every.js
1 'use strict'; 2 3 Object.defineProperty(exports, "__esModule", { 4 value: true 5 }); 6 7 var _createTester = require('./internal/createTester'); 8 9 var _createTester2 = _interopRequireDefault(_createTester); 10 11 var _eachOf = require('./eachOf'); 12 13 var _eachOf2 = _interopRequireDefault(_eachOf); 14 15 var _awaitify = require('./internal/awaitify'); 16 17 var _awaitify2 = _interopRequireDefault(_awaitify); 18 19 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } 20 21 /** 22 * Returns `true` if every element in `coll` satisfies an async test. If any 23 * iteratee call returns `false`, the main `callback` is immediately called. 24 * 25 * @name every 26 * @static 27 * @memberOf module:Collections 28 * @method 29 * @alias all 30 * @category Collection 31 * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over. 32 * @param {AsyncFunction} iteratee - An async truth test to apply to each item 33 * in the collection in parallel. 34 * The iteratee must complete with a boolean result value. 35 * Invoked with (item, callback). 36 * @param {Function} [callback] - A callback which is called after all the 37 * `iteratee` functions have finished. Result will be either `true` or `false` 38 * depending on the values of the async tests. Invoked with (err, result). 39 * @returns {Promise} a promise, if no callback provided 40 * @example 41 * 42 * async.every(['file1','file2','file3'], function(filePath, callback) { 43 * fs.access(filePath, function(err) { 44 * callback(null, !err) 45 * }); 46 * }, function(err, result) { 47 * // if result is true then every file exists 48 * }); 49 */ 50 function every(coll, iteratee, callback) { 51 return (0, _createTester2.default)(bool => !bool, res => !res)(_eachOf2.default, coll, iteratee, callback); 52 } 53 exports.default = (0, _awaitify2.default)(every, 3); 54 module.exports = exports['default'];