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75 lines
2.1 KiB
75 lines
2.1 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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exports.default = _filter; |
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var _arrayMap = require('lodash/_arrayMap'); |
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var _arrayMap2 = _interopRequireDefault(_arrayMap); |
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var _isArrayLike = require('lodash/isArrayLike'); |
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var _isArrayLike2 = _interopRequireDefault(_isArrayLike); |
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var _baseProperty = require('lodash/_baseProperty'); |
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var _baseProperty2 = _interopRequireDefault(_baseProperty); |
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var _noop = require('lodash/noop'); |
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var _noop2 = _interopRequireDefault(_noop); |
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var _wrapAsync = require('./wrapAsync'); |
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var _wrapAsync2 = _interopRequireDefault(_wrapAsync); |
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
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function filterArray(eachfn, arr, iteratee, callback) { |
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var truthValues = new Array(arr.length); |
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eachfn(arr, function (x, index, callback) { |
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iteratee(x, function (err, v) { |
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truthValues[index] = !!v; |
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callback(err); |
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}); |
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}, function (err) { |
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if (err) return callback(err); |
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var results = []; |
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for (var i = 0; i < arr.length; i++) { |
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if (truthValues[i]) results.push(arr[i]); |
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} |
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callback(null, results); |
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}); |
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} |
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function filterGeneric(eachfn, coll, iteratee, callback) { |
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var results = []; |
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eachfn(coll, function (x, index, callback) { |
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iteratee(x, function (err, v) { |
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if (err) { |
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callback(err); |
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} else { |
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if (v) { |
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results.push({ index: index, value: x }); |
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} |
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callback(); |
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} |
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}); |
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}, function (err) { |
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if (err) { |
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callback(err); |
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} else { |
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callback(null, (0, _arrayMap2.default)(results.sort(function (a, b) { |
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return a.index - b.index; |
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}), (0, _baseProperty2.default)('value'))); |
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} |
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}); |
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} |
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function _filter(eachfn, coll, iteratee, callback) { |
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var filter = (0, _isArrayLike2.default)(coll) ? filterArray : filterGeneric; |
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filter(eachfn, coll, (0, _wrapAsync2.default)(iteratee), callback || _noop2.default); |
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} |
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module.exports = exports['default']; |