ascor/lib/cjs/date/Countdown.js

一些常用的简单的js工具

"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());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Countdown = void 0;
var index_1 = require("../is/index");
var delay_1 = require("./delay");
/**
 * 倒计时，new Countdown(10,1)  10秒倒计时，以1秒的间隔倒数
 */
var Countdown = /** @class */ (function () {
    /**
     * 倒计时
     * @param {Number} s 单位秒，需要计时的总秒数
     * @param {Number} step 倒计时间隔 （秒）
     */
    function Countdown(s, step) {
        if (step === void 0) { step = 1; }
        if (!index_1.isNumber(s)) {
            throw new Error("倒计时时间必须为数值");
        }
        if (!index_1.isNumber(step)) {
            throw new Error("时间间隔必须为数值");
        }
        this.countBak = this.count = s;
        this.stepBak = this.step = step;
    }
    /**
     * 开始倒计时
     * @param {Function} fn 回调函数
     */
    Countdown.prototype.run = function (fn) {
        return __awaiter(this, void 0, void 0, function () {
            var error_1;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        _a.trys.push([0, 4, , 5]);
                        if (!index_1.isFunction(fn)) return [3 /*break*/, 3];
                        return [4 /*yield*/, fn(this.count)];
                    case 1:
                        if (!((_a.sent()) !== false)) return [3 /*break*/, 3];
                        return [4 /*yield*/, delay_1.delay(this.step * 1000)];
                    case 2:
                        _a.sent();
                        if (this.count > 0) {
                            this.count -= this.step;
                            this.run(fn);
                        }
                        else {
                            this.reset();
                        }
                        _a.label = 3;
                    case 3: return [3 /*break*/, 5];
                    case 4:
                        error_1 = _a.sent();
                        console.error(error_1);
                        return [3 /*break*/, 5];
                    case 5: return [2 /*return*/];
                }
            });
        });
    };
    /**
     * 重置秒数
     * @param {Number} s 秒数，可选 ，不传默认为创建实例时的时间
     * @param {Number} step 时间间隔（秒），可选 ，不传默认为创建实例时的时间间隔
     */
    Countdown.prototype.reset = function (s, step) {
        if (s === void 0) { s = this.countBak; }
        if (step === void 0) { step = this.stepBak; }
        if (!index_1.isNumber(s)) {
            s = this.countBak;
        }
        if (!index_1.isNumber(step)) {
            step = this.stepBak;
        }
        this.countBak = this.count = s;
        this.stepBak = this.step = step;
    };
    return Countdown;
}());
exports.Countdown = Countdown;