feat: usage of ESM modules imports (instead of CommonJS) (#14)

.eslintrc.json

@@ -5,11 +5,11 @@
     "project": "./tsconfig.json"
   },
   "env": {
-    "node": true,
-    "jest": true
+    "node": true
   },
   "rules": {
     "import/extensions": ["error", "always"],
-    "unicorn/prevent-abbreviations": "error"
+    "unicorn/prevent-abbreviations": "error",
+    "unicorn/prefer-node-protocol": "error"
   }
 }

.github/workflows/challenges.yml

@@ -9,8 +9,9 @@ on:
 jobs:
   test-solutions:
     runs-on: 'ubuntu-latest'
+    timeout-minutes: 30
     steps:
-      - uses: 'actions/checkout@v2'
+      - uses: 'actions/checkout@v3.0.0'
         with:
           fetch-depth: 0
 
@@ -20,7 +21,7 @@ jobs:
           SKIP_LOGIN: true
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v2.5.1'
+        uses: 'actions/setup-node@v3.0.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'

.github/workflows/cli.yml

@@ -10,10 +10,10 @@ jobs:
   lint:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v2'
+      - uses: 'actions/checkout@v3.0.0'
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v2.5.1'
+        uses: 'actions/setup-node@v3.0.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'
@@ -29,10 +29,10 @@ jobs:
   build:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v2'
+      - uses: 'actions/checkout@v3.0.0'
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v2.5.1'
+        uses: 'actions/setup-node@v3.0.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'
@@ -46,7 +46,7 @@ jobs:
   test:
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: 'actions/checkout@v2'
+      - uses: 'actions/checkout@v3.0.0'
 
       - name: 'Use Docker'
         uses: 'actions-hub/docker/cli@master'
@@ -54,7 +54,7 @@ jobs:
           SKIP_LOGIN: true
 
       - name: 'Use Node.js'
-        uses: 'actions/setup-node@v2.5.1'
+        uses: 'actions/setup-node@v3.0.0'
         with:
           node-version: 'lts/*'
           cache: 'npm'
@@ -62,5 +62,8 @@ jobs:
       - name: 'Install'
         run: 'npm install'
 
+      - name: 'Build'
+        run: 'npm run build'
+
       - name: 'Test'
         run: 'npm run test'

.gitignore

@@ -16,6 +16,7 @@ bin
 
 # testing
 coverage
+.nyc_output
 
 # editors
 .vscode

.swcrc

@@ -13,7 +13,7 @@
     "loose": true
   },
   "module": {
-    "type": "commonjs",
+    "type": "es6",
     "strict": false,
     "strictMode": true,
     "lazy": false,

.taprc

@@ -0,0 +1,9 @@
+ts: false
+jsx: false
+flow: false
+check-coverage: false
+coverage: false
+timeout: 60000
+
+files:
+  - 'build/**/*.test.js'

challenges/consecutive-numbers/solutions/c/function/solution.c

@@ -17,7 +17,7 @@ void print_couple(int* numbers, size_t couple_length) {
 
 int main() {
   size_t couple_length;
-  scanf("%ld\n", &couple_length);
+  scanf("%lu\n", &couple_length);
   char* string = input();
   char* token = strtok(string, " ; ");
   size_t numbers_length = 1;

challenges/convert-number-from-base-to-another/solutions/c/function/solution.c

@@ -16,7 +16,7 @@ char* convert_from_base_10_to_base(unsigned long number, unsigned int base) {
   if (number == 0) {
     return "0";
   }
-  int remainders[64] = {};
+  int remainders[64];
   int index = 0;
   while (number > 0) {
     remainders[index] = number % base;

challenges/hello-world/solutions/cpp/function/solution.cpp

@@ -1,9 +1,10 @@
+#include <cstdlib>
 #include <iostream>
 #include <string>
 
 int main() {
-  for (std::string line; std::getline(std::cin, line);) {
-    std::cout << "Hello, " + line + "!" << std::endl;
-  }
-  return 0;
+  std::string line;
+  std::getline(std::cin, line);
+  std::cout << "Hello, " + line + "!\n";
+  return EXIT_SUCCESS;
 }

challenges/sorting-algorithms/solutions/python/bubble-sort/README.md

@@ -0,0 +1,7 @@
+# sorting-algorithms/python/bubble-sort
+
+Created by [@Divlo](https://github.com/Divlo) on 29 June 2021.
+
+| Algorithm                                                   | Best Case   | Average Case | Worst Case  |
+| ----------------------------------------------------------- | ----------- | ------------ | ----------- |
+| [Bubble sort](https://wikipedia.org/wiki/Bubble_sort)       | O(n)        | O(n²)        | O(n²)       |

challenges/sorting-algorithms/solutions/python/bubble-sort/solution.py

@@ -0,0 +1,24 @@
+from typing import List
+import sys
+
+
+def bubble_sort(numbersInput: List[int]) -> List[int]:
+    numbers = list(numbersInput)
+    length = len(numbers)
+    for index_1 in range(length):
+        for index_2 in range(length - index_1 - 1):
+            if numbers[index_2] > numbers[index_2 + 1]:
+                temporary = numbers[index_2]
+                numbers[index_2] = numbers[index_2 + 1]
+                numbers[index_2 + 1] = temporary
+    return numbers
+
+
+numbers: List[int] = []
+for value in sys.stdin:
+    numbers.append(int(value.rstrip('\n')))
+
+numbers = numbers[1:]
+sorted_numbers = bubble_sort(numbers)
+for number in sorted_numbers:
+    print(number)

challenges/sorting-algorithms/solutions/python/insertion-sort/README.md

@@ -0,0 +1,7 @@
+# sorting-algorithms/python/insertion-sort
+
+Created by [@Divlo](https://github.com/Divlo) on 29 June 2021.
+
+| Algorithm                                                   | Best Case   | Average Case | Worst Case  |
+| ----------------------------------------------------------- | ----------- | ------------ | ----------- |
+| [Insertion sort](https://wikipedia.org/wiki/Insertion_sort) | O(n)        | O(n²)        | O(n²)       |

