From 41fa91abec1c53db84e4abe0d009b6606d5e730c Mon Sep 17 00:00:00 2001
From: DinoBambino69 <48675489+DinoBambino69@users.noreply.github.com>
Date: Thu, 27 May 2021 01:51:00 +0300
Subject: [PATCH] Iterator add

---
 Iterator_by_Ilalov_ts/CollectionImpl.ts | 24 ++++++++++++++++++++++++
 Iterator_by_Ilalov_ts/ICollection.ts    | 13 +++++++++++++
 Iterator_by_Ilalov_ts/IIterator.ts      |  6 ++++++
 Iterator_by_Ilalov_ts/IteratorImpl.ts   | 20 ++++++++++++++++++++
 Iterator_by_Ilalov_ts/main.ts           | 14 ++++++++++++++
 5 files changed, 77 insertions(+)
 create mode 100644 Iterator_by_Ilalov_ts/CollectionImpl.ts
 create mode 100644 Iterator_by_Ilalov_ts/ICollection.ts
 create mode 100644 Iterator_by_Ilalov_ts/IIterator.ts
 create mode 100644 Iterator_by_Ilalov_ts/IteratorImpl.ts
 create mode 100644 Iterator_by_Ilalov_ts/main.ts

diff --git a/Iterator_by_Ilalov_ts/CollectionImpl.ts b/Iterator_by_Ilalov_ts/CollectionImpl.ts
new file mode 100644
index 0000000..fdb6638
--- /dev/null
+++ b/Iterator_by_Ilalov_ts/CollectionImpl.ts
@@ -0,0 +1,24 @@
+import {ICollection} from "./ICollection";
+import {IIterator} from "./IIterator";
+import {IteratorImpl} from "./IteratorImpl";
+
+//Реализация коллекции
+export class CollectionImpl implements ICollection{
+    private items: any[] = [];
+
+    public getIterator(): IIterator<any> {
+        return new IteratorImpl(this);
+    }
+
+    public addItem(item: any): void {
+        this.items.push(item);
+    }
+
+    public getItems(): any[] {
+        return this.items;
+    }
+
+    public getLength(): number {
+        return this.items.length;
+    }
+}
diff --git a/Iterator_by_Ilalov_ts/ICollection.ts b/Iterator_by_Ilalov_ts/ICollection.ts
new file mode 100644
index 0000000..6da84e3
--- /dev/null
+++ b/Iterator_by_Ilalov_ts/ICollection.ts
@@ -0,0 +1,13 @@
+import {IIterator} from "./IIterator";
+
+export interface ICollection {
+
+    //Вызов итератора
+    getIterator(): IIterator<any>
+    //Добавление элемента
+    addItem(item): void
+    //Получение всех элементов
+    getItems(): any[]
+    //Получение количества элементов
+    getLength(): number
+}
diff --git a/Iterator_by_Ilalov_ts/IIterator.ts b/Iterator_by_Ilalov_ts/IIterator.ts
new file mode 100644
index 0000000..71ca4ac
--- /dev/null
+++ b/Iterator_by_Ilalov_ts/IIterator.ts
@@ -0,0 +1,6 @@
+export interface IIterator<T> {
+    //Получить текущий элемент и перейти к следующему
+    getNext(): T;
+    //Проверить наличие следующего элемента
+    hasNext(): boolean;
+}
diff --git a/Iterator_by_Ilalov_ts/IteratorImpl.ts b/Iterator_by_Ilalov_ts/IteratorImpl.ts
new file mode 100644
index 0000000..b5a8dfe
--- /dev/null
+++ b/Iterator_by_Ilalov_ts/IteratorImpl.ts
@@ -0,0 +1,20 @@
+import {IIterator} from "./IIterator";
+import {ICollection} from "./ICollection";
+
+//Реализация итератора
+export class IteratorImpl implements IIterator<any> {
+    private collection: ICollection;
+    private index: number = 0;
+
+    constructor(collection: ICollection) {
+        this.collection = collection;
+    }
+
+    public getNext(): any {
+        return this.collection.getItems()[this.index++];
+    }
+
+    public hasNext(): boolean {
+        return this.index < this.collection.getLength();
+    }
+}
diff --git a/Iterator_by_Ilalov_ts/main.ts b/Iterator_by_Ilalov_ts/main.ts
new file mode 100644
index 0000000..bb93d66
--- /dev/null
+++ b/Iterator_by_Ilalov_ts/main.ts
@@ -0,0 +1,14 @@
+import {CollectionImpl} from "./CollectionImpl";
+
+const collection = new CollectionImpl();
+//Добавление элементов в коллекцию
+collection.addItem(1);
+collection.addItem('Two');
+collection.addItem(true);
+collection.addItem([4, 5]);
+
+const iterator = collection.getIterator();
+
+while (iterator.hasNext()) {
+    console.log(iterator.getNext());
+}