@wocker/core/lib/decorators/Optional.js

Core of the Wocker

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Optional = void 0;
const env_1 = require("../env");
const Optional = () => {
    return (target, propertyKey, parameterIndex) => {
        const metadata = propertyKey
            ? Reflect.getMetadata(env_1.ARGS_METADATA, target.constructor, propertyKey) || {}
            : Reflect.getMetadata(env_1.ARGS_METADATA, target) || {};
        if (!metadata[parameterIndex]) {
            metadata[parameterIndex] = {};
        }
        metadata[parameterIndex] = Object.assign(Object.assign({}, metadata[parameterIndex]), { optional: true });
        if (propertyKey) {
            Reflect.defineMetadata(env_1.ARGS_METADATA, metadata, target.constructor, propertyKey);
        }
        else {
            Reflect.defineMetadata(env_1.ARGS_METADATA, metadata, target);
        }
    };
};
exports.Optional = Optional;