1 files changed, 178 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/lib/selector.js b/node_modules/autoprefixer/lib/selector.js
new file mode 100644
index 0000000..3770afb
--- /dev/null
+++ b/node_modules/autoprefixer/lib/selector.js
@@ -0,0 +1,178 @@
+"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 _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _defaults(subClass, superClass); }
+
+var OldSelector = require('./old-selector');
+
+var Prefixer = require('./prefixer');
+
+var Browsers = require('./browsers');
+
+var utils = require('./utils');
+
+var Selector =
+/*#__PURE__*/
+function (_Prefixer) {
+  _inheritsLoose(Selector, _Prefixer);
+
+  function Selector(name, prefixes, all) {
+    var _this;
+
+    _this = _Prefixer.call(this, name, prefixes, all) || this;
+    _this.regexpCache = {};
+    return _this;
+  }
+  /**
+     * Is rule selectors need to be prefixed
+     */
+
+
+  var _proto = Selector.prototype;
+
+  _proto.check = function check(rule) {
+    if (rule.selector.includes(this.name)) {
+      return !!rule.selector.match(this.regexp());
+    }
+
+    return false;
+  }
+  /**
+     * Return prefixed version of selector
+     */
+  ;
+
+  _proto.prefixed = function prefixed(prefix) {
+    return this.name.replace(/^([^\w]*)/, "$1" + prefix);
+  }
+  /**
+     * Lazy loadRegExp for name
+     */
+  ;
+
+  _proto.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
+     */
+  ;
+
+  _proto.possible = function possible() {
+    return Browsers.prefixes();
+  }
+  /**
+     * Return all possible selector prefixes
+     */
+  ;
+
+  _proto.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
+     */
+  ;
+
+  _proto.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
+     */
+  ;
+
+  _proto.replace = function replace(selector, prefix) {
+    return selector.replace(this.regexp(), "$1" + this.prefixed(prefix));
+  }
+  /**
+     * Clone and add prefixes for at-rule
+     */
+  ;
+
+  _proto.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
+     */
+  ;
+
+  _proto.old = function old(prefix) {
+    return new OldSelector(this, prefix);
+  };
+
+  return Selector;
+}(Prefixer);
+
+module.exports = Selector;
+\ No newline at end of file