challenges/sorting-algorithms/solutions/python/insertion-sort/solution.py

@@ -0,0 +1,24 @@
+from typing import List
+import sys
+
+
+def insertion_sort(numbersInput: List[int]) -> List[int]:
+    numbers = list(numbersInput)
+    for index_1 in range(1, len(numbers)):
+        current = numbers[index_1]
+        index_2 = index_1 - 1
+        while index_2 >= 0 and numbers[index_2] > current:
+            numbers[index_2 + 1] = numbers[index_2]
+            index_2 -= 1
+        numbers[index_2 + 1] = current
+    return numbers
+
+
+numbers: List[int] = []
+for value in sys.stdin:
+    numbers.append(int(value.rstrip('\n')))
+
+numbers = numbers[1:]
+sorted_numbers = insertion_sort(numbers)
+for number in sorted_numbers:
+    print(number)

challenges/triangle-type/solutions/c/function/solution.c

@@ -15,7 +15,7 @@ char* triangle_type(int triangle_sides[3]) {
 }
 
 int main() {
-  int triangle_sides[3] = {};
+  int triangle_sides[3];
   for (size_t index = 0; index < 3; index++) {
     scanf("%d", &triangle_sides[index]);
   }

cli/__test__/setup.ts

@@ -1,3 +0,0 @@
-import { Docker } from '../services/Docker.js'
-
-jest.setTimeout(Docker.MAXIMUM_TIMEOUT_MILLISECONDS)

cli/commands/generate/__test__/challenge.test.ts

@@ -2,9 +2,11 @@ import { PassThrough } from 'node:stream'
 import path from 'node:path'
 import fs from 'node:fs'
 
+import tap from 'tap'
+import sinon from 'sinon'
+import fsMock from 'mock-fs'
 import chalk from 'chalk'
 import getStream from 'get-stream'
-import fsMock from 'mock-fs'
 import date from 'date-and-time'
 
 import { cli } from '../../../cli.js'
@@ -16,8 +18,8 @@ const challenge = 'aaaa-test-jest'
 const inputChallenge = `--challenge=${challenge}`
 const inputGitHubUser = `--github-user=${githubUser}`
 
-describe('programming-challenges generate challenge', () => {
-  beforeEach(() => {
+await tap.test('programming-challenges generate challenge', async (t) => {
+  t.beforeEach(() => {
     fsMock(
       {
         [process.cwd()]: fsMock.load(process.cwd(), { recursive: true })
@@ -26,13 +28,14 @@ describe('programming-challenges generate challenge', () => {
     )
   })
 
-  afterEach(() => {
+  t.afterEach(() => {
     fsMock.restore()
-    jest.clearAllMocks()
+    sinon.restore()
   })
 
-  it('succeeds and generate the new challenge', async () => {
-    console.log = jest.fn()
+  await t.test('succeeds and generate the new challenge', async (t) => {
+    sinon.stub(console, 'log').value(() => {})
+    const consoleLogSpy = sinon.spy(console, 'log')
     const dateString = date.format(new Date(), 'D MMMM Y', true)
     const stream = new PassThrough()
     const exitCode = await cli.run(
@@ -44,14 +47,20 @@ describe('programming-challenges generate challenge', () => {
       }
     )
     stream.end()
-    expect(exitCode).toEqual(0)
+    t.equal(exitCode, 0)
     const challengePath = path.join(process.cwd(), 'challenges', challenge)
     const readmePath = path.join(challengePath, 'README.md')
-    const readmeContent = await fs.promises.readFile(readmePath, { encoding: 'utf-8' })
-    const successMessage = `${chalk.bold.green('Success:')} created the new challenge at ${challengePath}.`
-    expect(console.log).toHaveBeenCalledWith(successMessage)
-    expect(await isExistingPath(challengePath)).toBeTruthy()
-    expect(readmeContent).toMatch(`# ${challenge}
+    const readmeContent = await fs.promises.readFile(readmePath, {
+      encoding: 'utf-8'
+    })
+    const successMessage = `${chalk.bold.green(
+      'Success:'
+    )} created the new challenge at ${challengePath}.`
+    t.equal(consoleLogSpy.calledWith(successMessage), true)
+    t.equal(await isExistingPath(challengePath), true)
+    t.equal(
+      readmeContent,
+      `# ${challenge}
 
 Created by [@${githubUser}](https://github.com/${githubUser}) on ${dateString}.
 
@@ -62,10 +71,11 @@ Description of the challenge...
 ## Examples
 
 See the \`test\` folder for examples of input/output.
-`)
+`
+    )
   })
 
-  it('fails without options', async () => {
+  await t.test('fails without options', async (t) => {
     const stream = new PassThrough()
     const promise = getStream(stream)
     const exitCode = await cli.run(input, {
@@ -74,13 +84,14 @@ See the \`test\` folder for examples of input/output.
       stderr: stream
     })
     stream.end()
-    expect(exitCode).toEqual(1)
+    t.equal(exitCode, 1)
     const output = await promise
-    expect(output).toContain('Unknown Syntax Error')
+    t.match(output, 'Unknown Syntax Error')
   })
 
-  it('fails with already existing challenge', async () => {
-    console.error = jest.fn()
+  await t.test('fails with already existing challenge', async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const exitCode = await cli.run(
       [...input, '--challenge=hello-world', inputGitHubUser],
@@ -90,15 +101,19 @@ See the \`test\` folder for examples of input/output.
         stderr: stream
       }
     )
-    expect(console.error).toHaveBeenCalledWith(
-      `${chalk.bold.red('Error:')} The challenge already exists: hello-world.`
-    )
     stream.end()
-    expect(exitCode).toEqual(1)
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
+        `${chalk.bold.red('Error:')} The challenge already exists: hello-world.`
+      ),
+      true
+    )
   })
 
-  it('fails with invalid challenge name', async () => {
-    console.error = jest.fn()
+  await t.test('fails with invalid challenge name', async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const exitCode = await cli.run(
       [...input, '--challenge=hEllO-world', inputGitHubUser],
@@ -109,9 +124,12 @@ See the \`test\` folder for examples of input/output.
       }
     )
     stream.end()
-    expect(exitCode).toEqual(1)
-    expect(console.error).toHaveBeenCalledWith(
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
         `${chalk.bold.red('Error:')} Invalid challenge name.`
+      ),
+      true
     )
   })
 })

cli/commands/generate/__test__/solution.test.ts

@@ -2,9 +2,11 @@ import { PassThrough } from 'node:stream'
 import path from 'node:path'
 import fs from 'node:fs'
 
+import tap from 'tap'
+import sinon from 'sinon'
+import fsMock from 'mock-fs'
 import chalk from 'chalk'
 import getStream from 'get-stream'
-import fsMock from 'mock-fs'
 import date from 'date-and-time'
 
 import { cli } from '../../../cli.js'
@@ -20,8 +22,8 @@ const inputGitHubUser = `--github-user=${githubUser}`
 const inputLanguage = `--language=${language}`
 const inputSolution = `--solution=${solution}`
 
