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Diffstat (limited to 'node_modules/async/foldr.js')
-rw-r--r-- | node_modules/async/foldr.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/node_modules/async/foldr.js b/node_modules/async/foldr.js new file mode 100644 index 0000000..bee5391 --- /dev/null +++ b/node_modules/async/foldr.js @@ -0,0 +1,41 @@ +'use strict'; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = reduceRight; + +var _reduce = require('./reduce.js'); + +var _reduce2 = _interopRequireDefault(_reduce); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +/** + * Same as [`reduce`]{@link module:Collections.reduce}, only operates on `array` in reverse order. + * + * @name reduceRight + * @static + * @memberOf module:Collections + * @method + * @see [async.reduce]{@link module:Collections.reduce} + * @alias foldr + * @category Collection + * @param {Array} array - A collection to iterate over. + * @param {*} memo - The initial state of the reduction. + * @param {AsyncFunction} iteratee - A function applied to each item in the + * array to produce the next step in the reduction. + * The `iteratee` should complete with the next state of the reduction. + * If the iteratee completes with an error, the reduction is stopped and the + * main `callback` is immediately called with the error. + * Invoked with (memo, item, callback). + * @param {Function} [callback] - A callback which is called after all the + * `iteratee` functions have finished. Result is the reduced value. Invoked with + * (err, result). + * @returns {Promise} a promise, if no callback is passed + */ +function reduceRight(array, memo, iteratee, callback) { + var reversed = [...array].reverse(); + return (0, _reduce2.default)(reversed, memo, iteratee, callback); +} +module.exports = exports['default'];
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