refactor: no duplicate of package.json in solutions

challenges/first-non-repeating-character/solutions/javascript/function/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

challenges/hello-world/solutions/javascript/function/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

challenges/is-palindrome/solutions/javascript/function/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

challenges/reverse-polish-notation/solutions/javascript/function/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

challenges/sorting-algorithms/solutions/javascript/bubble-sort/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

challenges/sorting-algorithms/solutions/javascript/function/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

challenges/sorting-algorithms/solutions/javascript/insertion-sort/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

challenges/sorting-algorithms/solutions/javascript/merge-sort/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}

cli/services/Docker.ts

@@ -3,6 +3,7 @@ import ora from 'ora'
 
 class Docker {
   static CONTAINER_TAG = 'programming-challenges'
+  static SIGSEGV_EXIT_CODE = 139
 
   public async build (): Promise<void> {
     const loader = ora('Building the Docker image').start()
@@ -22,11 +23,18 @@ class Docker {
         input
       }
     )
-    const { stdout, stderr } = await subprocess
-    if (stderr.length !== 0) {
-      throw new Error(stderr)
+    try {
+      const { stdout, stderr } = await subprocess
+      if (stderr.length !== 0) {
+        throw new Error(stderr)
+      }
+      return stdout
+    } catch (error: any) {
+      if (error.exitCode === Docker.SIGSEGV_EXIT_CODE) {
+        throw new Error('Docker run failed: SIGSEGV indicates a segmentation fault (attempts to access a memory location that it\'s not allowed to access).')
+      }
+      throw new Error(`Docker run failed: ${error.message as string}`)
     }
-    return stdout
   }
 }
 

templates/docker/typescript/Dockerfile

@@ -1,4 +1,8 @@
 FROM node:16.13.1
-RUN npm install --global ts-node typescript @types/node
-COPY ./ ./
-CMD ["ts-node", "solution.ts"]
+
+WORKDIR /usr/app
+COPY ./ /usr/app
+RUN npm install
+RUN npm run build
+
+CMD ["node", "build/solution.js"]

templates/docker/typescript/package.json

@@ -0,0 +1,10 @@
+{
+  "type": "module",
+  "scripts": {
+    "build": "tsc"
+  },
+  "devDependencies": {
+    "@types/node": "latest",
+    "typescript": "latest"
+  }
+}

templates/docker/typescript/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "ESNext",
+    "lib": ["ESNext"],
+    "moduleResolution": "node",
+    "outDir": "./build",
+    "rootDir": "./",
+    "strict": true,
+    "skipLibCheck": true,
+    "esModuleInterop": true
+  }
+}