JS class ParseJSon

parseJson.js

'use strict';

class ParseJson {
    obj = {}
    result = []

    constructor(obj) {
        this.obj = JSON.parse(obj)
    }

    parseObject() {
        for (let value of this.inObject(this.obj, ''))
            this.result[this.result.length] = value

        return this.result
    }

    *inObject(obj, path) {
        for (let item in obj) {
            if (!Array.isArray(obj[item])) {
                yield* this.inObject(obj[item], path + '.' + item)
            } else {
                yield path + '.' + item
            }
        }
    }
}

const input = '{"bookkeeping":{"contacts": {"pones":[123456789,234567890,345678901],"emails":["[email protected]"]},"staff": {"total":2,"employees":{"full_time":[{"name":"Sonoo","email":"[email protected]","salary":56000,"married":true},{"name":"Ram","email":"[email protected]","salary":65000,"married":true},{"name":"Bob","email":"[email protected]","salary":42000,"married":true}]}}}}'
let parseJson = new ParseJson(input)
parseJson.parseObject()

console.log(parseJson.result)