Algoritmo que checa se caracter especial é válido

logic-exercises/checaParenteses/.gitignore

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+node_modules
+build
+package-lock.json

logic-exercises/checaParenteses/jest.config.js

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+module.exports = {
+    roots: ["<rootDir>/tests"],
+    transform: {
+    "^.+\\.tsx?$": "ts-jest",
+    },
+    testRegex: "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",
+    moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json", "node"],
+   };

logic-exercises/checaParenteses/package.json

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+{
+  "name": "checaParenteses",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "dev": "ts-node-dev --transpile-only --ignore-watch node_modules ./src/index.ts",
+    "test": "clear && jest",
+    "start": "tsc && node ./build/src/index.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "jest": "^27.4.7",
+    "ts-jest": "^27.1.3",
+    "ts-node-dev": "^1.1.8"
+  },
+  "devDependencies": {
+    "@types/jest": "^27.4.0",
+    "@types/node": "^17.0.14",
+    "typescript": "^4.5.5"
+  }
+}

logic-exercises/checaParenteses/src/index.ts

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+export const checaParenteses = (caracter:string):boolean => {
+    const array: string[] = [];
+
+    for (let char of caracter) {
+      if (char === "(" || char === "[" || char === "{") {
+        array.push(char);
+      } else {
+        const lastOpeningChar = array.pop();
+        if(!lastOpeningChar) {
+          return false
+        } else if (
+          (lastOpeningChar === "(" && char !== ")") ||
+          (lastOpeningChar === "[" && char !== "]") ||
+          (lastOpeningChar === "{" && char !== "}")
+        ) {
+          return false;
+        }
+      }
+    }
+
+    if (array.length > 0) {
+      return false;
+    }
+
+    return true;
+  }
+
+  console.log(checaParenteses("(]"))

logic-exercises/checaParenteses/tests/index.test.ts

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+import { checaParenteses } from "../src";
+
+test("checaParentesesTeste1", ()=>{
+
+    const caracter = "()"
+
+    const result = checaParenteses(caracter)
+
+    expect(result).toBe(true);
+})
+
+test("checaParentesesTeste2", ()=>{
+
+    const caracter = "()[]{}"
+
+    const result = checaParenteses(caracter)
+
+    expect(result).toBe(true);
+})
+
+test("checaParentesesTeste3", ()=>{
+
+    const caracter = "(]"
+
+    const result = checaParenteses(caracter)
+
+    expect(result).toBe(false);
+})
+
+test("checaParentesesTeste4", ()=>{
+
+    const caracter = "([)]"
+
+    const result = checaParenteses(caracter)
+
+    expect(result).toBe(false);
+})
+
+test("checaParentesesTeste5", ()=>{
+
+    const caracter = "{[]}"
+
+    const result = checaParenteses(caracter)
+
+    expect(result).toBe(true);
+})

logic-exercises/checaParenteses/tsconfig.json

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+{
+  "compilerOptions": {
+   "target": "es6" ,
+   "module": "commonjs",
+   "outDir": "./build" ,
+   "rootDir": "./" ,
+   "strict": true ,
+   "sourceMap": true,
+   "removeComments": true,
+   "esModuleInterop": true ,
+   "forceConsistentCasingInFileNames": true
+   }
+  }