@nestjs/common/decorators/http/header.decorator.js

Nest - modern, fast, powerful node.js web framework (@common)

import { HEADERS_METADATA } from '../../constants.js';
import { extendArrayMetadata } from '../../utils/extend-metadata.util.js';
/**
 * Request method Decorator.  Sets a response header.
 *
 * For example:
 * `@Header('Cache-Control', 'none')`
 * `@Header('Cache-Control', () => 'none')`
 *
 * @param name string to be used for header name
 * @param value string to be used for header value
 *
 * @see [Headers](https://docs.nestjs.com/controllers#headers)
 *
 * @publicApi
 */
export function Header(name, value) {
    return (target, key, descriptor) => {
        extendArrayMetadata(HEADERS_METADATA, [{ name, value }], descriptor.value);
        return descriptor;
    };
}