Simple Chat Room in NodeJS, expressJS and mongoDB in Docker Swarm
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'use strict';
const getDiscriminatorByValue = require('./getDiscriminatorByValue');
/*!
* Find the correct constructor, taking into account discriminators
*/
module.exports = function getConstructor(Constructor, value) {
const discriminatorKey = Constructor.schema.options.discriminatorKey;
if (value != null &&
Constructor.discriminators &&
value[discriminatorKey] != null) {
if (Constructor.discriminators[value[discriminatorKey]]) {
Constructor = Constructor.discriminators[value[discriminatorKey]];
} else {
const constructorByValue = getDiscriminatorByValue(Constructor, value[discriminatorKey]);
if (constructorByValue) {
Constructor = constructorByValue;
}
}
}
return Constructor;
};