Method declareTypeMetadata

src/type-manager.ts:477–507

* Declares type metadata for provided type function based on general configuration. * * @param {TypeFn } typeFn Type function. * @param {TypeOptions } typeOptions Type options. * * @returns {TypeMetadata } Type metadata.

(typeFn: TypeFn<TObject>, typeOptions?: TypeOptions<TObject>)

     * @returns {TypeMetadata<TObject>} Type metadata.
     */
    private declareTypeMetadata<TObject>(typeFn: TypeFn<TObject>, typeOptions?: TypeOptions<TObject>): TypeMetadata<TObject>
    {
        let typeOptionsMap = this.typeManagerOptions.typeOptionsMap;

        if (typeOptionsMap === undefined)
        {
            typeOptionsMap = new Map<TypeFn<any>, TypeOptions<any>>();

            this.typeManagerOptions.typeOptionsMap = this.constructTypeOptionsMap(typeOptionsMap);
        }

        let mapTypeOptions = typeOptionsMap.get(typeFn);

        if (mapTypeOptions === undefined)
        {
            mapTypeOptions = typeOptions ?? {};

            typeOptionsMap.set(typeFn, mapTypeOptions);
        }

        const typeFnMap = this.typeFnMap;
        const typeMetadataSet = this.typeMetadataSet;
        const symbol = this.symbol;
        const parentPrototype = Object.getPrototypeOf(typeFn.prototype) ?? {};
        const parentTypeMetadata = parentPrototype[symbol];
        const typeMetadata = new TypeMetadata(this, typeFnMap, typeMetadataSet, typeFn, mapTypeOptions, parentTypeMetadata);

        typeMetadataSet.add(typeMetadata);

        return typeMetadata;
    }

    /**
     * Extracts type metadata from provided type function in static context.