ion-cli/utils/JSON.js

import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';
import { dirname } from 'path';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);


export function getJSON(key) {
    const p = path.resolve(__dirname, "../config.json");
    const data = fs.readFileSync(p, 'utf8');
    
    const obj = JSON.parse(data);
    return obj[key];
}


export function setJSON(key, val) {
    return new Promise((resolve, reject) => {
        const p = path.resolve(__dirname, "../config.json");
        const data = fs.readFileSync(p, 'utf8');
        
        var obj = JSON.parse(data); //now it an object
        obj[key] = val; //add some data
        const json = JSON.stringify(obj); //convert it back to json
        fs.writeFile(p, json, (err) => {
            if (err) { return reject(err); }
            resolve();
        }); // write it back
    });
}