type-initializr/lib/utils/MetadataUtils.js

Uma ferramenta para instanciar classes existentes baseasas em modelos com valores padrões

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
require("reflect-metadata");
exports.METADATA_KEY = Symbol('init');
class MetadataUtils {
    static registerProperty(target, propertyKey, className) {
        let properties = Reflect.getMetadata(exports.METADATA_KEY, target);
        if (properties) {
            properties.push({ context: target.constructor.name, key: propertyKey, type: className, value: null });
        }
        else {
            properties = [{ context: target.constructor.name, key: propertyKey, type: className, value: null }];
            Reflect.defineMetadata(exports.METADATA_KEY, properties, target);
        }
    }
    static getDecoratedProperties(origin) {
        const properties = Reflect.getMetadata(exports.METADATA_KEY, origin);
        properties === null || properties === void 0 ? void 0 : properties.forEach(p => (p.value = origin[p.key]));
        return properties !== null && properties !== void 0 ? properties : [];
    }
}
exports.MetadataUtils = MetadataUtils;