preinstall.js

const fs = require("fs");
const { join } = require("path");

if (process.env.CI) {
    const filename = join(__dirname, "package.json");
    const packageJson = require(filename);

    const plattformPackageName = `@nut-tree/opencv-build-${process.platform}`;
    packageJson.name = plattformPackageName;

    try {
        fs.writeFileSync(filename, JSON.stringify(packageJson, null, 2));
    } catch (err) {
        console.log(err);
        process.exit(-1);
    }
    console.log(`Patched package name to '${plattformPackageName}'`);
}