@nestjs/class-transformer/esm2015/decorators/expose.decorator.js

Fork of the class-transformer package. Proper decorator-based transformation / serialization / deserialization of plain javascript objects to class constructors

import { defaultMetadataStorage } from '../storage';
/**
 * Marks the given class or property as included. By default the property is included in both
 * constructorToPlain and plainToConstructor transformations. It can be limited to only one direction
 * via using the `toPlainOnly` or `toClassOnly` option.
 *
 * Can be applied to class definitions and properties.
 */
export function Expose(options = {}) {
    /**
     * NOTE: The `propertyName` property must be marked as optional because
     * this decorator used both as a class and a property decorator and the
     * Typescript compiler will freak out if we make it mandatory as a class
     * decorator only receives one parameter.
     */
    return function (object, propertyName) {
        defaultMetadataStorage.addExposeMetadata({
            target: object instanceof Function ? object : object.constructor,
            propertyName: propertyName,
            options,
        });
    };
}
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