@dataunlocker/defender/bin/utils/env.js

DataUnlocker core module that protects your web app's analytics.

import { promises as fs } from 'fs';
import { dirname, join, resolve } from 'path';
import { fileURLToPath } from 'url';
let dataunlockerJsonFilePath;
const getEnvFromDataUnlockerFile = async (name) => {
    if (!dataunlockerJsonFilePath) {
        const thisPackageRootDir = resolve(dirname(fileURLToPath(import.meta.url)), '../..');
        let dir = dirname(thisPackageRootDir);
        while (!(await fs.stat(join(dir, 'package.json')).then(() => true, () => false))) {
            const parent = dirname(dir);
            if (parent === dir)
                return; // reached root
            dir = parent;
        }
        dataunlockerJsonFilePath = join(dir, '.dataunlocker.json');
    }
    const data = await fs
        .readFile(dataunlockerJsonFilePath)
        .catch(() => undefined);
    if (!data) {
        return;
    }
    try {
        const json = JSON.parse(data.toString());
        return json[name];
    }
    catch (e) {
        throw new Error(`Can't parse json from ${dataunlockerJsonFilePath}: ` + e);
    }
};
export const getEnv = async (name) => process.env[name] ??
    process.env[`npm_config_${name.toLowerCase()}`] ??
    (await getEnvFromDataUnlockerFile(name)) ??
    '';