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61 lines
2.2 KiB
61 lines
2.2 KiB
1 month ago
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'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'];
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