↔️ added challenge 15

readme.md

@@ -33,6 +33,7 @@ Para esta versión estaré usando TypeScript, en su versión 5.3.2.
 | 12  | [**Es una copia válida?**](https://adventjs.dev/es/challenges/2023/12)       |     🟠     | [TS](./src/challenges/12.ts) | [SPEC](./src/tests/12.spec.ts) |
 | 13  | [**Calculando el tiempo**](https://adventjs.dev/es/challenges/2023/13)           |     🟢     | [TS](./src/challenges/13.ts) | [SPEC](./src/tests/13.spec.ts) |
 | 14  | [**Evita la alarma**](https://adventjs.dev/es/challenges/2023/14)           |     🟠     | [TS](./src/challenges/14.ts) | [SPEC](./src/tests/14.spec.ts) |
+| 15  | [**Robot autónomo**](https://adventjs.dev/es/challenges/2023/15)           |     🟠     | [TS](./src/challenges/15.ts) | [SPEC](./src/tests/15.spec.ts) |
 
 ## Herramientas utilizadas 🛠️
 

src/challenges/15.ts

@@ -0,0 +1,14 @@
+export function autonomousDrive (store: string[], movements: string[]): string[] {
+  let row = store.findIndex(_ => _.includes('!'))
+  let col = store[row].indexOf('!')
+  store[row] = store[row].replace('!', '.')
+  for (const mv of movements) {
+    col += +(store[row][col + 1] === '.') * +(mv === 'R')
+    col -= +(store[row][col - 1] === '.') * +(mv === 'L')
+    row += +(store.at(row + 1)?.at(col) === '.') * +(mv === 'D')
+    row -= +(store.at(row - 1)?.at(col) === '.') * +(mv === 'U')
+  }
+  const str = store[row]
+  store[row] = str.substring(0, col) + '!' + str.substring(col + 1)
+  return store
+}

src/tests/15.spec.ts

@@ -0,0 +1,83 @@
+import { test, expectTypeOf, expect, describe } from 'vitest'
+import { autonomousDrive } from '../challenges/15'
+
+describe('Challenge #15', () => {
+  test('Test #01', () => {
+    expectTypeOf(autonomousDrive).returns.toEqualTypeOf(['undefined'])
+  })
+
+  test('Test #02', () => {
+    const received = autonomousDrive(['..!....'], ['R', 'L'])
+    const expected = [
+      '..!....'
+    ]
+    expect(received).toEqual(expected)
+  })
+
+  test('Test #03', () => {
+    const received = autonomousDrive(['!..', '***'], ['U', 'L'])
+    const expected = [
+      '!..',
+      '***'
+    ]
+    expect(received).toEqual(expected)
+  })
+
+  test('Test #04', () => {
+    const received = autonomousDrive([
+      '..!....',
+      '......*'
+    ], ['R', 'D', 'L'])
+    const expected = [
+      '.......',
+      '..!...*'
+    ]
+    expect(received).toEqual(expected)
+  })
+
+  test('Test #05', () => {
+    const received = autonomousDrive([
+      '*..!..*',
+      '*.....*'
+    ], ['R', 'R', 'R', 'D', 'D'])
+    const expected = [
+      '*.....*',
+      '*....!*'
+    ]
+    expect(received).toEqual(expected)
+  })
+
+  test('Test #06', () => {
+    const received = autonomousDrive(['***', '.!.', '***'], ['D', 'U', 'R', 'R', 'R'])
+    const expected = [
+      '***',
+      '..!',
+      '***'
+    ]
+    expect(received).toEqual(expected)
+  })
+
+  test('Test #07', () => {
+    const received = autonomousDrive(['***', '*!*', '***'], ['D', 'U', 'R', 'L'])
+    const expected = [
+      '***',
+      '*!*',
+      '***'
+    ]
+    expect(received).toEqual(expected)
+  })
+
+  test('Test #08', () => {
+    const received = autonomousDrive([
+      '.**.*.*.',
+      '.***....',
+      '..!.....'
+    ], ['D', 'U', 'R', 'R', 'R'])
+    const expected = [
+      '.**.*.*.',
+      '.***....',
+      '.....!..'
+    ]
+    expect(received).toEqual(expected)
+  })
+})