-describe('programming-challenges generate solution', () => {
-  beforeEach(() => {
+await tap.test('programming-challenges generate solution', async (t) => {
+  t.beforeEach(() => {
     fsMock(
       {
         [process.cwd()]: fsMock.load(process.cwd(), { recursive: true })
@@ -30,13 +32,14 @@ describe('programming-challenges generate solution', () => {
     )
   })
 
-  afterEach(() => {
+  t.afterEach(() => {
     fsMock.restore()
-    jest.clearAllMocks()
+    sinon.restore()
   })
 
-  it('succeeds and generate the new solution', async () => {
-    console.log = jest.fn()
+  await t.test('succeeds and generate the new solution', async (t) => {
+    sinon.stub(console, 'log').value(() => {})
+    const consoleLogSpy = sinon.spy(console, 'log')
     const dateString = date.format(new Date(), 'D MMMM Y', true)
     const stream = new PassThrough()
     const exitCode = await cli.run(
@@ -48,26 +51,47 @@ describe('programming-challenges generate solution', () => {
       }
     )
     stream.end()
-    expect(exitCode).toEqual(0)
-    const solutionPath = path.join(process.cwd(), 'challenges', challenge, 'solutions', language, solution)
+    t.equal(exitCode, 0)
+    const solutionPath = path.join(
+      process.cwd(),
+      'challenges',
+      challenge,
+      'solutions',
+      language,
+      solution
+    )
     const readmePath = path.join(solutionPath, 'README.md')
-    const readmeContent = await fs.promises.readFile(readmePath, { encoding: 'utf-8' })
-    const successMessage = `${chalk.bold.green('Success:')} created the new solution at ${solutionPath}.`
-    expect(console.log).toHaveBeenCalledWith(successMessage)
-    expect(await isExistingPath(solutionPath)).toBeTruthy()
-    expect(readmeContent).toMatch(`# ${challenge}/${language}/${solution}
+    const readmeContent = await fs.promises.readFile(readmePath, {
+      encoding: 'utf-8'
+    })
+    const successMessage = `${chalk.bold.green(
+      'Success:'
+    )} created the new solution at ${solutionPath}.`
+    t.equal(consoleLogSpy.calledWith(successMessage), true)
+    t.equal(await isExistingPath(solutionPath), true)
+    t.equal(
+      readmeContent,
+      `# ${challenge}/${language}/${solution}
 
 Created by [@${githubUser}](https://github.com/${githubUser}) on ${dateString}.
-`)
+`
+    )
   })
 
-  it("fails with challenges that doesn't exist", async () => {
-    console.error = jest.fn()
+  await t.test("fails with challenges that doesn't exist", async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const invalidChallenge = 'aaa-jest-challenge'
     const inputInvalidChallenge = `--challenge=${invalidChallenge}`
     const exitCode = await cli.run(
-      [...input, inputInvalidChallenge, inputGitHubUser, inputLanguage, inputSolution],
+      [
+        ...input,
+        inputInvalidChallenge,
+        inputGitHubUser,
+        inputLanguage,
+        inputSolution
+      ],
       {
         stdin: process.stdin,
         stdout: stream,
@@ -75,19 +99,30 @@ Created by [@${githubUser}](https://github.com/${githubUser}) on ${dateString}.
       }
     )
     stream.end()
-    expect(exitCode).toEqual(1)
-    expect(console.error).toHaveBeenCalledWith(
-      chalk.bold.red('Error:') + ` The challenge doesn't exist yet: ${invalidChallenge}.`
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red('Error:') +
+          ` The challenge doesn't exist yet: ${invalidChallenge}.`
+      ),
+      true
     )
   })
 
-  it('fails with solution that already exist', async () => {
-    console.error = jest.fn()
+  await t.test('fails with solution that already exist', async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const invalidSolution = 'function'
     const inputInvalidSolution = `--solution=${invalidSolution}`
     const exitCode = await cli.run(
-      [...input, inputChallenge, inputGitHubUser, inputLanguage, inputInvalidSolution],
+      [
+        ...input,
+        inputChallenge,
+        inputGitHubUser,
+        inputLanguage,
+        inputInvalidSolution
+      ],
       {
         stdin: process.stdin,
         stdout: stream,
@@ -95,19 +130,30 @@ Created by [@${githubUser}](https://github.com/${githubUser}) on ${dateString}.
       }
     )
     stream.end()
-    expect(exitCode).toEqual(1)
-    expect(console.error).toHaveBeenCalledWith(
-      chalk.bold.red('Error:') + ` The solution already exists: ${invalidSolution}.`
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red('Error:') +
+          ` The solution already exists: ${invalidSolution}.`
+      ),
+      true
     )
   })
 
-  it('fails with invalid language', async () => {
-    console.error = jest.fn()
+  await t.test('fails with invalid language', async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const invalidLanguage = 'invalid'
     const inputInvalidLanguage = `--language=${invalidLanguage}`
     const exitCode = await cli.run(
-      [...input, inputChallenge, inputGitHubUser, inputSolution, inputInvalidLanguage],
+      [
+        ...input,
+        inputChallenge,
+        inputGitHubUser,
+        inputSolution,
+        inputInvalidLanguage
+      ],
       {
         stdin: process.stdin,
         stdout: stream,
@@ -115,13 +161,17 @@ Created by [@${githubUser}](https://github.com/${githubUser}) on ${dateString}.
       }
     )
     stream.end()
-    expect(exitCode).toEqual(1)
-    expect(console.error).toHaveBeenCalledWith(
-      chalk.bold.red('Error:') + ' This programming language is not supported yet.'
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red('Error:') +
+          ' This programming language is not supported yet.'
+      ),
+      true
     )
   })
 
-  it('fails without options', async () => {
+  await t.test('fails without options', async () => {
     const stream = new PassThrough()
     const promise = getStream(stream)
     const exitCode = await cli.run(input, {
@@ -130,8 +180,8 @@ Created by [@${githubUser}](https://github.com/${githubUser}) on ${dateString}.
       stderr: stream
     })
     stream.end()
-    expect(exitCode).toEqual(1)
+    t.equal(exitCode, 1)
     const output = await promise
-    expect(output).toContain('Unknown Syntax Error')
+    t.match(output, 'Unknown Syntax Error')
   })
 })

cli/commands/run/__test__/test.test.ts

@@ -1,5 +1,7 @@
 import { PassThrough } from 'node:stream'
 
