feat: add solutions to lc problem: No.1487 (doocs#905)

No.1487.Making File Names Unique

Author: thinkasany

solution/1400-1499/1487.Making File Names Unique/README.md

@@ -177,6 +177,26 @@ func getFolderNames(names []string) []string {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function getFolderNames(names: string[]): string[] {
+    let d: Map<string, number> = new Map();
+    for (let i = 0; i < names.length; ++i) {
+        if (d.has(names[i])) {
+            let k: number = d.get(names[i]) || 0;
+            while (d.has(names[i] + '(' + k + ')')) {
+                ++k;
+            }
+            d.set(names[i], k);
+            names[i] += '(' + k + ')';
+        }
+        d.set(names[i], 1);
+    }
+    return names;
+}
+```
+
 ### **...**
 
 ```

solution/1400-1499/1487.Making File Names Unique/README_EN.md

@@ -141,6 +141,26 @@ func getFolderNames(names []string) []string {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function getFolderNames(names: string[]): string[] {
+    let d: Map<string, number> = new Map();
+    for (let i = 0; i < names.length; ++i) {
+        if (d.has(names[i])) {
+            let k: number = d.get(names[i]) || 0;
+            while (d.has(names[i] + '(' + k + ')')) {
+                ++k;
+            }
+            d.set(names[i], k);
+            names[i] += '(' + k + ')';
+        }
+        d.set(names[i], 1);
+    }
+    return names;
+}
+```
+
 ### **...**
 
 ```

solution/1400-1499/1487.Making File Names Unique/Solution.ts

@@ -0,0 +1,15 @@
+function getFolderNames(names: string[]): string[] {
+    let d: Map<string, number> = new Map();
+    for (let i = 0; i < names.length; ++i) {
+        if (d.has(names[i])) {
+            let k: number = d.get(names[i]) || 0;
+            while (d.has(names[i] + '(' + k + ')')) {
+                ++k;
+            }
+            d.set(names[i], k);
+            names[i] += '(' + k + ')';
+        }
+        d.set(names[i], 1);
+    }
+    return names;
+}