You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
845 B
JavaScript
34 lines
845 B
JavaScript
11 months ago
|
'use strict';
|
||
|
|
|
||
|
|
const _modifiedPaths = require('../common').modifiedPaths;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Given an update document with potential update operators (`$set`, etc.)
|
||
|
|
* returns an object whose keys are the directly modified paths.
|
||
|
|
*
|
||
|
|
* If there are any top-level keys that don't start with `$`, we assume those
|
||
|
|
* will get wrapped in a `$set`. The Mongoose Query is responsible for wrapping
|
||
|
|
* top-level keys in `$set`.
|
||
|
|
*
|
||
|
|
* @param {Object} update
|
||
|
|
* @return {Object} modified
|
||
|
|
*/
|
||
|
|
|
||
|
|
module.exports = function modifiedPaths(update) {
|
||
|
|
const keys = Object.keys(update);
|
||
|
|
const res = {};
|
||
|
|
|
||
|
|
const withoutDollarKeys = {};
|
||
|
|
for (const key of keys) {
|
||
|
|
if (key.startsWith('$')) {
|
||
|
|
_modifiedPaths(update[key], '', res);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
withoutDollarKeys[key] = update[key];
|
||
|
|
}
|
||
|
|
|
||
|
|
_modifiedPaths(withoutDollarKeys, '', res);
|
||
|
|
|
||
|
|
return res;
|
||
|
|
};
|