+import tap from 'tap'
+import sinon from 'sinon'
 import chalk from 'chalk'
 
 import { cli } from '../../../cli.js'
@@ -13,13 +15,14 @@ const inputChallenge = `--challenge=${challenge}`
 const inputLanguage = `--language=${language}`
 const inputSolution = `--solution=${solution}`
 
-describe('programming-challenges run test', () => {
-  afterEach(() => {
-    jest.clearAllMocks()
+await tap.test('programming-challenges run test', async (t) => {
+  t.afterEach(() => {
+    sinon.restore()
   })
 
-  it('succeeds', async () => {
-    console.log = jest.fn()
+  await t.test('succeeds', async (t) => {
+    sinon.stub(console, 'log').value(() => {})
+    const consoleLogSpy = sinon.spy(console, 'log')
     const stream = new PassThrough()
     const exitCode = await cli.run(
       [...input, inputChallenge, inputSolution, inputLanguage],
@@ -30,14 +33,25 @@ describe('programming-challenges run test', () => {
       }
     )
     stream.end()
-    expect(exitCode).toEqual(0)
-    expect(console.log).toHaveBeenNthCalledWith(2, `${chalk.bold('Name:')} ${challenge}/${language}/${solution}\n`)
-    expect(console.log).toHaveBeenNthCalledWith(4, `${chalk.bold('Tests:')} ${chalk.bold.green('3 passed')}, 3 total`)
-    expect(console.log).toHaveBeenNthCalledWith(6, Test.SUCCESS_MESSAGE)
+    t.equal(exitCode, 0)
+    t.equal(
+      consoleLogSpy.calledWith(
+        `${chalk.bold('Name:')} ${challenge}/${language}/${solution}\n`
+      ),
+      true
+    )
+    t.equal(
+      consoleLogSpy.calledWith(
+        `${chalk.bold('Tests:')} ${chalk.bold.green('3 passed')}, 3 total`
+      ),
+      true
+    )
+    t.equal(consoleLogSpy.calledWith(Test.SUCCESS_MESSAGE), true)
   })
 
-  it("fails with solution that doesn't exist", async () => {
-    console.error = jest.fn()
+  await t.test("fails with solution that doesn't exist", async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const invalidSolution = 'invalid'
     const inputInvalidSolution = `--solution=${invalidSolution}`
@@ -50,14 +64,18 @@ describe('programming-challenges run test', () => {
       }
     )
     stream.end()
-    expect(exitCode).toEqual(1)
-    expect(console.error).toHaveBeenCalledWith(
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
         chalk.bold.red('Error:') + ' The solution was not found.'
+      ),
+      true
     )
   })
 
-  it('fails with invalid language', async () => {
-    console.error = jest.fn()
+  await t.test('fails with invalid language', async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const invalidLanguage = 'invalid'
     const inputInvalidLanguage = `--language=${invalidLanguage}`
@@ -70,14 +88,19 @@ describe('programming-challenges run test', () => {
       }
     )
     stream.end()
-    expect(exitCode).toEqual(1)
-    expect(console.error).toHaveBeenCalledWith(
-      chalk.bold.red('Error:') + ' This programming language is not supported yet.'
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
+        chalk.bold.red('Error:') +
+          ' This programming language is not supported yet.'
+      ),
+      true
     )
   })
 
-  it('fails without options', async () => {
-    console.error = jest.fn()
+  await t.test('fails without options', async (t) => {
+    sinon.stub(console, 'error').value(() => {})
+    const consoleErrorSpy = sinon.spy(console, 'error')
     const stream = new PassThrough()
     const exitCode = await cli.run(input, {
       stdin: process.stdin,
@@ -85,9 +108,14 @@ describe('programming-challenges run test', () => {
       stderr: stream
     })
     stream.end()
-    expect(exitCode).toEqual(1)
-    expect(console.error).toHaveBeenCalledWith(
-      `${chalk.bold.red('Error:')} You must specify all the options (\`--challenge\`, \`--solution\`,  \`--language\`).`
+    t.equal(exitCode, 1)
+    t.equal(
+      consoleErrorSpy.calledWith(
+        `${chalk.bold.red(
+          'Error:'
+        )} You must specify all the options (\`--challenge\`, \`--solution\`,  \`--language\`).`
+      ),
+      true
     )
   })
 })

cli/index.ts

@@ -5,7 +5,4 @@ import { cli } from './cli.js'
 
 const [, , ...arguments_] = process.argv
 
-cli.runExit(arguments_, Cli.defaultContext).catch(() => {
-  console.error('Error occurred...')
-  process.exit(1)
-})
+await cli.runExit(arguments_, Cli.defaultContext)

cli/services/Challenge.ts

@@ -1,5 +1,5 @@
-import path from 'node:path'
 import fs from 'node:fs'
+import { fileURLToPath } from 'node:url'
 
 import validateProjectName from 'validate-npm-package-name'
 
@@ -21,7 +21,7 @@ export class Challenge implements ChallengeOptions {
   constructor (options: ChallengeOptions) {
     const { name } = options
     this.name = name
-    this.path = path.join(__dirname, '..', '..', 'challenges', name)
+    this.path = fileURLToPath(new URL(`../../challenges/${name}`, import.meta.url))
   }
 
   static async generate (options: GenerateChallengeOptions): Promise<Challenge> {

cli/services/Docker.ts

@@ -1,4 +1,4 @@
-import execa from 'execa'
+import { execaCommand } from 'execa'
 import ora from 'ora'
 import ms from 'ms'
 
@@ -11,7 +11,7 @@ export class Docker {
   public async build (): Promise<void> {
     const loader = ora('Building the Docker image').start()
     try {
-      await execa.command(`docker build --tag=${Docker.CONTAINER_TAG} ./`)
+      await execaCommand(`docker build --tag=${Docker.CONTAINER_TAG} ./`)
       loader.stop()
     } catch (error) {
       loader.fail()
@@ -20,7 +20,7 @@ export class Docker {
   }
 
   public async run (input: string): Promise<string> {
-    const subprocess = execa.command(
+    const subprocess = execaCommand(
       `docker run --interactive --rm ${Docker.CONTAINER_TAG}`,
       {
         input

cli/services/GitAffected.ts

@@ -1,4 +1,4 @@
-import execa from 'execa'
+import { execaCommand } from 'execa'
 
 import { Challenge } from './Challenge.js'
 import { Solution } from './Solution.js'
@@ -35,7 +35,7 @@ export class GitAffected implements GitAffectedOptions {
     head: string
   ): Promise<string[]> {
     try {
-      const { stdout } = await execa.command(
+      const { stdout } = await execaCommand(
         `git diff --name-only --relative ${base} ${head}`
       )
       return this.parseGitOutput(stdout)
@@ -50,7 +50,7 @@ export class GitAffected implements GitAffectedOptions {
 
   public async getLatestPushedCommit (): Promise<string> {
     const latestCommit = this.isContinuousIntegration ? '~1' : ''
-    const { stdout } = await execa.command(`git rev-parse origin/master${latestCommit}`)
+    const { stdout } = await execaCommand(`git rev-parse origin/master${latestCommit}`)
     return stdout
   }
 

cli/services/Solution.ts

@@ -1,3 +1,4 @@
+import { fileURLToPath } from 'node:url'
 import path from 'node:path'
 import fs from 'node:fs'
 
