X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=node_modules%2Funcss%2Fnode_modules%2Fform-data%2Fnode_modules%2Fasync%2Freduce.js;fp=node_modules%2Funcss%2Fnode_modules%2Fform-data%2Fnode_modules%2Fasync%2Freduce.js;h=15e26eae6230b11fa7944fb06e51d689308980bb;hp=0000000000000000000000000000000000000000;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad diff --git a/node_modules/uncss/node_modules/form-data/node_modules/async/reduce.js b/node_modules/uncss/node_modules/form-data/node_modules/async/reduce.js new file mode 100644 index 000000000..15e26eae6 --- /dev/null +++ b/node_modules/uncss/node_modules/form-data/node_modules/async/reduce.js @@ -0,0 +1,73 @@ +'use strict'; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = reduce; + +var _eachOfSeries = require('./eachOfSeries'); + +var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries); + +var _noop = require('lodash/noop'); + +var _noop2 = _interopRequireDefault(_noop); + +var _once = require('./internal/once'); + +var _once2 = _interopRequireDefault(_once); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +/** + * Reduces `coll` into a single value using an async `iteratee` to return each + * successive step. `memo` is the initial state of the reduction. This function + * only operates in series. + * + * For performance reasons, it may make sense to split a call to this function + * into a parallel map, and then use the normal `Array.prototype.reduce` on the + * results. This function is for situations where each step in the reduction + * needs to be async; if you can get the data before reducing it, then it's + * probably a good idea to do so. + * + * @name reduce + * @static + * @memberOf module:Collections + * @method + * @alias inject + * @alias foldl + * @category Collection + * @param {Array|Iterable|Object} coll - A collection to iterate over. + * @param {*} memo - The initial state of the reduction. + * @param {Function} iteratee - A function applied to each item in the + * array to produce the next step in the reduction. The `iteratee` is passed a + * `callback(err, reduction)` which accepts an optional error as its first + * argument, and the state of the reduction as the second. If an error is + * passed to the callback, 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). + * @example + * + * async.reduce([1,2,3], 0, function(memo, item, callback) { + * // pointless async: + * process.nextTick(function() { + * callback(null, memo + item) + * }); + * }, function(err, result) { + * // result is now equal to the last value of memo, which is 6 + * }); + */ +function reduce(coll, memo, iteratee, callback) { + callback = (0, _once2.default)(callback || _noop2.default); + (0, _eachOfSeries2.default)(coll, function (x, i, callback) { + iteratee(memo, x, function (err, v) { + memo = v; + callback(err); + }); + }, function (err) { + callback(err, memo); + }); +} +module.exports = exports['default']; \ No newline at end of file