduction will continue after each promise resolves.
 *
 * If the callback does not return a Promise, then this function will also not
 * return a Promise.
 */
function promiseReduce(values, callbackFn, initialValue) {
  let accumulator = initialValue;

  for (const value of values) {
    accumulator = (0, _isPromise.isPromise)(accumulator)
      ? accumulator.then((resolved) => callbackFn(resolved, value))
      : callbackFn(accumulator, value);
  }

  return accumulator;
}

Version data entries

26 entries across 26 versions & 1 rubygems

Version Path
clapton-0.0.6 lib/clapton/javascripts/node_modules/graphql/jsutils/promiseReduce.js
clapton-0.0.5 lib/clapton/javascripts/node_modules/graphql/jsutils/promiseReduce.js
clapton-0.0.4 lib/clapton/javascripts/node_modules/graphql/jsutils/promiseReduce.js
clapton-0.0.3 lib/clapton/javascripts/node_modules/graphql/jsutils/promiseReduce.js
clapton-0.0.2 lib/clapton/javascripts/node_modules/graphql/jsutils/promiseReduce.js
clapton-0.0.1 lib/clapton/javascripts/node_modules/graphql/jsutils/promiseReduce.js