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1 files changed, 100 insertions, 0 deletions

diff --git a/node_modules/postcss-filter-plugins/dist/index.js b/node_modules/postcss-filter-plugins/dist/index.js
new file mode 100644
index 00000000..23307387
--- /dev/null
+++ b/node_modules/postcss-filter-plugins/dist/index.js
@@ -0,0 +1,100 @@
+'use strict';
+
+exports.__esModule = true;
+
+var _postcss = require('postcss');
+
+var _postcss2 = _interopRequireDefault(_postcss);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.default = _postcss2.default.plugin('postcss-filter-plugins', function () {
+    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        _ref$template = _ref.template,
+        template = _ref$template === undefined ? function (_ref2) {
+        var postcssPlugin = _ref2.postcssPlugin;
+        return 'Found duplicate plugin: ' + postcssPlugin;
+    } : _ref$template,
+        _ref$silent = _ref.silent,
+        silent = _ref$silent === undefined ? false : _ref$silent,
+        _ref$exclude = _ref.exclude,
+        exclude = _ref$exclude === undefined ? [] : _ref$exclude,
+        _ref$direction = _ref.direction,
+        direction = _ref$direction === undefined ? 'both' : _ref$direction;
+
+    var id = Math.random().toString();
+    var prev = void 0,
+        next = void 0,
+        both = void 0;
+
+    switch (direction) {
+        case 'both':
+            both = true;
+            break;
+        case 'backward':
+            prev = true;
+            break;
+        case 'forward':
+            next = true;
+            break;
+    }
+
+    var processor = function processor(css, result) {
+        var previousPlugins = [];
+        var nextPlugins = [];
+        var bothPlugins = [];
+        var filter = false;
+        var position = 0;
+
+        var detect = function detect(list, plugin) {
+            var name = plugin.postcssPlugin;
+            if (typeof name === 'undefined') {
+                position++;
+                return;
+            }
+            if (~list.indexOf(name)) {
+                if (!silent) {
+                    result.warn(template(plugin));
+                }
+                result.processor.plugins.splice(position, 1);
+            } else {
+                list.push(name);
+                position++;
+            }
+        };
+
+        while (position < result.processor.plugins.length) {
+            var plugin = result.processor.plugins[position];
+            if (~exclude.indexOf(plugin.postcssPlugin)) {
+                position++;
+                continue;
+            }
+            if (plugin._id === id) {
+                position++;
+                filter = true;
+                continue;
+            } else if (plugin.postcssPlugin === 'postcss-filter-plugins') {
+                position++;
+                continue;
+            }
+            if (both) {
+                detect(bothPlugins, plugin);
+                continue;
+            }
+            if (filter && next) {
+                detect(nextPlugins, plugin);
+                continue;
+            }
+            if (!filter && prev) {
+                detect(previousPlugins, plugin);
+                continue;
+            }
+            position++;
+        }
+    };
+
+    processor._id = id;
+
+    return processor;
+});
+module.exports = exports['default'];
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