Ocelot-Social/backend/src/helpers/walkRecursive.ts
2023-06-12 14:07:07 +02:00

31 lines
1.1 KiB
TypeScript

/**
* iterate through all fields and replace it with the callback result
* @property data Array
* @property fields Array
* @property fieldName String
* @property callback Function
*/
function walkRecursive(data, fields, fieldName, callback, _key?) {
if (!Array.isArray(fields)) {
throw new Error('please provide an fields array for the walkRecursive helper')
}
if (data && typeof data === 'string' && fields.includes(_key)) {
// well we found what we searched for, lets replace the value with our callback result
const key = _key.split('!')
if (key.length === 1 || key[1] !== fieldName) data = callback(data, key[0])
} else if (data && Array.isArray(data)) {
// go into the rabbit hole and dig through that array
data.forEach((res, index) => {
data[index] = walkRecursive(data[index], fields, fieldName, callback, index)
})
} else if (data && typeof data === 'object') {
// lets get some keys and stir them
Object.keys(data).forEach((k) => {
data[k] = walkRecursive(data[k], fields, fieldName, callback, k)
})
}
return data
}
export default walkRecursive