@@ -122,12 +123,7 @@ export class Solution implements SolutionOptions {
 
   static async getManyByProgrammingLanguages (programmingLanguages?: string[]): Promise<Solution[]> {
     const languages = programmingLanguages ?? await template.getProgrammingLanguages()
-    const challengesPath = path.join(
-      __dirname,
-      '..',
-      '..',
-      'challenges'
-    )
+    const challengesPath = fileURLToPath(new URL('../../challenges', import.meta.url))
     const challenges = await fs.promises.readdir(challengesPath)
     const paths: string[] = []
     for (const challenge of challenges) {

cli/services/Template.ts

@@ -1,12 +1,15 @@
 import path from 'node:path'
+import { fileURLToPath } from 'node:url'
 import fs from 'node:fs'
 
-import { replaceInFile } from 'replace-in-file'
+import replaceInFileDefault from 'replace-in-file'
 import date from 'date-and-time'
 
 import { copyDirectory } from '../utils/copyDirectory.js'
 
-const TEMPLATE_PATH = path.join(__dirname, '..', '..', 'templates')
+const { replaceInFile } = replaceInFileDefault
+
+const TEMPLATE_PATH = fileURLToPath(new URL('../../templates', import.meta.url))
 const TEMPLATE_DOCKER_PATH = path.join(TEMPLATE_PATH, 'docker')
 const TEMPLATE_CHALLENGE_PATH = path.join(TEMPLATE_PATH, 'challenge')
 const TEMPLATE_SOLUTION_PATH = path.join(TEMPLATE_PATH, 'solution')
@@ -48,7 +51,9 @@ class Template {
     return description
   }
 
-  private async replaceInDestination (options: ReplaceInDestinationOptions): Promise<void> {
+  private async replaceInDestination(
+    options: ReplaceInDestinationOptions
+  ): Promise<void> {
     const { name, description, destination } = options
     const readmePath = path.join(destination, 'README.md')
     await replaceInFile({
@@ -70,8 +75,17 @@ class Template {
   }
 
   public async solution(options: TemplateSolutionOptions): Promise<void> {
-    const { destination, githubUser, name, challengeName, programmingLanguageName } = options
-    const templateLanguagePath = path.join(TEMPLATE_SOLUTION_PATH, programmingLanguageName)
+    const {
+      destination,
+      githubUser,
+      name,
+      challengeName,
+      programmingLanguageName
+    } = options
+    const templateLanguagePath = path.join(
+      TEMPLATE_SOLUTION_PATH,
+      programmingLanguageName
+    )
     await this.verifySupportedProgrammingLanguage(programmingLanguageName)
     await fs.promises.mkdir(destination, { recursive: true })
     await copyDirectory(templateLanguagePath, destination)
@@ -95,10 +109,12 @@ class Template {
 
   public async getProgrammingLanguages(): Promise<string[]> {
     const languages = await fs.promises.readdir(TEMPLATE_SOLUTION_PATH)
-    return languages.filter(language => language !== 'base')
+    return languages.filter((language) => language !== 'base')
   }
 
-  public async verifySupportedProgrammingLanguage (language: string): Promise<void> {
+  public async verifySupportedProgrammingLanguage(
+    language: string
+  ): Promise<void> {
     const languages = await this.getProgrammingLanguages()
     if (!languages.includes(language)) {
       throw new Error('This programming language is not supported yet.')

cli/services/__test__/GitAffected.test.ts

@@ -1,23 +1,26 @@
+import tap from 'tap'
+
 import { Challenge } from '../Challenge.js'
 import { GitAffected } from '../GitAffected.js'
 import { Solution } from '../Solution.js'
 
 const gitAffected = new GitAffected({ isContinuousIntegration: false })
 
-describe('services/GitAffected - parseGitOutput', () => {
-  it('returns the right output array', () => {
-    expect(gitAffected.parseGitOutput('1.txt\n 2.txt ')).toEqual(['1.txt', '2.txt'])
+await tap.test('services/GitAffected', async (t) => {
+  await t.test('parseGitOutput', async (t) => {
+    await t.test('returns the right output array', async (t) => {
+      t.same(gitAffected.parseGitOutput('1.txt\n 2.txt '), ['1.txt', '2.txt'])
     })
   })
 
-describe('services/GitAffected - getAffectedSolutionsFromFiles', () => {
-  it('returns the affected solutions', async () => {
+  await t.test('getAffectedSolutionsFromFiles', async (t) => {
+    await t.test('returns the affected solutions', async (t) => {
       const files = [
         'challenges/hello-world/solutions/javascript/function/solution.js',
         'challenges/is-palindrome/solutions/c/function/input.c'
       ]
       const solutions = await gitAffected.getAffectedSolutionsFromFiles(files)
-    expect(solutions).toEqual([
+      t.same(solutions, [
         new Solution({
           challenge: new Challenge({ name: 'hello-world' }),
           name: 'function',
@@ -31,74 +34,92 @@ describe('services/GitAffected - getAffectedSolutionsFromFiles', () => {
       ])
     })
 
-  it('returns the affected solutions from Dockerfile changes', async () => {
+    await t.test(
+      'returns the affected solutions from Dockerfile changes',
+      async (t) => {
         const files = ['templates/docker/javascript/Dockerfile']
         const solutions = await gitAffected.getAffectedSolutionsFromFiles(files)
-    expect(solutions[0]).toEqual(
+        t.same(
+          solutions[0],
           new Solution({
             challenge: new Challenge({ name: 'camel-case' }),
             name: 'function',
             programmingLanguageName: 'javascript'
           })
         )
-    expect(solutions[1]).toEqual(
+        t.same(
+          solutions[1],
           new Solution({
             challenge: new Challenge({ name: 'first-non-repeating-character' }),
             name: 'function',
             programmingLanguageName: 'javascript'
           })
         )
-  })
+      }
+    )
 
