zoujiandong 360c1bb977 视频
2024-01-12 09:38:24 +08:00

50 lines
2.1 KiB
JavaScript

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.avoidRepeatedCall = void 0;
const index_1 = require("../../const/index");
/**
* 装饰器:阻止函数重复调用
* @export
* @param {Object} options 入参
* @param {Function} options.fn 函数
* @param {Object} options.context 上下文对象
* @param {String} options.name 函数名
* @returns {Function} 封装后的函数
*/
function avoidRepeatedCall() {
return function (target, name, descriptor) {
const oldFn = descriptor.value;
const isCallingSet = new Set();
descriptor.value = function (...args) {
return __awaiter(this, void 0, void 0, function* () {
if (isCallingSet.has(this)) {
console.warn((`${index_1.NAME.PREFIX}previous ${name}() is ongoing, please avoid repeated calls`));
// throw new Error(`previous ${name}() is ongoing, please avoid repeated calls`);
return;
}
try {
isCallingSet.add(this);
const result = yield oldFn.apply(this, args);
isCallingSet.delete(this);
return result;
}
catch (error) {
isCallingSet.delete(this);
throw error;
}
});
};
return descriptor;
};
}
exports.avoidRepeatedCall = avoidRepeatedCall;