Version 1

[yaffs-website] / node_modules / grunt-uncss / node_modules / async / internal / filter.js

diff --git a/node_modules/grunt-uncss/node_modules/async/internal/filter.js b/node_modules/grunt-uncss/node_modules/async/internal/filter.js
new file mode 100644 (file)
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+++ b/node_modules/grunt-uncss/node_modules/async/internal/filter.js
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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);
+
+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, iteratee, callback || _noop2.default);
+}
+module.exports = exports['default'];
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