Method resolveTypeMetadataUsingAlias

src/metadata.ts:130–144

* Resolves type metadata using alias. * * @param {TypeArgument } typeArgument Type argument. * * @returns {TypeMetadata } Type metadata resolved using alias.

(typeArgument: TypeArgument<any>)

     * @returns {TypeMetadata<any>} Type metadata resolved using alias.
     */
    private resolveTypeMetadataUsingAlias(typeArgument: TypeArgument<any>): TypeMetadata<any>
    {
        const alias = typeArgument as Alias;
        const typeFn = this.typeFnMap.get(alias);

        if (typeFn === undefined)
        {
            this.typeManager.logger.error('Metadata', 'Cannot resolve type metadata for provided type alias.', alias);
            this.typeManager.logger.info('Metadata', 'Check if a type exists that defines such an alias. In the meantime, metadata for an unknown type will be used.');

            return this.resolveTypeMetadataUsingUnknownTypeFn();
        }

        return this.typeManager.extractTypeMetadata(typeFn);
    }

    /**
     * Resolves type metadata using unknown type function.