75 lines
2.1 KiB
JavaScript
75 lines
2.1 KiB
JavaScript
'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']; |