From b318565e8469cd112c17efc2dcbaec7ee133d482 Mon Sep 17 00:00:00 2001
From: caojunjie <1301239018@qq.com>
Date: Mon, 4 Nov 2024 19:19:29 +0800
Subject: [PATCH] =?UTF-8?q?feat(typescript):=2020=20=E7=8A=B6=E6=80=81?=
 =?UTF-8?q?=E6=A8=A1=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...66\346\200\201\346\250\241\345\274\217.md" | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git "a/DesignPattern/20-\347\212\266\346\200\201\346\250\241\345\274\217.md" "b/DesignPattern/20-\347\212\266\346\200\201\346\250\241\345\274\217.md"
index 1680c4c..b260874 100644
--- "a/DesignPattern/20-\347\212\266\346\200\201\346\250\241\345\274\217.md"
+++ "b/DesignPattern/20-\347\212\266\346\200\201\346\250\241\345\274\217.md"
@@ -424,3 +424,70 @@ func main() {
 }
 ```
 
+### Typescript
+
+``` typescript
+interface IState {
+  handle();
+}
+
+class OnState implements IState {
+  handle() {
+    console.log("Light is ON");
+  }
+}
+
+class OffState implements IState {
+  handle() {
+    console.log("Light is OFF");
+  }
+}
+
+class BlinkState implements IState {
+  handle() {
+    console.log("Light is Blinking");
+  }
+}
+
+class StateContext {
+  private currentState: IState;
+
+  constructor(state) {
+    this.currentState = state;
+  }
+
+  setState(state: IState) {
+    this.currentState = state;
+  }
+
+  getHandle() {
+    return this.currentState.handle();
+  }
+}
+
+// @ts-ignore
+entry(5, (...args) => {
+  const classMap = {
+    ON: OnState,
+    OFF: OffState,
+    BLINK: BlinkState,
+  };
+
+  let state = new StateContext(new OffState());
+  args.forEach((item) => {
+    state.setState(new classMap[item]());
+    state.getHandle();
+  });
+})("ON")("OFF")("BLINK")("OFF")("ON");
+
+function entry(count: number, fn: (...args: any) => void) {
+  function dfs(...args) {
+    if (args.length < count) {
+      return (arg) => dfs(...args, arg);
+    }
+
+    return fn(...args);
+  }
+  return dfs;
+}
+```