-  it('returns the affected solutions from Docker template changes', async () => {
+    await t.test(
+      'returns the affected solutions from Docker template changes',
+      async (t) => {
         const files = ['templates/docker/javascript/package.json']
         const solutions = await gitAffected.getAffectedSolutionsFromFiles(files)
-    expect(solutions[0]).toEqual(
+        t.same(
+          solutions[0],
           new Solution({
             challenge: new Challenge({ name: 'camel-case' }),
             name: 'function',
             programmingLanguageName: 'javascript'
           })
         )
-    expect(solutions[1]).toEqual(
+        t.same(
+          solutions[1],
           new Solution({
             challenge: new Challenge({ name: 'first-non-repeating-character' }),
             name: 'function',
             programmingLanguageName: 'javascript'
           })
         )
-  })
+      }
+    )
 
-  it('returns the affected solutions from input/output files', async () => {
+    await t.test(
+      'returns the affected solutions from input/output files',
+      async (t) => {
         const files = ['challenges/hello-world/test/1/input.txt']
         const solutions = await gitAffected.getAffectedSolutionsFromFiles(files)
-    expect(solutions[0]).toEqual(
+        t.same(
+          solutions[0],
           new Solution({
             challenge: new Challenge({ name: 'hello-world' }),
             name: 'function',
             programmingLanguageName: 'c'
           })
         )
-    expect(solutions[1]).toEqual(
+        t.same(
+          solutions[1],
           new Solution({
             challenge: new Challenge({ name: 'hello-world' }),
             name: 'function',
             programmingLanguageName: 'cpp'
           })
         )
-    expect(solutions[2]).toEqual(
+        t.same(
+          solutions[2],
           new Solution({
             challenge: new Challenge({ name: 'hello-world' }),
             name: 'function',
             programmingLanguageName: 'cs'
           })
         )
-    expect(solutions[3]).toEqual(
+        t.same(
+          solutions[3],
           new Solution({
             challenge: new Challenge({ name: 'hello-world' }),
             name: 'function',
             programmingLanguageName: 'dart'
           })
         )
+      }
+    )
   })
 })

cli/utils/__test__/copyDirectory.test.ts

@@ -1,43 +1,39 @@
 import fs from 'node:fs'
 
+import tap from 'tap'
 import fsMock from 'mock-fs'
 
 import { copyDirectory } from '../copyDirectory.js'
 
-describe('utils/copyDirectory', () => {
-  afterEach(() => {
+await tap.test('utils/copyDirectory', async (t) => {
+  t.afterEach(() => {
     fsMock.restore()
   })
 
-  it('copy the files', async () => {
+  await t.test('copy the files', async (t) => {
     fsMock({
       '/source': {
         'default.png': '',
-        'index.ts': '',
-        '.npmignore': ''
+        'index.ts': ''
       },
       '/destination': {}
-    }, { createCwd: false })
+    })
 
     let destinationDirectoryContent = await fs.promises.readdir('/destination')
     let sourceDirectoryContent = await fs.promises.readdir('/source')
-    expect(destinationDirectoryContent.length).toEqual(0)
-    expect(sourceDirectoryContent.length).toEqual(3)
+    t.equal(destinationDirectoryContent.length, 0)
+    t.equal(sourceDirectoryContent.length, 2)
 
     await copyDirectory('/source', '/destination')
     destinationDirectoryContent = await fs.promises.readdir('/destination')
     sourceDirectoryContent = await fs.promises.readdir('/source')
-    expect(destinationDirectoryContent.length).toEqual(3)
-    expect(sourceDirectoryContent.length).toEqual(3)
-    expect(destinationDirectoryContent).toEqual(
-      expect.arrayContaining(['default.png', 'index.ts', '.npmignore'])
-    )
-    expect(sourceDirectoryContent).toEqual(
-      expect.arrayContaining(['default.png', 'index.ts', '.npmignore'])
-    )
+    t.equal(destinationDirectoryContent.length, 2)
+    t.equal(sourceDirectoryContent.length, 2)
+    t.strictSame(destinationDirectoryContent, ['default.png', 'index.ts'])
+    t.strictSame(sourceDirectoryContent, ['default.png', 'index.ts'])
   })
 
-  it('copy the files and folders recursively', async () => {
+  await t.test('copy the files and folders recursively', async (t) => {
     fsMock({
       '/source': {
         'random-folder': {
@@ -46,11 +42,10 @@ describe('utils/copyDirectory', () => {
             'mycode.ts': ''
           }
         },
-        'index.ts': '',
-        '.npmignore': ''
+        'index.ts': ''
       },
       '/destination': {}
-    }, { createCwd: false })
+    })
 
     let destinationDirectoryContent = await fs.promises.readdir('/destination')
     let sourceDirectoryContent = await fs.promises.readdir('/source')
@@ -58,33 +53,27 @@ describe('utils/copyDirectory', () => {
     let secondRandomFolderContent = await fs.promises.readdir(
       '/source/random-folder/second-random-folder'
     )
-    expect(randomFolderContent.length).toEqual(2)
-    expect(secondRandomFolderContent.length).toEqual(1)
-    expect(destinationDirectoryContent.length).toEqual(0)
-    expect(sourceDirectoryContent.length).toEqual(3)
+    t.equal(randomFolderContent.length, 2)
+    t.equal(secondRandomFolderContent.length, 1)
+    t.equal(destinationDirectoryContent.length, 0)
+    t.equal(sourceDirectoryContent.length, 2)
 
