moveImmutableProperties.js•1.26 kB
'use strict';
const get = require('../get');
/**
* Given an update, move all $set on immutable properties to $setOnInsert.
* This should only be called for upserts, because $setOnInsert bypasses the
* strictness check for immutable properties.
*/
module.exports = function moveImmutableProperties(schema, update, ctx) {
if (update == null) {
return;
}
const keys = Object.keys(update);
for (const key of keys) {
const isDollarKey = key.startsWith('$');
if (key === '$set') {
const updatedPaths = Object.keys(update[key]);
for (const path of updatedPaths) {
_walkUpdatePath(schema, update[key], path, update, ctx);
}
} else if (!isDollarKey) {
_walkUpdatePath(schema, update, key, update, ctx);
}
}
};
function _walkUpdatePath(schema, op, path, update, ctx) {
const schematype = schema.path(path);
if (schematype == null) {
return;
}
let immutable = get(schematype, 'options.immutable', null);
if (immutable == null) {
return;
}
if (typeof immutable === 'function') {
immutable = immutable.call(ctx, ctx);
}
if (!immutable) {
return;
}
update.$setOnInsert = update.$setOnInsert || {};
update.$setOnInsert[path] = op[path];
delete op[path];
}