feat: enable new langs (#42491)

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curriculum/challenges/italian/10-coding-interview-prep/rosetta-code/balanced-brackets.md

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+---
+id: 594dc6c729e5700999302b45
+title: Balanced brackets
+challengeType: 5
+forumTopicId: 302230
+dashedName: balanced-brackets
+---
+
+# --description--
+
+Determine whether a generated string of brackets is balanced; that is, whether it consists entirely of pairs of opening/closing brackets (in that order), none of which mis-nest.
+
+**Examples:**
+| Input                     | Output |
+| ------------------------- | ------ |
+| <code>\[]</code>          | true   |
+| <code>]\[</code>          | false  |
+| <code>[][]</code>         | true   |
+| <code>]\[]</code>         | false  |
+| <code>\[]]\[\[]</code>    | false  |
+| <code>\[\[\[\[]]]]</code> | true   |
+
+# --hints--
+
+`isBalanced` should be a function.
+
+```js
+assert(typeof isBalanced === 'function');
+```
+
+`isBalanced("[]")` should return true.
+
+```js
+assert(isBalanced(testCases[0]));
+```
+
+`isBalanced("]][[[][][][]][")` should return false.
+
+```js
+assert(!isBalanced(testCases[1]));
+```
+
+`isBalanced("[][[[[][][[[]]]]]]")` should return true.
+
+```js
+assert(isBalanced(testCases[2]));
+```
+
+`isBalanced("][")` should return false.
+
+```js
+assert(!isBalanced(testCases[3]));
+```
+
+`isBalanced("[[[]]]][[]")` should return false.
+
+```js
+assert(!isBalanced(testCases[4]));
+```
+
+`isBalanced("][[]")` should return false.
+
+```js
+assert(!isBalanced(testCases[5]));
+```
+
+`isBalanced("][[][]][[[]]")` should return false.
+
+```js
+assert(!isBalanced(testCases[6]));
+```
+
+`isBalanced("[[][]]][")` should return false.
+
+```js
+assert(!isBalanced(testCases[7]));
+```
+
+`isBalanced("[[[]]][[]]]][][[")` should return false.
+
+```js
+assert(!isBalanced(testCases[8]));
+```
+
+`isBalanced("[]][[]]][[[[][]]")` should return false.
+
+```js
+assert(!isBalanced(testCases[9]));
+```
+
+`isBalanced("][]][[][")` should return false.
+
+```js
+assert(!isBalanced(testCases[10]));
+```
+
+`isBalanced("[[]][[][]]")` should return true.
+
+```js
+assert(isBalanced(testCases[11]));
+```
+
+`isBalanced("[[]]")` should return true.
+
+```js
+assert(isBalanced(testCases[12]));
+```
+
+`isBalanced("]][]][[]][[[")` should return false.
+
+```js
+assert(!isBalanced(testCases[13]));
+```
+
+`isBalanced("][]][][[")` should return false.
+
+```js
+assert(!isBalanced(testCases[14]));
+```
+
+`isBalanced("][][")` should return false.
+
+```js
+assert(!isBalanced(testCases[15]));
+```
+
+`isBalanced("[]]]")` should return false.
+
+```js
+assert(!isBalanced(testCases[16]));
+```
+
+`isBalanced("")` should return true.
+
+```js
+assert(isBalanced(testCases[17]));
+```
+
+# --seed--
+
+## --after-user-code--
+
+```js
+const testCases = [
+  '[]',
+  ']][[[][][][]][',
+  '[][[[[][][[[]]]]]]',
+  '][',
+  '[[[]]]][[]',
+  '][[]',
+  '][[][]][[[]]',
+  '[[][]]][',
+  '[[[]]][[]]]][][[',
+  '[]][[]]][[[[][]]',
+  '][]][[][',
+  '[[]][[][]]',
+  '[[]]',
+  ']][]][[]][[[',
+  '][]][][[',
+  '][][',
+  '[]]]',
+  ''
+];
+```
+
+## --seed-contents--
+
+```js
+function isBalanced(str) {
+
+  return true;
+}
+```
+
+# --solutions--
+
+```js
+function isBalanced(str) {
+  if (str === '') return true;
+  let a = str;
+  let b;
+  do {
+    b = a;
+    a = a.replace(/\[\]/g, '');
+  } while (a !== b);
+  return !a;
+}
+```