pre-install.js

#!/usr/bin/env node

const fs = require("fs");
const path = require("path");
const { exec } = require("child_process");
const { homedir } = require("os");

const cargoDir = path.join(homedir(), ".cargo");

// check if directory exists
if (fs.existsSync(cargoDir)) {
  //   console.log("Cargo found.");
} else {
  const setCargo = 'PATH="/$HOME/.cargo/bin:${PATH}"';
  console.log("Installing deps [cargo].");

  exec(
    `curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && ${setCargo}`,
    (error) => {
      if (error) {
        console.log(
          "curl failed! Curl may not be installed on the OS. View https://curl.se/download.html to install."
        );
        console.log(error);
      }
    }
  );
}
    
const features = process.env.npm_config_features ? `--features ${process.env.npm_config_features.replace(",", " ")}` : ""; 

console.log(`Installing and compiling cmdo-gen 0.2.1 ${features} ...`);
exec(`cargo install cmdo-gen --vers 0.2.1 ${features}`, (error, stdout, stderr) => {
  console.log(stdout);
  if (error || stderr) {
    console.log(error || stderr);
  } else {
    console.log("install finished!");
  }
});