switch to vuepress

1 files changed, 106 insertions, 0 deletions

diff --git a/node_modules/es6-iterator/index.js b/node_modules/es6-iterator/index.js
new file mode 100644
index 00000000..790475fd
--- /dev/null
+++ b/node_modules/es6-iterator/index.js
@@ -0,0 +1,106 @@
+"use strict";
+
+var clear    = require("es5-ext/array/#/clear")
+  , assign   = require("es5-ext/object/assign")
+  , callable = require("es5-ext/object/valid-callable")
+  , value    = require("es5-ext/object/valid-value")
+  , d        = require("d")
+  , autoBind = require("d/auto-bind")
+  , Symbol   = require("es6-symbol");
+
+var defineProperty = Object.defineProperty, defineProperties = Object.defineProperties, Iterator;
+
+module.exports = Iterator = function (list, context) {
+	if (!(this instanceof Iterator)) throw new TypeError("Constructor requires 'new'");
+	defineProperties(this, {
+		__list__: d("w", value(list)),
+		__context__: d("w", context),
+		__nextIndex__: d("w", 0)
+	});
+	if (!context) return;
+	callable(context.on);
+	context.on("_add", this._onAdd);
+	context.on("_delete", this._onDelete);
+	context.on("_clear", this._onClear);
+};
+
+// Internal %IteratorPrototype% doesn't expose its constructor
+delete Iterator.prototype.constructor;
+
+defineProperties(
+	Iterator.prototype,
+	assign(
+		{
+			_next: d(function () {
+				var i;
+				if (!this.__list__) return undefined;
+				if (this.__redo__) {
+					i = this.__redo__.shift();
+					if (i !== undefined) return i;
+				}
+				if (this.__nextIndex__ < this.__list__.length) return this.__nextIndex__++;
+				this._unBind();
+				return undefined;
+			}),
+			next: d(function () {
+				return this._createResult(this._next());
+			}),
+			_createResult: d(function (i) {
+				if (i === undefined) return { done: true, value: undefined };
+				return { done: false, value: this._resolve(i) };
+			}),
+			_resolve: d(function (i) {
+				return this.__list__[i];
+			}),
+			_unBind: d(function () {
+				this.__list__ = null;
+				delete this.__redo__;
+				if (!this.__context__) return;
+				this.__context__.off("_add", this._onAdd);
+				this.__context__.off("_delete", this._onDelete);
+				this.__context__.off("_clear", this._onClear);
+				this.__context__ = null;
+			}),
+			toString: d(function () {
+				return "[object " + (this[Symbol.toStringTag] || "Object") + "]";
+			})
+		},
+		autoBind({
+			_onAdd: d(function (index) {
+				if (index >= this.__nextIndex__) return;
+				++this.__nextIndex__;
+				if (!this.__redo__) {
+					defineProperty(this, "__redo__", d("c", [index]));
+					return;
+				}
+				this.__redo__.forEach(function (redo, i) {
+					if (redo >= index) this.__redo__[i] = ++redo;
+				}, this);
+				this.__redo__.push(index);
+			}),
+			_onDelete: d(function (index) {
+				var i;
+				if (index >= this.__nextIndex__) return;
+				--this.__nextIndex__;
+				if (!this.__redo__) return;
+				i = this.__redo__.indexOf(index);
+				if (i !== -1) this.__redo__.splice(i, 1);
+				this.__redo__.forEach(function (redo, j) {
+					if (redo > index) this.__redo__[j] = --redo;
+				}, this);
+			}),
+			_onClear: d(function () {
+				if (this.__redo__) clear.call(this.__redo__);
+				this.__nextIndex__ = 0;
+			})
+		})
+	)
+);
+
+defineProperty(
+	Iterator.prototype,
+	Symbol.iterator,
+	d(function () {
+		return this;
+	})
+);