@dipscope/type-manager/dist/es2015/reference-handlers/plain-reference-handler.js

Transform JSON strings or plain objects into JS class instances.

export class PlainReferenceHandler {
    define(serializerContext, referenceKey, referenceValueGetter) {
        const referenceMap = serializerContext.referenceMap;
        const referenceValue = referenceMap.get(referenceKey);
        if (referenceValue === undefined) {
            referenceMap.set(referenceKey, referenceKey);
            const value = referenceValueGetter();
            referenceMap.set(referenceKey, value);
            return value;
        }
        if (referenceValue === referenceKey) {
            return undefined;
        }
        return referenceValue;
    }
    restore(serializerContext, referenceKey, referenceValueGetter) {
        const referenceMap = serializerContext.referenceMap;
        const referenceValue = referenceMap.get(referenceKey);
        if (referenceValue === undefined) {
            referenceMap.set(referenceKey, referenceKey);
            const value = referenceValueGetter();
            referenceMap.set(referenceKey, value);
            return value;
        }
        if (referenceValue === referenceKey) {
            return undefined;
        }
        return referenceValue;
    }
}
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