feat: add typescript solution to lc problem: No.2062 (doocs#611)

No.2062.Count Vowel Substrings of a String

Author: zhaocchen

solution/2000-2099/2062.Count Vowel Substrings of a String/README.md

@@ -86,6 +86,40 @@
 
 ```
 
+### **TypeScript**
+
+```ts
+function countVowelSubstrings(word: string): number {
+    const n = word.length;
+    let left = 0, right = 0;
+    let ans = 0;
+    while (right < n) {
+        if (!isVowel(word.charAt(right))) {
+            // 移动左指针
+            left = right + 1;
+        } else {
+            let cur = word.substring(left, right + 1).split('');
+            while (cur.length > 0) {
+                if (isValiedArr(cur)) {
+                    ans++;
+                }
+                cur.shift();
+            }
+        }
+        right++;
+    }
+    return ans;
+};
+
+function isVowel (char: string): boolean {
+    return ['a', 'e', 'i', 'o', 'u'].includes(char);
+}
+
+function isValiedArr(arr: Array<string>): boolean {
+    return new Set(arr).size == 5;
+}
+```
+
 ### **...**
 
 ```

solution/2000-2099/2062.Count Vowel Substrings of a String/README_EN.md

@@ -75,6 +75,40 @@
 
 ```
 
+### **TypeScript**
+
+```ts
+function countVowelSubstrings(word: string): number {
+    const n = word.length;
+    let left = 0, right = 0;
+    let ans = 0;
+    while (right < n) {
+        if (!isVowel(word.charAt(right))) {
+            // 移动左指针
+            left = right + 1;
+        } else {
+            let cur = word.substring(left, right + 1).split('');
+            while (cur.length > 0) {
+                if (isValiedArr(cur)) {
+                    ans++;
+                }
+                cur.shift();
+            }
+        }
+        right++;
+    }
+    return ans;
+};
+
+function isVowel (char: string): boolean {
+    return ['a', 'e', 'i', 'o', 'u'].includes(char);
+}
+
+function isValiedArr(arr: Array<string>): boolean {
+    return new Set(arr).size == 5;
+}
+```
+
 ### **...**
 
 ```

solution/2000-2099/2062.Count Vowel Substrings of a String/Solution.ts

@@ -0,0 +1,29 @@
+function countVowelSubstrings(word: string): number {
+    const n = word.length;
+    let left = 0, right = 0;
+    let ans = 0;
+    while (right < n) {
+        if (!isVowel(word.charAt(right))) {
+            // 移动左指针
+            left = right + 1;
+        } else {
+            let cur = word.substring(left, right + 1).split('');
+            while (cur.length > 0) {
+                if (isValiedArr(cur)) {
+                    ans++;
+                }
+                cur.shift();
+            }
+        }
+        right++;
+    }
+    return ans;
+};
+
+function isVowel (char: string): boolean {
+    return ['a', 'e', 'i', 'o', 'u'].includes(char);
+}
+
+function isValiedArr(arr: Array<string>): boolean {
+    return new Set(arr).size == 5;
+}