WIP - add extractor, generate snippet_data

node_modules/babel-plugin-minify-mangle-names/lib/counted-set.js

@@ -0,0 +1,50 @@
+"use strict";
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+// Set that counts
+module.exports = function () {
+  function CountedSet() {
+    _classCallCheck(this, CountedSet);
+
+    // because you can't simply extend Builtins yet
+    this.map = new Map();
+  }
+
+  _createClass(CountedSet, [{
+    key: "keys",
+    value: function keys() {
+      return [].concat(_toConsumableArray(this.map.keys()));
+    }
+  }, {
+    key: "has",
+    value: function has(value) {
+      return this.map.has(value);
+    }
+  }, {
+    key: "add",
+    value: function add(value) {
+      if (!this.has(value)) {
+        this.map.set(value, 0);
+      }
+      this.map.set(value, this.map.get(value) + 1);
+    }
+  }, {
+    key: "delete",
+    value: function _delete(value) {
+      if (!this.has(value)) return;
+      var count = this.map.get(value);
+      if (count <= 1) {
+        this.map.delete(value);
+      } else {
+        this.map.set(value, count - 1);
+      }
+    }
+  }]);
+
+  return CountedSet;
+}();