     await copyDirectory('/source', '/destination')
     destinationDirectoryContent = await fs.promises.readdir('/destination')
     sourceDirectoryContent = await fs.promises.readdir('/source')
-    randomFolderContent = await fs.promises.readdir('/destination/random-folder')
+    randomFolderContent = await fs.promises.readdir(
+      '/destination/random-folder'
+    )
     secondRandomFolderContent = await fs.promises.readdir(
       '/destination/random-folder/second-random-folder'
     )
-    expect(destinationDirectoryContent.length).toEqual(3)
-    expect(sourceDirectoryContent.length).toEqual(3)
-    expect(destinationDirectoryContent).toEqual(
-      expect.arrayContaining(['random-folder', 'index.ts', '.npmignore'])
-    )
-    expect(sourceDirectoryContent).toEqual(
-      expect.arrayContaining(['random-folder', 'index.ts', '.npmignore'])
-    )
-    expect(randomFolderContent.length).toEqual(2)
-    expect(secondRandomFolderContent.length).toEqual(1)
-    expect(randomFolderContent).toEqual(
-      expect.arrayContaining(['default.png', 'second-random-folder'])
-    )
-    expect(secondRandomFolderContent).toEqual(
-      expect.arrayContaining(['mycode.ts'])
-    )
+    t.equal(destinationDirectoryContent.length, 2)
+    t.equal(sourceDirectoryContent.length, 2)
+    t.strictSame(destinationDirectoryContent, ['index.ts', 'random-folder'])
+    t.strictSame(sourceDirectoryContent, ['index.ts', 'random-folder'])
+    t.equal(randomFolderContent.length, 2)
+    t.equal(secondRandomFolderContent.length, 1)
+    t.strictSame(randomFolderContent, ['default.png', 'second-random-folder'])
+    t.strictSame(secondRandomFolderContent, ['mycode.ts'])
   })
 })

cli/utils/__test__/createTemporaryEmptyFolder.test.ts

@@ -1,6 +1,7 @@
 import fs from 'node:fs'
 
 import fsMock from 'mock-fs'
+import tap from 'tap'
 
 import {
   TEMPORARY_PATH,
@@ -8,20 +9,30 @@ import {
 } from '../createTemporaryEmptyFolder.js'
 import { isExistingPath } from '../isExistingPath.js'
 
-describe('utils/createTemporaryEmptyFolder', () => {
-  afterEach(() => {
+await tap.test('utils/createTemporaryEmptyFolder', async (t) => {
+  t.afterEach(() => {
     fsMock.restore()
   })
 
-  it('should remove and create again the temporary folder', async () => {
+  await t.test('should create the temporary folder', async (t) => {
+    fsMock({})
+    t.equal(await isExistingPath(TEMPORARY_PATH), false)
+    await createTemporaryEmptyFolder()
+    t.equal(await isExistingPath(TEMPORARY_PATH), true)
+  })
+
+  await t.test(
+    'should remove and create again the temporary folder',
+    async (t) => {
       fsMock({
         [TEMPORARY_PATH]: {
           'file.txt': ''
         }
-    }, { createCwd: false })
-    expect(await isExistingPath(TEMPORARY_PATH)).toBeTruthy()
-    expect((await fs.promises.readdir(TEMPORARY_PATH)).length).toEqual(1)
+      })
+      t.equal(await isExistingPath(TEMPORARY_PATH), true)
+      t.equal((await fs.promises.readdir(TEMPORARY_PATH)).length, 1)
       await createTemporaryEmptyFolder()
-    expect((await fs.promises.readdir(TEMPORARY_PATH)).length).toEqual(0)
-  })
+      t.equal((await fs.promises.readdir(TEMPORARY_PATH)).length, 0)
+    }
+  )
 })

cli/utils/__test__/isExistingPath.test.ts

@@ -1,23 +1,24 @@
 import fsMock from 'mock-fs'
+import tap from 'tap'
 
 import { isExistingPath } from '../isExistingPath.js'
 
-describe('utils/isExistingFile', () => {
-  afterEach(() => {
+await tap.test('utils/isExistingPath', async (t) => {
+  t.afterEach(() => {
     fsMock.restore()
   })
 
-  it('should return true if the file exists', async () => {
+  await t.test('should return true if the file exists', async () => {
     fsMock({
       '/file.txt': ''
-    }, { createCwd: false })
-    expect(await isExistingPath('/file.txt')).toBeTruthy()
+    })
+    t.equal(await isExistingPath('/file.txt'), true)
   })
 
-  it("should return false if the file doesn't exists", async () => {
+  await t.test("should return false if the file doesn't exists", async () => {
     fsMock({
       '/file.txt': ''
-    }, { createCwd: false })
-    expect(await isExistingPath('/randomfile.txt')).toBeFalsy()
+    })
+    t.equal(await isExistingPath('/randomfile.txt'), false)
   })
 })

cli/utils/createTemporaryEmptyFolder.ts

@@ -1,13 +1,14 @@
-import path from 'node:path'
+import { fileURLToPath } from 'node:url'
 import fs from 'node:fs'
 
 import { isExistingPath } from '../utils/isExistingPath.js'
 
-export const TEMPORARY_PATH = path.join(__dirname, '..', '..', 'temp')
+export const TEMPORARY_URL = new URL('../../temp', import.meta.url)
+export const TEMPORARY_PATH = fileURLToPath(TEMPORARY_URL)
 
 export const createTemporaryEmptyFolder = async (): Promise<void> => {
   if (await isExistingPath(TEMPORARY_PATH)) {
-    await fs.promises.rm(TEMPORARY_PATH, { recursive: true, force: true })
+    await fs.promises.rm(TEMPORARY_URL, { recursive: true, force: true })
   }
-  await fs.promises.mkdir(TEMPORARY_PATH)
+  await fs.promises.mkdir(TEMPORARY_URL)
 }

jest.config.json

@@ -1,14 +0,0 @@
-{
-  "testEnvironment": "node",
-  "resolver": "jest-ts-webcompat-resolver",
-  "transform": {
-    "^.+\\.(t|j)sx?$": ["@swc/jest"]
-  },
-  "rootDir": "./cli",
-  "testPathIgnorePatterns": [
-    "<rootDir>/commands/run/test.ts",
-    "<rootDir>/services/Test.ts",
-    "<rootDir>/node_modules"
-  ],
-  "setupFiles": ["<rootDir>/__test__/setup.ts"]
-}

