@thatcompany/ts-tool/lib/modules/reflector/annotation/Event.js

基于TypeScript编写的工具库

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventListener = EventListener;
const METADATA_1 = require("./METADATA");
const uuid_1 = require("../../uuid");
/**
 * 方法注解，用于标记一个方法为事件监听器
 * 打上Reflect后方法原封不动
 * @param id 事件监听器的唯一标识符 默认生成一个UUID
 * @param sort 事件监听器的排序，用于控制事件监听器的执行顺序，数字越小越先执行
 * @constructor
 */
function EventListener(id = uuid_1.UUID.generate(), sort = 0) {
    return function (target, propertyKey, descriptor) {
        Reflect.defineMetadata(METADATA_1.METADATA.EVENT.LISTENER, true, target, propertyKey);
        Reflect.defineMetadata(METADATA_1.METADATA.EVENT.IDENTIFIER, id, target, propertyKey);
        Reflect.defineMetadata(METADATA_1.METADATA.EVENT.SORT, sort, target, propertyKey);
        return descriptor;
    };
}
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