feat: add solutions to lc problem: No.2633

No.2633.Convert Object to JSON String

Author: yanglbme

solution/2600-2699/2633.Convert Object to JSON String/README.md

@@ -68,7 +68,29 @@ JSON 的基本类型是字符串、数字型、布尔值和 null。
 <!-- 这里可写当前语言的特殊实现逻辑 -->
 
 ```ts
-
+function jsonStringify(object: any): string {
+    if (object === null) {
+        return 'null';
+    }
+    if (typeof object === 'string') {
+        return `"${object}"`;
+    }
+    if (typeof object === 'number' || typeof object === 'boolean') {
+        return object.toString();
+    }
+    if (Array.isArray(object)) {
+        return `[${object.map(jsonStringify).join(',')}]`;
+    }
+    if (typeof object === 'object') {
+        return `{${Object.entries(object)
+            .map(
+                ([key, value]) =>
+                    `${jsonStringify(key)}:${jsonStringify(value)}`,
+            )
+            .join(',')}}`;
+    }
+    return '';
+}
 ```
 
 ### **...**

solution/2600-2699/2633.Convert Object to JSON String/README_EN.md

@@ -60,7 +60,29 @@ Primitive types are valid inputs.</pre>
 ### **TypeScript**
 
 ```ts
-
+function jsonStringify(object: any): string {
+    if (object === null) {
+        return 'null';
+    }
+    if (typeof object === 'string') {
+        return `"${object}"`;
+    }
+    if (typeof object === 'number' || typeof object === 'boolean') {
+        return object.toString();
+    }
+    if (Array.isArray(object)) {
+        return `[${object.map(jsonStringify).join(',')}]`;
+    }
+    if (typeof object === 'object') {
+        return `{${Object.entries(object)
+            .map(
+                ([key, value]) =>
+                    `${jsonStringify(key)}:${jsonStringify(value)}`,
+            )
+            .join(',')}}`;
+    }
+    return '';
+}
 ```
 
 ### **...**

solution/2600-2699/2633.Convert Object to JSON String/Solution.ts

@@ -0,0 +1,23 @@
+function jsonStringify(object: any): string {
+    if (object === null) {
+        return 'null';
+    }
+    if (typeof object === 'string') {
+        return `"${object}"`;
+    }
+    if (typeof object === 'number' || typeof object === 'boolean') {
+        return object.toString();
+    }
+    if (Array.isArray(object)) {
+        return `[${object.map(jsonStringify).join(',')}]`;
+    }
+    if (typeof object === 'object') {
+        return `{${Object.entries(object)
+            .map(
+                ([key, value]) =>
+                    `${jsonStringify(key)}:${jsonStringify(value)}`,
+            )
+            .join(',')}}`;
+    }
+    return '';
+}