Resoluçao dos exercicios da aula 72

semana23/exercicios-aula72/.gitignore

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+/node_modules
+/build

semana23/exercicios-aula72/README.md

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+### Exercícios aula 72
+
+## 1.
+### Resposta:
+~~~typescript
+function isOneEdit(target: string, reference: string){
+  if(reference.length > target.length + 1 || reference.length <= target.length -2){
+    return false
+  }
+
+  const targetCharList = target.split("")
+  const referenceCharList = reference.split("")
+
+  const strangerCharList = referenceCharList.filter(char=>{
+    return ! targetCharList.includes(char)
+  })
+
+  if(strangerCharList.length > 1){
+    return false
+  }
+
+  return true
+}
+~~~
+
+## 2.
+### Resposta:
+~~~typescript
+interface HashTable{
+  [key: string]: number
+}
+
+function sequenceCount(target: string){
+  const count: HashTable = {}
+  const splitedStr = target.split("")
+  let finalStr = ""
+
+  splitedStr.forEach(char=>{
+    if(count[char]){
+      count[char] += 1
+    }else{
+      count[char] = 1
+    }
+  })
+
+  for(const char in count){
+    finalStr += char+`${count[char]}`
+  }
+
+  return finalStr.length > target.length ? target : finalStr
+}
+~~~
+
+### Fim dos exercícios

semana23/exercicios-aula72/package.json

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+{
+  "name": "exercicios-aula72",
+  "version": "1.0.0",
+  "description": "Exercicios aula 72, da semana 23",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "clear && tsc && ts-node ./src/index.ts"
+  },
+  "author": "OsmanRodrigues",
+  "license": "ISC",
+  "dependencies": {
+    "@types/node": "^14.6.0",
+    "ts-node": "^9.0.0",
+    "typescript": "^4.0.2"
+  }
+}

semana23/exercicios-aula72/src/index.ts

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+function isOneEdit(target: string, reference: string){
+  if(reference.length > target.length + 1 || reference.length <= target.length -2){
+    return false
+  }
+
+  const targetCharList = target.split("")
+  const referenceCharList = reference.split("")
+
+  const strangerCharList = referenceCharList.filter(char=>{
+    return ! targetCharList.includes(char)
+  })
+
+  if(strangerCharList.length > 1){
+    return false
+  }
+
+  return true
+}
+
+interface HashTable{
+  [key: string]: number
+}
+
+function sequenceCount(target: string){
+  const count: HashTable = {}
+  const splitedStr = target.split("")
+  let finalStr = ""
+
+  splitedStr.forEach(char=>{
+    if(count[char]){
+      count[char] += 1
+    }else{
+      count[char] = 1
+    }
+  })
+
+  for(const char in count){
+    finalStr += char+`${count[char]}`
+  }
+
+  return finalStr.length > target.length ? target : finalStr
+}
+

semana23/exercicios-aula72/tsconfig.json

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+{
+  "compilerOptions": {
+    "noImplicitAny": true,
+    "removeComments": true,
+    "preserveConstEnums": true,
+    "outDir": "build",
+    "sourceMap": true,
+    "target": "es6",
+    "module": "commonjs",
+    "esModuleInterop": true
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules"]
+}