index.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var component_1 = require("../common/component");
var utils_1 = require("./utils");
function simpleTick(fn) {
return setTimeout(fn, 30);
}
(0, component_1.VantComponent)({
props: {
useSlot: Boolean,
millisecond: Boolean,
time: {
type: Number,
observer: 'reset',
},
format: {
type: String,
value: 'HH:mm:ss',
},
autoStart: {
type: Boolean,
value: true,
},
},
data: {
timeData: (0, utils_1.parseTimeData)(0),
formattedTime: '0',
},
destroyed: function () {
clearTimeout(this.tid);
this.tid = null;
},
methods: {
// 开始
start: function () {
if (this.counting) {
return;
}
this.counting = true;
this.endTime = Date.now() + this.remain;
this.tick();
},
// 暂停
pause: function () {
this.counting = false;
clearTimeout(this.tid);
},
// 重置
reset: function () {
this.pause();
this.remain = this.data.time;
this.setRemain(this.remain);
if (this.data.autoStart) {
this.start();
}
},
tick: function () {
if (this.data.millisecond) {
this.microTick();
}
else {
this.macroTick();
}
},
microTick: function () {
var _this = this;
this.tid = simpleTick(function () {
_this.setRemain(_this.getRemain());
if (_this.remain !== 0) {
_this.microTick();
}
});
},
macroTick: function () {
var _this = this;
this.tid = simpleTick(function () {
var remain = _this.getRemain();
if (!(0, utils_1.isSameSecond)(remain, _this.remain) || remain === 0) {
_this.setRemain(remain);
}
if (_this.remain !== 0) {
_this.macroTick();
}
});
},
getRemain: function () {
return Math.max(this.endTime - Date.now(), 0);
},
setRemain: function (remain) {
this.remain = remain;
var timeData = (0, utils_1.parseTimeData)(remain);
if (this.data.useSlot) {
this.$emit('change', timeData);
}
this.setData({
formattedTime: (0, utils_1.parseFormat)(this.data.format, timeData),
});
if (remain === 0) {
this.pause();
this.$emit('finish');
}
},
},
});