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