1 files changed, 180 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/lib/selector.js b/node_modules/autoprefixer/lib/selector.js
new file mode 100644
index 00000000..08bbb55d
--- /dev/null
+++ b/node_modules/autoprefixer/lib/selector.js
@@ -0,0 +1,180 @@
+'use strict';
+
+function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }
+
+var OldSelector = require('./old-selector');
+var Prefixer = require('./prefixer');
+var Browsers = require('./browsers');
+var utils = require('./utils');
+
+var Selector = function (_Prefixer) {
+    _inherits(Selector, _Prefixer);
+
+    function Selector(name, prefixes, all) {
+        _classCallCheck(this, Selector);
+
+        var _this = _possibleConstructorReturn(this, _Prefixer.call(this, name, prefixes, all));
+
+        _this.regexpCache = {};
+        return _this;
+    }
+
+    /**
+     * Is rule selectors need to be prefixed
+     */
+
+
+    Selector.prototype.check = function check(rule) {
+        if (rule.selector.indexOf(this.name) !== -1) {
+            return !!rule.selector.match(this.regexp());
+        }
+
+        return false;
+    };
+
+    /**
+     * Return prefixed version of selector
+     */
+
+
+    Selector.prototype.prefixed = function prefixed(prefix) {
+        return this.name.replace(/^([^\w]*)/, '$1' + prefix);
+    };
+
+    /**
+     * Lazy loadRegExp for name
+     */
+
+
+    Selector.prototype.regexp = function regexp(prefix) {
+        if (this.regexpCache[prefix]) {
+            return this.regexpCache[prefix];
+        }
+
+        var name = prefix ? this.prefixed(prefix) : this.name;
+        this.regexpCache[prefix] = new RegExp('(^|[^:"\'=])' + utils.escapeRegexp(name), 'gi');
+        return this.regexpCache[prefix];
+    };
+
+    /**
+     * All possible prefixes
+     */
+
+
+    Selector.prototype.possible = function possible() {
+        return Browsers.prefixes();
+    };
+
+    /**
+     * Return all possible selector prefixes
+     */
+
+
+    Selector.prototype.prefixeds = function prefixeds(rule) {
+        if (rule._autoprefixerPrefixeds) {
+            return rule._autoprefixerPrefixeds;
+        }
+
+        var prefixeds = {};
+        for (var _iterator = this.possible(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+            var _ref;
+
+            if (_isArray) {
+                if (_i >= _iterator.length) break;
+                _ref = _iterator[_i++];
+            } else {
+                _i = _iterator.next();
+                if (_i.done) break;
+                _ref = _i.value;
+            }
+
+            var prefix = _ref;
+
+            prefixeds[prefix] = this.replace(rule.selector, prefix);
+        }
+
+        rule._autoprefixerPrefixeds = prefixeds;
+        return rule._autoprefixerPrefixeds;
+    };
+
+    /**
+     * Is rule already prefixed before
+     */
+
+
+    Selector.prototype.already = function already(rule, prefixeds, prefix) {
+        var index = rule.parent.index(rule) - 1;
+
+        while (index >= 0) {
+            var before = rule.parent.nodes[index];
+
+            if (before.type !== 'rule') {
+                return false;
+            }
+
+            var some = false;
+            for (var key in prefixeds) {
+                var prefixed = prefixeds[key];
+                if (before.selector === prefixed) {
+                    if (prefix === key) {
+                        return true;
+                    } else {
+                        some = true;
+                        break;
+                    }
+                }
+            }
+            if (!some) {
+                return false;
+            }
+
+            index -= 1;
+        }
+
+        return false;
+    };
+
+    /**
+     * Replace selectors by prefixed one
+     */
+
+
+    Selector.prototype.replace = function replace(selector, prefix) {
+        return selector.replace(this.regexp(), '$1' + this.prefixed(prefix));
+    };
+
+    /**
+     * Clone and add prefixes for at-rule
+     */
+
+
+    Selector.prototype.add = function add(rule, prefix) {
+        var prefixeds = this.prefixeds(rule);
+
+        if (this.already(rule, prefixeds, prefix)) {
+            return;
+        }
+
+        var cloned = this.clone(rule, { selector: prefixeds[prefix] });
+        rule.parent.insertBefore(rule, cloned);
+    };
+
+    /**
+     * Return function to fast find prefixed selector
+     */
+
+
+    Selector.prototype.old = function old(prefix) {
+        return new OldSelector(this, prefix);
+    };
+
+    return Selector;
+}(Prefixer);
+
+module.exports = Selector;
+\ No newline at end of file