Compiling Typescript has no effect

As I work on developing a REST API using Express in Typescript, I have encountered a perplexing issue with the Typescript Compiler. When I compile the project locally on my Windows 10 machine using tsc -b, everything goes smoothly. However, when I attempt the same command on an Amazon EC2 instance with the exact same project, nothing seems to happen. There are no visible errors and the console remains inactive until I terminate the process with CTRL+C. Interestingly, I can compile individual files located in the root of the project by running tsc index.ts, but only if they are positioned directly in the root folder. My tsconfig setup is as follows:

{
  "compilerOptions": {
    "lib": [
      "es5",
      "es6"
    ],
    "target": "es5",
    "module": "commonjs",
    "moduleResolution": "node",
    "outDir": "./build",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "sourceMap": true,
    "esModuleInterop": true
  }
}

The project structure consists of:

package.json
package-lock.json
tsconfig.json
src/
  app.ts
  index.ts
  routes/
  entity/ 

The npm version on the Amazon EC2 Instance is 7.8.0.

The Typescript version on the Amazon EC2 Instance is 4.2.4.

Answer №1

Upon further investigation, it was discovered that the issue at hand was caused by the limited memory available to the EC2 instance. The node command was utilizing an excessive amount of memory, resulting in the system becoming unresponsive. Further research led to the discovery of a flag in newer versions of node (v8.0+) that allows for limiting the RAM usage. More information on this can be found here.

In summary: The Typescript compilation process was consuming too much memory, but a solution exists in the form of restricting the amount of RAM a node process can utilize:

npx --max-old-space-size=250 tsc -b

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