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25 lines
775 B
25 lines
775 B
'use strict';
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const getDiscriminatorByValue = require('./getDiscriminatorByValue');
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/*!
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* Find the correct constructor, taking into account discriminators
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*/
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module.exports = function getConstructor(Constructor, value) {
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const discriminatorKey = Constructor.schema.options.discriminatorKey;
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if (value != null &&
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Constructor.discriminators &&
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value[discriminatorKey] != null) {
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if (Constructor.discriminators[value[discriminatorKey]]) {
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Constructor = Constructor.discriminators[value[discriminatorKey]];
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} else {
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const constructorByValue = getDiscriminatorByValue(Constructor.discriminators, value[discriminatorKey]);
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if (constructorByValue) {
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Constructor = constructorByValue;
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}
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}
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}
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return Constructor;
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}; |