updeep-remeda/lib/updateIn.js
2015-09-11 22:48:10 -07:00

29 lines
711 B
JavaScript

import curry from './util/curry';
import update from './update';
import map from './map';
import splitPath from './util/splitPath';
const wildcard = '*';
function reducePath(acc, key) {
if (key === wildcard) {
return value =>
Object.prototype.hasOwnProperty.call(value, wildcard) ?
// If we actually have wildcard as a property, update that
update({ [wildcard]: acc }, value) :
// Otherwise map over all properties
map(acc, value);
}
return { [key]: acc };
}
function updateIn(path, value, object) {
const parts = splitPath(path);
const updates = parts.reduceRight(reducePath, value);
return update(updates, object);
}
export default curry(updateIn);