@citrineos/base/dist/esm/interfaces/modules/AsHandler.js

The base module for OCPP v2.0.1 including all interfaces. This module is not intended to be used directly, but rather as a dependency for other modules.

// Copyright (c) 2023 S44, LLC
// Copyright Contributors to the CitrineOS Project
//
// SPDX-License-Identifier: Apache 2.0
/**
 * Decorators for module components.
 */
export const AS_HANDLER_METADATA = 'AS_HANDLER_METADATA';
/**
 * Decorator function for OCPP modules to expose methods within module classes as handlers for given call action.
 *
 * @param {CallAction} action - the call action parameter
 * @return {PropertyDescriptor} - the property descriptor
 */
export const AsHandler = function (protocol, action) {
    return (target, propertyKey, descriptor) => {
        if (!Reflect.hasMetadata(AS_HANDLER_METADATA, target.constructor)) {
            Reflect.defineMetadata(AS_HANDLER_METADATA, [], target.constructor);
        }
        const handlers = Reflect.getMetadata(AS_HANDLER_METADATA, target.constructor);
        handlers.push({
            action: action,
            protocol: protocol,
            methodName: propertyKey,
            method: descriptor.value,
        });
        Reflect.defineMetadata(AS_HANDLER_METADATA, handlers, target.constructor);
        return descriptor;
    };
};
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