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Local development

To run the code for your challenge locally, you’ll need node installed. Our test runners use Node 18 (as of April 2024). The script for your challenge (like ./your_grep.sh) will automatically compile your code using node before executing it. It’ll look something like this: 
#!/bin/sh

exec node app/main.js "$@"

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File structure

  • The files for your solution are placed in the app/ directory.
  • app/main.js contains the main() function, which is what the test runner executes.

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Adding more files

You can add more files and directories to app/. The test runner will include them when compiling your code. For example, if you add a file at app/foo.js, you could use it like so: 
function foo() {
    console.log('Hello from foo!');
}

function bar() {
    console.log('Hello from bar!');
}

module.exports = { foo, bar };
We use the CommonJS syntax for importing and exporting of modules.

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Adding dependencies

You can add dependencies to your project using npm.
Instructions for adding depedencies will be documented soon.