oak-general-business/lib/miniprogram_npm/tdesign/count-down/count-down.js

111 lines
3.2 KiB
JavaScript

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { SuperComponent, wxComponent } from '../common/src/index';
import config from '../common/config';
import props from './props';
import { isSameSecond, parseFormat, parseTimeData } from './utils';
const { prefix } = config;
const name = `${prefix}-count-down`;
const simpleTick = function (fn) {
return setTimeout(fn, 30);
};
let CountDown = class CountDown extends SuperComponent {
constructor() {
super(...arguments);
this.externalClasses = ['t-class'];
this.properties = props;
this.observers = {
time() {
this.reset();
},
};
this.data = {
classPrefix: name,
timeData: parseTimeData(0),
formattedTime: '0',
};
this.tid = null;
}
detached() {
this.destroyed();
}
destroyed() {
if (this.tid) {
clearTimeout(this.tid);
this.tid = null;
}
}
start() {
if (this.counting) {
return;
}
this.counting = true;
this.endTime = Date.now() + this.remain;
this.tick();
}
pause() {
this.counting = false;
this.tid && clearTimeout(this.tid);
}
reset() {
this.pause();
this.remain = this.properties.time;
this.setRemain(this.remain);
if (this.properties.autoStart) {
this.start();
}
}
tick() {
if (this.properties.millisecond) {
this.microTick();
}
else {
this.macroTick();
}
}
microTick() {
this.tid = simpleTick(() => {
this.setRemain(this.getRemain());
if (this.remain !== 0) {
this.microTick();
}
});
}
macroTick() {
this.tid = simpleTick(() => {
const remain = this.getRemain();
if (!isSameSecond(remain, this.remain) || remain === 0) {
this.setRemain(remain);
}
if (this.remain !== 0) {
this.macroTick();
}
});
}
getRemain() {
return Math.max(this.endTime - Date.now(), 0);
}
setRemain(remain) {
this.remain = remain;
const timeData = parseTimeData(remain);
this.triggerEvent('change', timeData);
const { timeText } = parseFormat(remain, this.properties.format);
this.setData({
timeData,
formattedTime: timeText.replace(/:/g, ' : '),
});
if (remain === 0) {
this.pause();
this.triggerEvent('finish');
}
}
};
CountDown = __decorate([
wxComponent()
], CountDown);
export default CountDown;