package.json

@@ -1,8 +1,9 @@
 {
   "name": "programming-challenges",
   "version": "1.0.0",
-  "private": true,
   "description": "programming-challenges brings together lots of programming exercises and challenges to improve your algorithmic logic.",
+  "private": true,
+  "type": "module",
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -17,50 +18,50 @@
   "scripts": {
     "start": "node build/index.js",
     "build": "rimraf ./build && swc ./cli --out-dir ./build && tsc",
+    "build:dev": "swc ./src --out-dir ./build --watch",
     "lint:commit": "commitlint",
     "lint:editorconfig": "editorconfig-checker",
     "lint:markdown": "markdownlint \"**/*.md\" --dot --ignore-path \".gitignore\"",
     "lint:typescript": "eslint \"**/*.{js,jsx,ts,tsx}\"",
-    "test": "jest"
+    "test": "tap"
   },
   "dependencies": {
-    "chalk": "4.1.2",
+    "chalk": "5.0.1",
     "clipanion": "3.0.1",
-    "date-and-time": "2.1.2",
-    "execa": "5.1.1",
-    "ora": "5.4.1",
+    "date-and-time": "2.3.1",
+    "execa": "6.1.0",
+    "ora": "6.1.0",
     "replace-in-file": "6.3.2",
     "table": "6.8.0",
-    "typanion": "3.7.1",
-    "validate-npm-package-name": "3.0.0"
+    "typanion": "3.8.0",
+    "validate-npm-package-name": "4.0.0"
   },
   "devDependencies": {
-    "@commitlint/cli": "16.2.1",
+    "@commitlint/cli": "16.2.3",
     "@commitlint/config-conventional": "16.2.1",
-    "@swc/cli": "0.1.55",
-    "@swc/core": "1.2.151",
-    "@swc/jest": "0.2.20",
+    "@swc/cli": "0.1.57",
+    "@swc/core": "1.2.171",
+    "@types/sinon": "10.0.11",
+    "@types/tap": "15.0.6",
     "@types/date-and-time": "0.13.0",
-    "@types/jest": "27.4.1",
     "@types/mock-fs": "4.13.1",
     "@types/ms": "0.7.31",
-    "@types/node": "17.0.21",
+    "@types/node": "17.0.25",
     "@types/validate-npm-package-name": "3.0.3",
-    "@typescript-eslint/eslint-plugin": "5.14.0",
+    "@typescript-eslint/eslint-plugin": "5.20.0",
     "editorconfig-checker": "4.0.2",
-    "eslint": "8.10.0",
-    "eslint-config-conventions": "1.1.0",
-    "eslint-plugin-import": "2.25.4",
+    "eslint": "8.14.0",
+    "eslint-config-conventions": "2.0.0",
+    "eslint-plugin-import": "2.26.0",
     "eslint-plugin-promise": "6.0.0",
-    "eslint-plugin-unicorn": "41.0.0",
+    "eslint-plugin-unicorn": "42.0.0",
     "get-stream": "6.0.1",
-    "jest": "27.5.1",
-    "jest-mock-extended": "2.0.4",
-    "jest-ts-webcompat-resolver": "1.0.0",
     "markdownlint-cli": "0.31.1",
     "mock-fs": "5.1.2",
     "ms": "2.1.3",
     "rimraf": "3.0.2",
-    "typescript": "4.6.2"
+    "sinon": "13.0.2",
+    "tap": "16.0.1",
+    "typescript": "4.6.3"
   }
 }

templates/docker/c/Dockerfile

@@ -1,4 +1,7 @@
-FROM gcc:11.2.0
-COPY ./ ./
-RUN gcc -Wall -Wextra -Werror *.c --output=solution
-CMD ["./solution"]
+FROM gcc:11.3.0
+
+WORKDIR /usr/app
+COPY ./ /usr/app
+RUN gcc ./*.c* -o solution.exe -Wall -Wextra -Wfloat-equal -Wundef -Werror -std=c17 -pedantic -pedantic-errors
+
+CMD ["./solution.exe"]

templates/docker/cpp/Dockerfile

@@ -1,4 +1,7 @@
-FROM gcc:11.2.0
-COPY ./ ./
-RUN g++ solution.cpp --output=solution
-CMD ["./solution"]
+FROM gcc:11.3.0
+
+WORKDIR /usr/app
+COPY ./ /usr/app
+RUN g++ ./*.cpp* -o solution.exe -Wall -Wextra -Wfloat-equal -Wundef -Werror -std=c++17 -pedantic -pedantic-errors
+
+CMD ["./solution.exe"]

templates/docker/cs/Dockerfile

@@ -1,5 +1,7 @@
 FROM mono:6.12.0
+
 WORKDIR /usr/src/app
 COPY ./ ./
 RUN mcs ./Solution.cs -out:Solution.exe
+
 ENTRYPOINT ["mono", "./Solution.exe"]

templates/docker/dart/Dockerfile

@@ -1,3 +1,6 @@
-FROM dart:2.16.1
-COPY ./ ./
+FROM dart:2.16.2
+
+WORKDIR /usr/app
+COPY ./ /usr/app
+
 CMD ["dart", "run", "solution.dart"]

templates/docker/java/Dockerfile

@@ -1,4 +1,7 @@
 FROM openjdk:17
-COPY ./ ./
+
+WORKDIR /usr/app
+COPY ./ /usr/app
 RUN javac Solution.java
+
 CMD ["java", "Solution"]

templates/docker/javascript/Dockerfile

@@ -1,3 +1,6 @@
-FROM node:16.14.0
-COPY ./ ./
+FROM node:16.14.2
+
+WORKDIR /usr/app
+COPY ./ /usr/app
+
 CMD ["node", "solution.js"]

templates/docker/python/Dockerfile

@@ -1,3 +1,6 @@
-FROM python:3.10.0
-COPY ./ ./
+FROM pypy:3.9-7
+
+WORKDIR /usr/app
+COPY ./ /usr/app
+
 CMD ["python", "solution.py"]

templates/docker/rust/Dockerfile

@@ -1,4 +1,7 @@
-FROM rust:1.59.0
-COPY ./ ./
+FROM rust:1.60.0
+
+WORKDIR /usr/app
+COPY ./ /usr/app
 RUN rustc solution.rs
+
 CMD ["./solution"]

templates/docker/typescript/Dockerfile

@@ -1,8 +1,7 @@
-FROM node:16.14.0
+FROM node:16.14.2
 
 WORKDIR /usr/app
 COPY ./ /usr/app
-RUN npm install
-RUN npm run build
+RUN npm install && npm run build
 
 CMD ["node", "build/solution.js"]

templates/solution/cpp/solution.cpp

@@ -1,9 +1,10 @@
+#include <cstdlib>
 #include <iostream>
 #include <string>
 
 int main() {
-  for (std::string line; std::getline(std::cin, line);) {
-    std::cout << "Hello, " + line + "!" << std::endl;
-  }
-  return 0;
+  std::string line;
+  std::getline(std::cin, line);
+  std::cout << "Hello, " + line + "!\n";
+  return EXIT_SUCCESS;
 }

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "target": "ESNext",
-    "module": "commonjs",
+    "module": "ESNext",
     "lib": ["ESNext"],
     "moduleResolution": "node",
     "outDir": "./build",