Find a couple of `key` - `value` within an object. Recursive.

findFlatByKey.js

const findFlatByKey = (choosenKey, choosenValue) => (ogg) => {
    let found = false;
    
    const step = (object, prev, currentDepth) => {
        currentDepth = currentDepth || 1
        Object.keys(object).forEach((key) => {
          const value = object[key]
          const isarray = Array.isArray(value)
          const type = Object.prototype.toString.call(value)
          const isobject = (
            type === '[object Object]' ||
            type === '[object Array]'
          )

          const newKey = prev
            ? `${prev}.${key}`
            : key

          if (object[choosenKey] === choosenValue) {
            found = true;
            return;
          }

          if (!isarray && isobject && Object.keys(value).length) {
            return step(value, newKey, currentDepth + 1)
          }
        })

    }

    step(ogg);

    return found;
}