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61 lines
2.2 KiB
61 lines
2.2 KiB
'use strict'; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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var _identity = require('lodash/identity'); |
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var _identity2 = _interopRequireDefault(_identity); |
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var _createTester = require('./internal/createTester'); |
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var _createTester2 = _interopRequireDefault(_createTester); |
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var _doParallel = require('./internal/doParallel'); |
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var _doParallel2 = _interopRequireDefault(_doParallel); |
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var _findGetResult = require('./internal/findGetResult'); |
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var _findGetResult2 = _interopRequireDefault(_findGetResult); |
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
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/** |
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* Returns the first value in `coll` that passes an async truth test. The |
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* `iteratee` is applied in parallel, meaning the first iteratee to return |
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* `true` will fire the detect `callback` with that result. That means the |
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* result might not be the first item in the original `coll` (in terms of order) |
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* that passes the test. |
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* If order within the original `coll` is important, then look at |
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* [`detectSeries`]{@link module:Collections.detectSeries}. |
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* |
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* @name detect |
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* @static |
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* @memberOf module:Collections |
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* @method |
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* @alias find |
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* @category Collections |
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* @param {Array|Iterable|Object} coll - A collection to iterate over. |
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* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`. |
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* The iteratee must complete with a boolean value as its result. |
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* Invoked with (item, callback). |
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* @param {Function} [callback] - A callback which is called as soon as any |
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* iteratee returns `true`, or after all the `iteratee` functions have finished. |
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* Result will be the first item in the array that passes the truth test |
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* (iteratee) or the value `undefined` if none passed. Invoked with |
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* (err, result). |
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* @example |
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* |
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* async.detect(['file1','file2','file3'], function(filePath, callback) { |
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* fs.access(filePath, function(err) { |
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* callback(null, !err) |
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* }); |
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* }, function(err, result) { |
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* // result now equals the first file in the list that exists |
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* }); |
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*/ |
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exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default)); |
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module.exports = exports['default']; |